expert witnesses
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Alternative / Renewable Fuel - Energy Expert Witnesses: 5
Parent Category:
Renewable Energy Expert Witness John Obrien
John N. O'Brien
CEO
1093 A1A Beach Blvd. ,Suite 175
St Augustine FL
32080
USA
phone: 516-992-2133
Dr. John N. O’Brien has over 45 years of experience in Energy Markets, Technology, and Regulation as a thought leader and as an expert in the analysis of energy economics, and promulgation and enforcement of energy laws and regulation.
Before he began providing litigation support services, Dr. O'Brien spent 10 years as a Full Scientist at the US Department of Energy’s Brookhaven National Laboratory in its Department of Nuclear Energy (1976-1985),13 years as founder and CEO of several significant energy companies (1985-1998), 25 years as a high-level energy consultant and advisor with several nationally recognized consulting firms advising substantial corporate entities (1998-Present), and 20 years providing energy-related expert litigation support.
Litigation Support - Dr. O'Brien is a highly experienced litigation support expert having been engaged as a primary expert witness and subject matter expert in over 25 different judicial actions as well as numerous administrative regulatory proceedings involving energy-related matters. His extensive prior history as a high-level advisor in the energy sector has contributed to the success of numerous judicial matters in which he has been engaged resulting in well over $3.5 Billion in judicial recoveries for his clients.
Dr. O'Brien possesses a very broad and deep level of expertise and extensive experience in the energy industry. He fully understands the details of energy regulatory economics as well as adherence to the applicable procedural and evidentiary requirements of judicial and regulatory litigation.
Areas of Expertise:
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Consultants. Experts. Innovators.™
Operating from more than 110+ offices around the globe, we provide services to corporations, insurance companies, law firms, and government agencies.
Rimkus experts specialize in forensic consulting and construction dispute resolution in the hospitality, retail, and restaurant; industrial; marine; oil and gas; power and renewable energy; transportation; and pharmaceuticals industries.
Rimkus experts solve complex challenges wherever in the world they occur. We are dedicated to serving our clients so they can achieve timely resolution of accidents, claims, and legal disputes.
Our highly diversified, global team of engineers, scientists, architects, and technical specialists systematically evaluates all available evidence, applies scientific principles, specialized knowledge and, when appropriate, utilizes the latest analytical technologies to arrive at scientifically sound opinions and solutions for our clients.
Rimkus Global Services Overview
OUR FORENSIC SERVICES EXPERTISE
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View our full suite of Forensic Expert Services
GLOBAL OFFICES
Rimkus operates from 110+ offices worldwide, with headquarters in the following cities.
| Australia Grosvenor Place, Level 31 225 George Street Sydney NSW 2000 Phone: +61 2 9290 1495 Email: APEnquiries@rimkus.com | Malaysia Menara Citibank Suite 20.04 Level 20, 165 Jalan Ampang 50450 Kuala Lumpur Phone: +60 3 9212 1204 Email: APEnquiries@rimkus.com |
| New Zealand Level 2, 1 Broadway Newmarket Auckland 1023 Phone: +64 9 5201929 Email: APEnquiries@rimkus.com | Singapore 138 Market Street Level 5, CapitaGreen 048946 Phone: +65 6016 6057 Email: APEnquiries@rimkus.com |
| United Kingdom 5th Floor 40 Lime Street London EC3M 7AW Phone: +44 12 5767 6107 Email: EurEnquiries@rimkus.com | United States 12140 Wickchester Ln Ste 300 Houston Texas Phone: +1 800 580 3228 Email: Expert@rimkus.com |
View a full list of Rimkus Office Locations.
View Rimkus Quantum and Delay Expert Services Profile.
View Rimkus Life Sciences Expert Services Profile.
Construction Claims Experts Long International
Richard J. Long, P.E., P.Eng.
