Real Estate (General) Expert Witnesses

Jeffrey Phillip Weinstein, AIA, a California licensed Architect since 1982, with Masters Degree in Real Estate Development from USC, has been involved in the development, design and construction of office buildings, high-rise condominiums, multi-family residential podium-type projects, retail, neighborhood shopping centers and regional malls, hotels and resorts, hospitals, and schools (K-12 and University).

Expert in real estate development, government approvals, entitlements & permits, architect's standard of care, construction management, claims & defects, A/E/C agreements. Expertise includes building envelope & water intrusion, zoning & building codes, errors/omissions, destructive testing & repair, schools (DSA), hospitals (OSHPD), condominiums, commercial/retail/mixed-use projects, high-rise structures, hotels & resorts. Previous employers include Nadel and Callison Architects, Tishman Construction, Trammel Crow Company, Kaiser Permanente, and California State University.

Professional Licenses / Certifications / Affiliations:

• California Registered Architect, License #12822
• Member, American Institute of Architects, Urban Land Institute, Construction Specification Institute, and Society for Marketing Professional Services
• Member, North Santa Barbara County Board of Architectural Review

Litigation Support: Jeffrey Weinstein has been retained as an expert witness as Owner's Representative, Construction Manager, Contract Administrator, Project Manager and Architect by Developers, Builders, Institutional Owners (Hospitals & Schools), Municipalities, and Corporate Clients. Mr. Weinstein provides professional Architectural and Construction Expert Witness opinion, testimony and services on matters, such as:

Architectural Forensic Architectural Construction Management Building Code Requirements Construction Industry Standards Professional Standard of Care Design Defects, Errors & Omissions

Construction Defects & Failures Architectural Practice & Peer Review Construction Claim Evaluation Change Order Analysis & Cost Overruns Zoning Entitlements, Land-Use, and Permitting Project Delivery - Fast-Track, Design-Build, GMP Design & Construction Accident Claims

View Jeffrey P. Weinstein's Consulting Profile.

James D. Wamble, PE, RLS has over 40 years of experience as a Professional Civil Engineer and Registered Land Surveyor. During the course of his career, Mr. Wamble has worked on land planning, land surveying, or civil engineering projects in all counties of the middle and west Tennessee regions, and several counties in east Tennessee. Mr. Wamble has offered litigation support services as an expert witness in cases since 1976. In the last four years, he has testified 10 times in 7 lawsuits. These litigation cases include land planning, land surveying, and civil engineering issues. Mr. Wamble has experience with depositions, trials, hearings, and arbitrations.

Expert Witness Services Include:

Research Site Inspections Engineering Analysis Land Surveys

Survey and Civil Engineering Drawings Investigation Report Writing Exhibit Preparation

Areas of Expertise:

• Civil Engineering: Design of grading, drainage, utilities, roads, lakes, dams, detention basins, parking lots, shopping centers, subdivisions, apartments, condominiums, planned unit developments, specific plans, industrial parks, mobile home parks, mini warehouses, hotels and office building site plans; flood, drainage, and utility studies; low impact design; financial developability and constructability analysis of proposed developments; preparation of cost estimates; assisting clients in setting project budgets; designing projects to contain cost within determined project budget; construction project management, inspection, administration, and processing of contractors’ pay requests
• Land Surveying: Topographic, Route, Land, Boundary, Utilities, Aerial ground control, Engineering design, and Construction Surveys
• Land Planning: Land use/development feasibility analysis, planning and concept design of residential, commercial, industrial and municipal projects; zone change applications; planned unit development and specific plan applications; site selection consultation; and graphic presentations

View James Wamble's Consulting Profile.

Real Estate Brokerage Expert, Manager, Educator

Jane Trust Ryan has over 29 years of experience as a licensed Real Estate professional. She has served as a Real Estate Brokerage Leader, Compliance Officer, and Transaction Manager. She has over 20 years of experience training 1,000+ agents in agency, law, contracts, negotiation, disclosure, compliance, and other real estate-related topics across various brokerage models.   I have provided court room and deposition testimony.

Ms. Trust Ryan is currently licensed as a Broker in NY, NJ, and PA, with past licenses in MD, DC, and VA. She has managed offices with 100+ agents and currently serves as Broker of Record within a network of over 400 agents.

