Walter W. Witoshkin

Sontra Medical Corporation engages in the development of transdermal diagnostic and drug delivery products based on its SonoPrep ultrasonic skin permeation technology. SonoPrep is a noninvasive ultrasonic skin permeation technology for medical and therapeutic applications, including transdermal diagnostics and the delivery of drugs through the skin

CyGene Laboratories, Inc. was a development stage company. The company was founded in 1995 and was headquartered in Coral Springs, FL.

FluoroPharma, Inc. manufactures diagnostic imaging products. It engages in the discovery, development and commercialization of proprietary diagnostic imaging products. The company was founded by David R. Elmaleh in 2003 and is headquartered in Boston, MA.

Wyeth Ltd. (India) manufactures pharmaceutical drugs. The firm provides prescription pharmaceuticals, non-prescription consumer health care products and pharmaceuticals for animal health. The company was incorporated on September 20, 1947 and is headquartered in Mumbai, India.

Part of Numark Laboratories, Inc., Menley & James Laboratories, Inc. provides over-the-counter pharmaceutical products. The company is based in Horsham, PA. Menley & James Laboratories was acquired by Numark Laboratories, Inc. from Menley & James, Inc. on August 21, 1998 for $12.93 million. The company was founded by Walter W. Witoshkin.

Echo Therapeutics, Inc. is a medical device company, which engages in the development of non-invasive, and wireless continuous glucose monitoring system for use in the diabetes outpatient market. It offers needle-free skin preparation device as a platform technology that allows for enhanced skin permeation enabling extraction of analytes, such as glucose and delivery of topical pharmaceuticals. The company was founded in 1989 and is headquartered in Iselin, NJ.