Timothy Sean Callahan

OrbiMed Advisors LLC is an independent, SEC-registered investment advisor and hedge fund manager headquartered in New York City. It was founded by Sven Borho and Carl Gordon in 1989. The firm provides discretionary investment management services to US and non-US public and private funds.

Altaris Capital Partners LLC (Altaris Capital Partners) is a private equity firm founded by George Aitken-Davies and Daniel Tully in 2003. The firm is headquartered in New York.

CMP Pharma, Inc. engages in the manufacture and distribution of prescription and non-prescription pharmaceutical products. Its products include Oracit, Dermacloud Ointment, Absorbase, Triamcinolone Acetonide, and Hydrocortisone HCl. The company was founded by Henry Lewis Smith in 1975 and is headquartered in Farmville, NC.

Allergan Plc engages in the research, development, and manufacture of pharmaceutical products. It operates through the following business segments: US Specialized Therapeutics; US General Medicine, and International. The US Specialized Therapeutics segment includes sales and expenses relating to branded products within the United States. The US General Medicine segment involves Central Nervous System; Gastrointestinal; Women's Health; Anti-Infectives; and Diversified brands. The International segment comprises of products sold outside the United States. The company was founded in 1982 and is headquartered in Dublin, Ireland.

Padagis US LLC is a leading provider of extended topical and other specialty pharmaceuticals, with a focus on improving the well-being of patients and consumers through the development, manufacturing, and distribution of high-quality and affordable healthcare products. Padagis US is based in Allegan, MI. The company employs over 1,300 people worldwide and has subsidiaries in the United States.

Synergy Pharmaceuticals LLC engages on the development and commercialization of novel gastrointestinal therapies. Its commercial product, plecanatide, is marketed under the trademark name TRULANCE, which seeks to treat adults with chronic idiopathic constipation and irritable bowel syndrome with constipation. The company was founded by Kunwar Shailubhai and is headquartered in New York, NY.