Litigation Support - As an expert witness, Ms. Trust Ryan helps clients navigate the complexities of real estate lawsuits. She specializes in providing clear, actionable insights through thorough research and expert analysis. Her goal is to equip clients with the knowledge and information they need to make informed decisions and achieve the best possible outcomes in their legal matters.

Areas of Expertise

Real Estate Standards of Care Real Estate Brokerage Management Brokerage Agreements Real Estate Contracts Agency Fiduciary Duties Compliance Disclosure

Code of Ethics Due Diligence Real Estate Education Agent Supervision Training & Recruiting Fair Housing Agent Misconduct Broker Malpractice Real Estate Fraud

Paul Chandler, MAI, has over 30 years of experience as an MAI Designated Real Estate Appraiser and CEO of Property Sciences, a national Residential and Commercial real estate appraisal company.

Both the company's residential and commercial divisions continually benefit from Mr. Chandler's background in valuation, appraisal, lender-platform technology development, and online and print media. Prior to forming Property Sciences, he was Senior Vice President of Corinthian Real Estate, where he provided financial institutions with market analysis, branching strategy and site acquisition consulting.

Litigation Support - Mr. Chandler has extensive experience presenting and defending its expert conclusions and opinions in depositions and trial testimony.  He offers support from early case assessment and discovery through final resolution, relying on real-world strategic and operational experience, strong academic and professional credentials, and extensive practical knowledge of real estate customs and practices, and damages analysis.

Areas of Expertise:

Eminent Domain Environmental Contamination Structural Defects Partnership Dissolution Bankruptcy Proceedings

Market Resistance / Stigma Damages for: Landslides Fires Floods Contamination / External Detriments

Services:

• Advice and objective analyses leading to an improved understanding of the issues involved in a case and supply expert testimony about critical issues in the litigation
• Testimony concerning industry standards, customs and practices in order to evaluate the legal liability of the parties
• Forensics analysis to ascertain the facts and determine the historic context of the disputed issues
• Computation of economic effects to provide a court with an objective measure of value and damages, if any
• Advice to counsel including the evaluation of the arguments of opposing experts, assisting with the development of lines of questioning or specific questions for use in expert or percipient witness depositions and serving as real-time advisors to counsel to evaluate the responses of deponents during live deposition testimony
• Trial support services, including jury consulting, graphic design of courtroom visuals and technology support
  

Gary H. London is a nationally recognized Real Estate Economist, Strategist, and Advisor with decades of experience guiding many of the largest private developers, investors, asset managers, and institutions through complex real estate decisions. As President of The London Group Realty Advisors, he leads a multidisciplinary practice focused on market analysis, development strategy, economic forecasting, and litigation support.

Litigation Support - For over 20 years, Mr. London has served as an expert witness in a myriad of complex real estate-related litigation, offering authoritative analysis, testimony, and strategic insight on behalf of defense and plaintiff. His services include deposition, mediation, and trial testimony as needed.

Areas of Expertise:

• Real Estate Damages - Economic damages, lost profits, project failure analysis, financial impact modeling
• Financial Feasibility and Pro Forma Analysis - Evaluation of development viability, investment feasibility, and project economics
• Market Analysis and Forecasting - Supply/demand studies, absorption analysis, pricing trends, market conditions relevant to legal disputes
• Valuation and Appraisal - Related Matters - Property valuation disputes, highest-and-best-use analysis, development value impacts
• Land Use, Entitlement and Planning Issues - Zoning conflicts, entitlement delays, regulatory impacts, development process standards
• Construction and Development Economics - Delay impacts, cost escalation, development best practices, project management standards
• Real Estate Economics and Financial Analysis - Broader economic interpretation, financial modeling, and industry-standard methodologies

The State of San Diego Real Estate

Gary H. London is an instructor at The Burnham-Moores Center for Real Estate at the University of San Diego School of Business. He also served for 24 years as a lecturer in real estate economics and development at the University of California, San Diego, where he taught graduate-level courses grounded in applied market analysis and feasibility. Mr. London also taught at Arizona State University’s W.P. Carey School of Business, contributing to its nationally recognized real estate programs. Previously, he was West Region Director of Real Estate Consulting for Price Waterhouse and Executive Director of the Goodkin Group.

