Casinos / Gambling / Gaming Expert Witnesses

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:

View Dennis Gemberling's Consulting Profile.

Leonard J. Backer has over 28 years of extensive and successful Seating, Tables and  Furniture Industry experience in all key areas. Mr. Backer has been directly involved in the design and development of 250+ seating and table collections. He specializes in Private Label Manufacturing, Sourcing, and Product Development expertise. Mr. Backer provides aggressive Expert Witness and Litigation Support services to attorneys, insurers and businesses for Plaintiff or Defense. He performs site inspections, detailed product reviews and incident analyses. He has worked with law firms and insurance companies to develop and coordinate strategies for various types of legal actions and lawsuits. Very strong hospitality background. Mr. Backer has extensive experience with hotel, restaurant, cruise ship, retail store and senior living incidents. Personal Injury and Product Liability Cases. He provides detailed analyses, written opinions, and expert witness reports for clients throughout the U.S. Strong proven deposition and court testimony. Areas of Expertise:

View Leonard Backer's Consulting Profile.

Seasoned Gambling and Sports Integrity professional and former Chair of the International Betting Integrity Association, with 30 years of experience in prediction markets, sportsbook trading, online sports betting platforms, odds and pricing, integrity monitoring, and governance across multiple jurisdictions.

Mr. Russell provides independent, data-driven analysis of betting markets, sports integrity risks, platform design, and operator conduct in civil, regulatory, and criminal proceedings.