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Exclusive Expert Witnesses

These experts, available only through Round Table Group, have demonstrated excellence in expert witness testimony as well as in academic and professional achievement.

Exclusive Expert Witnesses

Exclusive Expert Profiles

John C. Bravman, PhD

Dr. Bravman has over 25 years of experience consulting for the computer, semiconductor technology, consumer electronics and material sciences industries.

Dr. Andrew Colucci, MD

Dr. Andrew Colucci is a dual-certified physician with a sub-specialty of diagnostic neuroradiology. His expertise includes the modalities of radiography, fluoroscopy, nuclear medicine, PET/CT, CT, MRI, and ultrasound as well as specialized imaging of the head, neck, brain and spine, including fMRI, ASL, CT perfusion, MR perfusion, and MR spectroscopy.

Scott Denning

Scott Denning is an experienced expert witness for the mobile wireless, global positioning system (GPS), network communications, software, storage, and embedded computing industries.

Dr. Joel Gellman

Dr. Gellman has over twenty years of experience in cardiovascular medicine. He is trained in Internal Medicine at Harvard Medical School and the Massachusetts General Hospital, in Cardiovascular Research at Yale University and in Clinical Cardiology at Johns Hopkins.

Stephen Gray

Mr. Gray has over 30 years of experience in the computer and communications industries with Burroughs, Olivetti, Computer Communications, Xerox, Simpact Associates, NTN Communications and Networld Exchange.

Stephen B. Heppe, DSc

Dr. Heppe has over 40 years of experience in the area of telecommunications, electrical engineering, radio/radar, unmanned aircraft, and GPS/GNSS with General Electric Space Division, Stanford Telecommunications, Telenergy, the Insitu Group/Boeing, and independent consultancies.

William Messner

Dr. Messner has 20 years of experience in legal consulting. He has deep knowledge of autonomous vehicles, robotics, data storage systems, microfluidics, assistive technologies and control systems.