David A. Heiden

Biotel Inc. develops and markets digital Holter recorders and software. It operates business through subsidiaries Braemar, Inc. designs, manufactures and services non-invasive medical and other specialized monitoring products and ultrasound products for original equipment manufacturers. Agility Centralized Research Services, Inc. provides 24-hour/7-day electrocardiogram ('ECG') data and management services to the medical device and pharmaceutical industries, contract research and academic research organizations worldwide for cardiac safety and therapeutic evaluation purposes within clinical trials. The company was founded in 1982 and is headquartered in Eagan, MN.