David P. Nichols

DCA Investment Holding LLC functions as an investment holding company. The company was founded in 1991 and is headquartered in Sarasota, FL.

Tutogen Medical, Inc. manufactures sterile biological implant products made from human and animal tissue. Tutogen utilizes its Tutoplast Process® of tissue preservation and viral inactivation to manufacture and deliver sterile bio-implants used in spinal/trauma, urology, dental, ophthalmology and general surgery procedures. The Company''s Tutoplast® products are sold and distributed worldwide by Zimmer Spine and Zimmer Dental, subsidiaries of Zimmer Holdings, Inc. the Mentor Corporation, IOP, Inc. and through independent distributors and subsidiaries in the U.S. and other international markets. Tutogen Medical is located in West Paterson, NJ.

Dental Care Alliance LLC provides dental practice management services. Its management services include human resources, payroll and benefits, marketing, purchasing, accounting and accounts payable, insurance management, facility management, staff training, and integrated information technology. The company was founded by Steven R. Matzkin in 1991 and is headquartered in Sarasota, FL.