Founder
Corporate Headquarters:
10098 Whistling Elk Drive
Littleton CO
80127-6109
USA
phone: (303) 972-2443
fax: (303) 200-7180
Florida Office:
Andrew Avalon, PE, PSP
Chairman & CEO
8633 Willow Kane Court
Orlando, FL 32835
aavalon@long-intl.com
T: (407) 445-0825 F: (407) 650-3399
Long International provides expert engineering and construction claims analysis, expert testimony, project management consulting, and insurance claims analysis services. We focus on projects in the following industries: building and construction; gas, gasification, GTL, LNG, and NGL; industrial and manufacturing; mineral and mineral processing; offshore oil and gas; oil sands; pipelines and utilities; power; refineries, petrochemical, and chemical; transportation; and water, wastewater, dams, and marine. We analyze claims, not limited to, disputed change orders, schedule delay, acceleration, time extensions, liquidated damages, loss of productivity, defective specifications, and deficient project management performance.
Richard J. Long, P.E., P.Eng., Founder of Long International, has over 50 years of U.S. and international consulting experience involving construction contract disputes analysis and resolution, arbitration/litigation support and expert testimony, project management, engineering/construction management, cost and schedule control, and process engineering. As an internationally recognized expert in the analysis and resolution of complex construction disputes for over 35 years, Mr. Long has served as the lead expert on over 300 projects having claims ranging in size from US$100,000 to over US$2 billion. He has presented and published numerous articles on claims analysis, entitlement issues, CPM schedule and damages analyses, cumulative impact claims, and claims prevention.
Rod C. Carter, CCP, PSP is President of Long International and has over 20 years of experience in construction project controls, contract disputes and resolution, negotiations, mediation, arbitration support, and expert testimony on scheduling, loss of productivity, and quantum issues. He has experience in entitlement, schedule, and damages analyses on over 30 construction disputes ranging in value from US$100,000 to US$7 billion, related to oil and gas, oil refinery, LNG, heavy civil, nuclear, environmental, chemical, power, industrial, commercial, and residential construction projects. Mr. Carter specializes in loss of productivity, cumulative impact, and quantum calculations, and had a lead role in assessing damages on more than a dozen major disputes. In addition, Mr. Carter has developed cost and schedule risk analysis models using Monte Carlo simulations to address the uncertainty of estimates and claims.
Scott M. Francis, P.E., PSP is a Vice President of Long International and has over 20 years of experience in project management, contract disputes analysis and resolution, CPM schedule preparation, execution, and analysis, productivity analysis, contract administration, design engineering, construction management, and government contracting. He provides schedule development and assurance services, cost estimating, and claims analysis services on projects for both owners and contractors. Specific responsibilities include CPM development and reviews, CPM schedule delay and acceleration analyses, change order impact analysis, issue identification, correlation of impacts to schedule activities, and productivity evaluations.
HVAC Mechanical Systems Expert Witness Joseph LaRovere
Joseph A. LaRovere, CEM
Principal
6647 E Calle De Las Estrellas
Cave Creek AZ
85331
USA
phone: 602-918-1960
Joseph A. LaRovere, CEM, has over 35 years of experience as a contractor, owner/operator, technician, and consultant to the construction industry with specialties in HVAC, Mechanical, Electrical, Plumbing, Energy Management and Control Systems. Licensed PE, Project Manager, Design Professional, Construction Manager on staff.