Mr. London regularly speaks to business and industry organizations. He's also a frequent writer for the San Diego Business Journal and the San Diego Union Tribune.

Andrew Shedlin, BA, JD, CRX, CLS, CSM, is an acknowledged industry leader in the field of Real Estate Leasing. He specializes in consulting on the Development, Management and Leasing of Shopping Centers & Airports for both developers and retailers. Mr. Shedlin serves as a developer and consultant for dozens of shopping center landlords and tenants. He also has extensive experience in Airport Retail and Restaurants as both landlord and tenant.

Mr. Shedlin has developed or redeveloped more than 35,000,000 square feet of shopping centers as principal or consultant and at all of the top 50 airports in the US, and negotiated more than 15,000 leases as principal, consultant, landlord or tenant (as a business person and attorney), his clients have included dozens of international, national, regional, and local retailers and restaurants. Mr. Shedlin is a longtime member of ICSC’s faculty of the John T. Riordan School for Professional Development and a founding member of ICSC’s CLS Admissions and Governing Committee. He has received the ICSC Trustee’s Distinguished Award, serves on the ICSC Illinois State Committee and was previously NY/NJ state director for ICSC. Mr. Shedlin has taught at both Columbia University Graduate School of Business and Georgetown University Law School and holds a JD from Boston University. He frequently lectures at business schools, law schools, and for industry groups on Shopping Center Leasing, Understanding Leases, and Business Ethics.

Litigation Support - Considered the definitive industry expert in negotiating and interpreting shopping center and airport leases, Andrew Shedlin has worked as an expert on dozens of landlord / tenant disputes involving Interpretation and Enforcement of Leases and Shopping Center Management. He has worked with major law firms in numerous cities throughout the US. His services are available to counsel representing plaintiff and defendant and include written reports, depositions, and trial testimony as needed.

Areas of Expertise:

Shopping Center Leasing Airport Leasing Landlord / Tenant Disputes Safety

Lease Interpretation Lease Enforcement Shopping Center Management Development & Redevelopment Security

Background Experience:

• Arlen Shopping Centers - Executive Vice President & Counsel
• Equity Properties and Development Company - Executive Vice President (responsible for leasing and development)
• Previously owned and operated 2 retail businesses
• Facilitated entry of several international retailers into the US market
• Authored several chapters in real estate publications on subjects of leasing and understanding the lease

David J. Brotman, FAIA, is an accomplished Senior Executive with proven career and solid experience in all aspects of Architectural and Engineering Firm Management, including project management, profit and loss, business development, mergers and acquisitions, sales and marketing, and strategic planning. He is a Fellow of the American Institute of Architects, with over fifty years of practical experience. 

Principal at Sunset Consultants, Mr. Brotman provides strategic planning and management consulting services for various entities, including those that need help with planning or architectural projects. He has served as Chairman of the City of Malibu Planning Commission where he advised on land use matters including the local coastal program, specific plans, zoning, conditional use permits, and subdivisions. Mr. Brotman spent 25 years with RTKL Associates Inc., one of the World’s largest Architect and Engineering Firms where he eventually served as its Vice-Chairman.

Presentation by: David J. Brotman, FAIA

Litigation Support - David Brotman provides expert witness services to attorneys representing Plaintiff and Defense. His skills include all facets of Architectural practice. His worldwide, multi-million dollar project experience includes retail, office, hotel, institutional, and mixed-use. Mr. Brotman's services include affirmative and rebuttal report preparation, mediation, and trial testimony. 

Areas of Expertise:

Professional Standard of Care Construction Documents Analysis Architectural Design and Coordination Building Code Analysis Scope of Work Definition Errors and Omissions Analysis

Construction Defects & Negligence Change Order Analysis Communication Analysis Construction Administration Slip, Trip & Fall Architectural Detailing

View David Brotman's Consulting Profile.

Peter John Ingersoll is a distinguished CEO and Corporate Broker for Safe Harbour Equity, Inc., specializing in Cannabis Real Estate and Investment. With over 40 years of experience in investment real estate, construction, development, trust, and banking, Peter's role encompasses a focus on cannabis sector real estate, mergers and acquisitions, and capital advisory services. He has successfully managed complex transactions, capital structures, startup business protocols, and basis transfers.

Litigation Support - As a cannabis thought leader and expert witness, Peter offers services to attorneys for plaintiff and defense for creditor, investor, partner, and founder disputes.

