Doug Onsi

HealthCare Ventures LLC (HealthCare Ventures) is a venture capital firm founded in 1985 by Harold R. Werner. The firm is headquartered in Cambridge, Massachusetts.

Potentia Pharmaceuticals, Inc. operates as a biotechnology company. It focuses on the development of novel therapeutics and drug delivery technologies to address chronic inflammatory diseases. The company was founded by Cedric Francois, David Darst, Alec Machiels and Pascal Deschatelets in 2001 and is headquartered in Crestwood, KY.

Sequoia Pharmaceuticals discovers and develops unique treatments for viral diseases including HIV/AIDS and HCV-induced hepatitis with a focus on the growing global problem of drug-resistant disease. Most new anti-viral drugs were designed to block the most prevalent form of a pathogen, but these drugs become less potent due to the emergence of drug-resistant mutations. Sequoia's is to discover and develop new antiviral which are active against the most prevalent form of the virus but also anticipates the emergence of drug resistance forms thereby maintaining potency over time. Sequoia's differentiating approach is to identify a constellation of atomic interaction points which are necessary and sufficient for enzymatic function. Sequoia's protease inhibitors have been designed to interact preferentially with only these atoms, thus allowing non-critical mutations to occur without resulting in a decrease in drug potency. The foundation of Sequoia's novel Resistant-Repellent™ technology is a drug discovery tool that enhances the efficiency with which drugs are designed. It is based on an understanding of the chemical and physical nature of the molecular targets, the enzymes and receptors to which drugs bind, combined with an understanding of the molecular mechanisms that cause drug resistance. Sequoia is also discovering and developing a unique series of pharmacokinetic enhancers (PKEs) to work in combination with its own, and its partners', antiviral therapies. These sets of molecules improve the PK of existing therapeutics and reduce interpatient variability. This represents a unique approach to an important need in HIV treatment today. Sequoia is also looking to extend this novel PKE approach to other areas. Its PKEs are designed to inhibit a particular CYP isozyme and therefore change the metabolism of a co-administered therapeutic agent. The combination of PK Enhancer and the therapeutic agent enables reduced dosage and less frequent administration of the therapeutic agent.

Sierra Neuropharmaceuticals, Inc. is a biopharmaceutical company focused on the development and commercialization of centrally-administered, small molecule therapeutics for the treatment of severe central nervous systems diseases refractory to oral medications. These include epilepsy, schizophrenia, bipolar disorder, anxiety disorders and major depression. The company uses a proprietary drug development process to reformulate pharmaceuticals for direct delivery to the brain via standard implantable pumps. The company was founded in 2005 and is headquartered in Aurora, CO.

Oriel Therapeutics, Inc. develops inhaled drug delivery systems for respiratory diseases and diagnostics. It is a respiratory drug delivery and development company serving the pharmaceutical, biotechnology and diagnostic industries in the development and commercialization of innovative pre-metered unit and multi-dose dry powder delivery systems for medicines for asthma and chronic obstructive pulmonary disease. The company was founded by Paul J. Atkins, Timothy M. Crowder, Richard Fuller and Anthony J. Hickey in 2002 and is headquartered in Durham, NC.

TetraLogic Research & Development Corp. develops SHP-141 topical HDAC inhibitor clinical development for cutaneous T cell lymphoma. Its currently conducting a randomized, double-blind, placebo controlled, phase 1b study, to evaluate the safety and tolerability of SHP-141 in patients with stage 1A, 1B or 2A CTCL. The company was founded by James E. Bradner and Ralph Mazitschek in 2008 and is headquartered in Cambridge, MA.