Mark Knudson

Sigma XI is a scientific research honor society that supports students and researchers, connects the public with science, and advances the research enterprise. The society is based in Durham, NC, and the CEO is Jamie L. Vernon. The society awards grants to students, hosts conferences, and offers programs such as science cafes and lectureships. Sigma XI also partners with other organizations to promote science communication and diversity in STEM fields.

EnteroMedics, Inc. is a medical device company, which in the design, and development of devices that use neuroblocking technology to treat obesity,metabolic diseases, and other gastrointestinal disorders. It offers vBlock system, which is a therapy to limit expansion of hte stomach, help control hunger sensations between meals, reduce the frequency and intensity of stomach contractions and produce a feeling of early and prolonged fullness. The company was founded by Mark B. Knudson, Robert S. Nickoloff, Timothy R. Conrad, Katherine S. Tweden and Richard R. Wilson on December 19, 2002 and is headquartered in St. Paul, MN.

Medical Innovation Partners is a venture capital firm based in Minnetonka, Minnesota.

Restore Medical developed, manufactured and marketed pillar palatal implant systems used for the treatment of soft palate components of sleeps disordered breathing, obstructive sleep apnea, and snoring. The company was founded in 1999 and was headquartered in St. Paul, MN.

Diametrics Medical, Inc. develops, manufactures and markets medical and dental instruments, supplies, or surgical equipment, including syringes, respiratory care equipment, wheelchairs, X-ray equipment, laser systems, hospital clothes and other medical equipment and supplies. It is located Playa Vista, CA