Areas of Expertise:

Cannabis Partner Disputes Cannabis Creditor Rights Cannabis Investor / Founder Disputes Cannabis Capital Structures Cannabis Valuation Cannabis Breach of Contract Cannabis Breach of Fiduciary Duty

Cannabis Sale Leaseback Transactions Cannabis Recapitalization Cannabis Reorganization Plans Cannabis Receiverships Cannabis Unregistered Securities Litigation Cannabis Investor Fraud Cannabis Governance Documents

Background Experience - A former Series 7, 22, and 63 licensee, as well as a Series 65 registered investment advisor, Peter brings a wealth of knowledge in fiduciary responsibilities, real estate and company financing structures, and tax-deferred transactions.

Graduate of Wharton School – University of Pennsylvania – Finance

View Safe Harbour Equity, Inc.'s Consulting Profile.

Steven D. Epcar, CPM an Expert in Real Estate and Property Management Issues with 35+ years of experience;including residential, commercial, retail, hotel, condominium and mixed-use properties. Experienced in litigation support including standard of care, partnership conflicts, brokerage issues,landlord/tenant, valuation, personal injury, habitability, environmental, life safety cases. 

Steven is a member of the Forensic Expert Witness Association (FEWA).  He serves as a real estate consultant for institutional and private investors, providing an array of services: asset/property management related assignments, organizational assessments, financial feasibility, due diligence,and new development services. 

Previously, Mr. Epcar served as President, Residential Services for Carmel Partners a R/E investment/management firm in San Francisco, Principal/Founding Partner of Ventana Property Services, a West Coast third party management and consulting firm and President,Prometheus Management Group,a development/investment/management firm.

Areas of Expertise:

Standard of Care Issues Personal Injury Matters Partnership Conflicts Tenant-In-Common (TIC) 1031 Exchange Assessments Security/Life-Safety Issues Lease Compliance Issues Environmental Matters

Habitability Landlord / Tenant Disputes Fiduciary Duty Issues Property Inspections Contractor Defects and Disputes Premises Liability Real Estate Broker Duties Rent Control Compliance/Violations

Dennis Gemberling, CHA, CFBE, FMP, FCSI, President and Founder of Perry Group International, has over 35 years of experience in the Hospitality Management industry. His experience includes managing, operating, and consulting on full-service, limited-service, extended-stay, all-suite, condo and timeshare hotels and resorts, casual, fine-dining, and quick-service restaurants, bars and nightclubs, catering and special event facilities, casinos, and mixed-use real estate. 

Mr. Gemberling has held prior positions for different owners, operators, and chains as Senior Vice President, General Manager, Director of Food & Beverage, and Restaurant Unit Manager. He has been retained on over 400 projects with typical values in the $1 million to $75 million range and revenues in the $1 million to $100 million range both nationally and internationally. His many clients have include among others Biscuits & Blues, Cantina’s, Chevy’s, Choice Hotels, Embassy Suites, Hampton Inns, Hilton, Holiday Inns, Hooter’s Casino, Hyatt, Marriott, McDonald’s, Microtel Inn & Suites, Outback Restaurants, Radisson, Residence Inns, Signature Resort, Sizzler, Sonic Drive-Ins, Starbucks, Starwood, Sheraton, Togo’s, Wendy’s, and Willie Mays Skybox Lounge. 

Litigation Support: Dennis Gemberling is a Certified Hotel Administrator, Certified Food and Beverage Executive, Certified Foodservice Management Professional, and Certified Food Safety Manager. He offers expert witness services to attorneys for plaintiff and defendant cases on a variety of Hospitality-related claims. He is a Professional Member of Foodservice Consultants Society International and the Forensic Expert Witness Association. Mr. Gemberling also provides expertise as a Court Appointed Receiver and Interim Property Manager and is currently the Past President and a Board of Director for the California Receivers Forum – Bay Area Chapter. 

Areas of Expertise:

Management & Operations Income Analysis & Valuation Employment, Hiring & Labor Issues Lost Profits & Future Earnings Business Interruption Planning & Feasibility Upkeep & Maintenance Customs & Trade Practices Standards of Care

Franchise, Management & Operator Contracts Brand, Franchise, Franchisee Apparent Agency Issues Safety & Security Contractor & Entertainment Use Food & Alcoholic Beverage Handling Costs, Economic & Marketing Impact Procurement & Purchasing Landlord / Tenant, Operator & HOA Issues Discrimination & Harassment Construction or FF&E Problems

View Dennis Gemberling's Consulting Profile.

