For more than 30 years Tom has been a key member of the Skeletal Health R&D team at Hologic, developing a wide variety DXA applications for both clinical medicine and research. He concentrated his efforts on DXA reference data, pediatric densitometry, body composition, visceral fat assessment, small animal research exams, and other high resolution fan beam applications. He holds more than a dozen U.S. patents in densitometry and adjacent spaces and is perhaps best known as a co-developer of the T-score.