Richard Treadwell

Biosensors International Group Ltd. develops, manufactures, and markets medical devices for interventional cardiology and critical care procedures. It operates through the following segments: Interventional Cardiology, Critical Care, Cardiac Diagnostic, and Licensing Revenue. The company was founded in 1990 by Yoh Chie Lu and is headquartered in Singapore.

General Orthodontic LLC provides dental equipment. The American company was founded by Richard Treadwell. General Orthodontic was acquired by Align Technology, Inc. on February 08, 2005 for $2.40 million.

Empirical Spine, Inc. develops minimally invasive, flexion-restricting stabilization devices for the spine. It offers LimiFlex Spinal Stabilization System which is a novel implant that provides segmental stability to the lumbar spine while still allowing motion and also used in conjunction with a surgical decompression for the treatment of lumbar spinal stenosis with or without degenerative spondylolisthesis. The company was founded by Louis Fielding, John Colin Cahill, Ian Bennett and Todd F. Alamin in 2006 and is headquartered in San Carlos, CA.

Aardvark Medical, Inc. manufactures sinus and nasal care consumer products. It offers drug-free relief from colds, allergies and sinusitis. The company was founded by Richard R. Treadwell and Christensen Peter Baker in 2006 and is headquartered in Ross, CA.