Project Types - Health care facilities, Clean Rooms, Operating Suites, Apartments and Condominiums, Medical Office Buildings, K-12 Schools, Higher Education, Commercial Office Buildings, Highrise Buildings, Casinos, Hospitality, Assisted Living Facilities, Military Facilities, Manufacturing and Semi-Conductor Facilities
Litigation Support - Mr. LaRovere is a Forensic Expert Witness for cases involving HVAC, Mechanical, Plumbing, Construction Defects and Project Management for a variety of clients. He has worked in Arizona, California, Texas, Colorado, and Hawaii as an expert
Areas of Expertise:
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Certifications:
- C.E.M. - Certified Energy Manager
- Honeywell Tridium Niagara AX
- Honeywell Tridium Niagara 4
- Johnson Controls Facility Explorer
- LEED AP BD&C (Inactive)
Renewable Energy Expert Witnesses Due Diligence Professional Services
Nicholas Fiduccia, President & Co-Founder
Ron Riiter, Vice President & Co-Founder
217 Lorca Drive
Greenville SC
29605
USA
phone: 812-240-6215
Due Diligence Professional Services, Inc. (DDPSI) is a Construction Consulting and Expert Witness Firm that Specializes in Supporting Litigation and Representing Clients for Renewable Energy, Power, Heavy Civil, Underground Utilities, Building and other related Construction Specialty Projects. They are a diverse team with construction claims and project management expertise who value the importance of relationships and continue to distinguish themselves by showing clients that Experience + Talent + Strategy = Results.
Litigation Support - DDPS understands the complexities of dispute resolution and work extensively with attorneys to identify documents, prepare computerized document databases, establish document shared files, support witness statements, and prepare expert reports. Their construction and engineering litigation expert witnesses participate hands-on in all projects. They develop the methodology of analyses, analyze the relevant documentation, and develop support for opinions.
- Renewable Energy - Utility Scale Wind, Utility Scale PV Solar, Utility Scale Concentrated Solar Power, Biomass and Battery Storage
- Heavy Civil - Earthwork, Roads, Bridges Highways and Airports
- Power - Transmission, Distribution and Substation / Switching Yards
- Underground Utilities - Water, Reclaimed Water, Storm Drainage, Sanitary Sewer/Lift Stations, and Force Main
- Buildings - Commercial, Institutional, Industrial, and Heavy Civil
- Construction Specialties - Dewatering, Directional Drilling/Jack and Bore, Low Pressure Sewer, Fiber Optic Systems, Reinforced Earth Wall, Sound Barrier Wall, Telecommunication Infrastructure, Transformer – RCA of failures and Transmission Line Pole Remediation

Nicholas Fiduccia is President and Co-Founder of Due Diligence Professional Services, Inc. a Florida based expert witness service, construction claims specialist and project management consulting firm that focuses its practice on law firms, owners, engineering, construction firms, and contractors performing renewable energy, power, heavy civil, underground utilities, building and other related construction specialties.
Mr. Fiduccia has over 30 years of U.S. and Canadian construction experience involving construction contract disputes analysis and resolution, arbitration/litigation support and expert testimony, project management, engineering/construction management, cost and schedule control, and value-engineering.
Before co-forming Due Diligence Professional Services, Inc, Mr. Fiduccia had corporate-wide responsibility for technical management and oversight for the preparation and resolution of construction claims for 11 years for a utility-scale renewable energy and heavy civil infrastructure contractor, plus over 19 years of hands-on experience to ensure that profit, cost, schedule, scope, quality, and safety objectives were achieved for renewable energy, power, heavy civil, underground utilities, building and other related construction specialty projects.

Ron Ritter, Vice President and Co-Founder of Due Diligence Professional Services, Inc. has been responsible for on-site project management for Wind, Solar, Battery Energy Storage System (BESS) Projects, Heavy Civil Projects, and Underground Utility Projects over the last 25 years.
Mr. Ritter’s expertise in a full array of self-perform and key subcontractor oversight has allowed him to execute multiple EPC contracts successfully and safely.
Before co-forming Due Diligence Professional Services, Inc, Mr. Ritter successfully built a career in the construction industry that consisted of 45 years of hands-on, field experience. Twenty (20) years of that field experience has been spent building and supervising the construction of renewable energy facilities. Seventeen (17) years of his construction career have been spent as the senior field representative, directly responsible for the safe, timely, profitable and quality construction of 15 wind farms in the USA totaling 2,465 megawatts. Mr. Ritter has also worked on and supported the construction of wind farms and solar farms in Canada.
View Due Diligence Professional Services, Inc.'s Consulting Profile.
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