Dr. Tony Nettleman is a Land Surveying Engineer and Attorney who has been practicing for over 20 years. He holds a BS, MS and PhD in geomatics as well as a law degree. He is licensed in multiple states as a Professional Surveyor and is also a licensed attorney. 

Litigation Support - Tony has helped over 100 clients understand their land surveying and/or property dispute issues. He has testified in depositions and trials over a dozen times throughout that period to help judges and juries better understand what's expected of a Professional Land Surveyor. Whether your dispute is in Florida or Texas, New York or California, Tony travels across the country to conduct surveys, help the clients understand the substantive surveying issues, and resolve the surveying matter at hand.

Areas of Expertise:

Easements Land / Water Boundaries Land Title / Deeds Real Property Attorney Standard of Care

Surveyor Negligence Riparian Allocations of Ownership and Use Dock Surveys Unmanned Aerial Systems

Tony Nettleman on Land Surveyor Negligence

Dr. Nettleman has held distinguished professorships at Texas A&M Corpus Christi, University of Florida, Florida Atlantic University, and Troy University. He is currently the Director of the Nettleman Institute of Surveying Engineering Technology, the President of Nettleman Land Consultants, and the President of NLC Test Prep. He is the author of Clark on Surveying, a co-author of Brown’s Boundary Control and Evidence & Procedures for Boundary Location, teaches college courses, and helps hundreds of land surveyors become licensed each year.

Lezlee Liljenberg, CIC, CRIS, MLIS, PA, MA, entered the Insurance business in 2004 as she started her first agency from ground zero, growing the business to over $6 million in revenue in less than 12 years.

Ms. Liljenberg holds a BA in Journalism/Public Relations and a MA in Political Science/Public Administration from the University of Texas at Arlington. She is a Professional Financial Representative holding licenses as 6 & 63 Securities, a Property & Casualty Agent, Life & Health Agent, Risk Manager, Public Adjuster, and Texas Real Estate Broker.

She is well-known in the insurance and real estate industries for her responsiveness, knowledge, and professionalism in handling situations in both of these industries. Her 36 years of contractual knowledge is extensive and is strengthened by her years as a Commodity Electricity trader during Deregulation in 2001.

Litigation Support - Ms. Liljenberg provides Insurance Expert Witness services to attorneys representing plaintiff and defendant. She offers thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Insurance & Real Estate Agents Errors & Omissions Insurance & Real Estate Bad Faith Personal Auto Homeowners Insurance Product Liability Insurance Commercial Auto Insurance Commercial General Liability Commercial Umbrella Professional Liability Insurance

Directors & Officers Liability Product Liability Employment Practices liability Business Interruption Flood Insurance Inland Marine Insurance Farm & Ranch Owners Watercraft/Boats Personal Umbrella

Attorney, Lawrence H. Jacobson, has been practicing in the area of Real Estate Transaction Law and Litigation for more than 50 years. Over the past 30 years, he has been sought out as an expert witness in real estate and legal malpractice disputes and lawsuits in litigation cases throughout the country. 

His firm, The Law Offices of Lawrence H. Jacobson, A Professional Corporation, is recognized as one of the nation's premier offices providing expert testimony in litigation involving all Real Estate Matters and Legal Malpractice. 

Mr. Jacobson has been engaged in the practice of law in Los Angeles since 1968. Formerly Vice President of Legal Affairs for the California Association of Realtors, Mr. Jacobson has served as a judge pro tem for the Los Angeles and Beverly Hills Municipal Court Systems and as an adjunct professor of law focusing on real estate secured transactions and administrative law. He is Past President of the Beverly Hills Bar Association. He has written and lectured extensively on business and real estate related matters. He has served on the faculty of the Graduate Realtors Institute of the California Association of Realtors and a lecturer author for the California Continuing Education of the California Bar.

Litigation Support - Mr. Jacobson offers an impressive record of success as an expert witness in real estate, business, and finance. Included among the numerous cases in which he has testified as an expert witness are disputes over the interpretation of real estate documents, real estate and mortgage brokers’ standard of care and legal malpractice related to real estate transactions and business law including issues involved in corporate finance, merger and acquisition and ethics.

Areas of Expertise:

Real Estate Agency Obligations Real Estate Broker Fiduciary Duty Mortgage Broker Fiduciary Duty Commercial & Residential Real Estate Leasing Issues Real Estate Malpractice Mortgage Fraud

Mortgage Lending Real Estate Ethics Real Estate Standard of Care Real Estate Standard of Practice Real Estate Transactions Legal Malpractice Legal Fee Disputes

View Lawrence Jacobson's Consulting Profile.

Jeffrey S. Lapin, CPM, ARM, DREI, is an expert in maintenance and management procedures and reasonable standards of care for commercial and residential multifamily properties. He has been directly involved in Property Management, Leasing and Construction for over 40 years. 

Mr. Lapin is a Certified Property Manager (CPM®) and an Accredited Residential Manager (ARM), certified by the Institute of Real Estate Management (IREM®). Mr. Lapin is a certified instructor for IREM® and is a co-author of IREM's Maintenance and Risk Management Course (MNT 401). Mr. Lapin teaches for the Building Owners and Managers Association (BOMA®) and is a Distinguished Real Estate Instructor (DREI). Mr. Lapin teaches courses for these prestigious international property associations, including courses required by IREM® and by BOMA® for the respective professional accreditations they offer, centered around inspection and maintenance topics. He also served as President of the Institute of Real Estate Management (IREM®) Chapter 22 in Sacramento, California in 2016. 

Mr. Lapin specializes in Standard of Care for Landlords, Property Maintenance and Inspection Procedures, Management Policies and Procedures, and Asset Value Protection. His background includes roles with a diverse group of private property owners. His experience is in managing and leasing all types of property including commercial and multi-family residential, industrial, office, and retail real estate assets. 

Litigation Support - Mr. Lapin provides expert witness services on Commercial and Residential Real Estate Standards of Practice. His cases involve injuries, personal and financial, that occur as a result of an alleged failure by a commercial or multifamily landlord to follow reasonable standards of care and industry standard practices.

Areas of Expertise:

Property Management Standard of Care Policies and Procedures for Inspection and Maintenance Property Operations Property Management

Risk Mitigation Expense Management Slip and Fall Trip and Fall Gross Negligence

View Jeffery Lapin's Consulting Profile.

Jay Hibert was in the Commercial Banking Industry for over 25 years before leaving to form his own company, a real estate lending and consulting company. The company provides services to banks, non-banks, and individuals in need of creative financing solutions.  Still an ACTIVE lender in the industry, Jay stays updated on current customs and practices and has transacted hundreds of real estate and non-real estate loan negotiations in times of economic growth as well as downturns in the economy. His extensive credit background arms him with the understanding of how banks and other lenders operate internally.  

Litigation Experience - Mr. Hibert has been providing expert witness and consulting services since 2010. He has been designated over 360 times as an expert in 27 different states concerning matters relating to commercial lending, real estate, construction finance, SBA loans, brokerage, hard money loan expert and investment issues. His experience includes both Federal and State court cases where he has provided deposition testimony, trial testimony and arbitration testimony. 

Jay is a licensed Real Estate Broker (Cal DRE #01523) and for 10 years his company was a California Finance Lender and Broker through the California Department of Business Oversight. He is experienced in trial and deposition testimony and his services are available to counsel representing both Plaintiff and Defense. 

Key areas of expertise in litigation work include:

• SBA Real Estate Loans
• Hard Money Loans
• Lending Policies, Custom and Practice/Lender Liability
• Broker Standards of Care and Fiduciary Responsibility
• Loan Underwriting and Credit Administration
• Loan Process and Bank Loan Restructure/Workout Process
• Note Valuations/Collateral Review
• Litigation and Discovery Consulting
• Banking Operations/Administration
• Expert reports adherent to Federal Rule 26
• Hard Money Lending
• SBA Lending
• Loan Syndication/Secondary Market Loan Sales
• Title Insurance Cases
• Private Money Lending
• Predatory Lending
• Financial Elder Abuse
• Covid Related Finance Issues

*****Experienced in trial and deposition testimony*****

View Jay Hibert's Consulting Profile.