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Management

The members of Omeros' management team contribute diverse expertise across all aspects of our scientific and corporate strategies. They provide Omeros with proven leadership to navigate the complex terrain of biopharmaceutical development and commercialization.

Gregory A. Demopulos, M.D.
Chairman and Chief Executive Officer
Gregory A. Demopulos, M.D.
Chairman and Chief Executive Officer


Gregory A. Demopulos, M.D. is one of our founders and has served as our President, Chief Executive Officer and Chairman of the Board of Directors since June 1994. Prior to founding Omeros, Dr. Demopulos completed his residency in orthopedic surgery at Stanford University and his fellowship training at Duke University. Dr. Demopulos received his M.D. from the Stanford University School of Medicine and his B.S. from Stanford University.... 
Timothy M. Duffy
Vice President, Business Development
Timothy M. Duffy
Vice President, Business Development


Timothy M. Duffy has served as our vice president, business development since March 2010. From November 2008 to March 2010, Mr. Duffy served as the managing director of Pacific Crest Ventures, a life science consulting firm that he founded. From June 2004 through September 2008, Mr. Duffy served at MDRNA, Inc. (formerly Nastech Pharmaceutical Company, Inc.), a biotechnology company. At MDRNA, he held roles of increasing responsibility in marketing and business development, most recently as the c... 
Kenneth M. Ferguson, Ph.D.
Vice President, Development and Chief Development Officer
Kenneth M. Ferguson, Ph.D.
Vice President, Development and Chief Development Officer


Kenneth M. Ferguson, Ph.D., has served as our vice president, development since November 2010 and as our chief development officer since October 2012. Prior to the acquisition of ICOS Corporation in 2007 by Eli Lilly and Company, he served as vice president of therapeutic development at ICOS. Dr. Ferguson also served as chief operating officer, chief scientific officer and a member of the board of managers of Lilly ICOS LLC, the joint venture of Eli Lilly and ICOS that developed and marketed Cia... 
George A. Gaitanaris, M.D., Ph.D.
Vice President, Science and Chief Scientific Officer
George A. Gaitanaris, M.D., Ph.D.
Vice President, Science and Chief Scientific Officer


George A. Gaitanaris, M.D., Ph.D. has served as our vice president, science since August 2006 and as our chief scientific officer since January 2012. From August 2003 to our acquisition of nura, inc. in August 2006, Dr. Gaitanaris served as the chief scientific officer of nura, a company that he co-founded and that developed treatments for central nervous system disorders. From 2000 to 2003, he served as president and chief scientific officer of Primal, Inc., a biotechnology company that was acq... 
Patrick W. Gray, Ph.D.
Scientific Fellow
Patrick W. Gray, Ph.D.
Scientific Fellow


Patrick W. Gray Ph.D. has served as our scientific fellow since March 2012. From 2007 until he joined Omeros in 2012, Dr. Gray served as the chief scientific officer of Accelerator Corporation, a biotechnology-company investor and incubator. Prior to Accelerator, Dr. Gray was the chief executive officer of nura, inc., a privately held biotechnology company acquired by Omeros in 2006. Before nura, he held senior scientific and management positions at Genentech, Inc., ICOS Corporation and MacroGe... 
Michael K. Inouye
Vice President, Commercial Operations
Michael K. Inouye
Vice President, Commercial Operations


Mr. Inouye joined Omeros in October 2013 and brought over 20 years of management experience in the pharmaceutical industry. His experience includes positions as senior vice president, corporate and commercial development for Pharmacyclics, and senior vice president, commercial operations at Telik. Prior to that, he was senior vice president of commercial operations at Gilead Sciences from 1995 to 2004 where he developed and led the worldwide commercial organization through four product launches... 
Michael A.  Jacobsen
Vice President, Finance and Chief Accounting Officer
Michael A.  Jacobsen
Vice President, Finance and Chief Accounting Officer


Mr. Jacobsen joined Omeros in August 2013 and brought over 30 years of senior business management and accounting experience to the company having led the finance teams responsible for the commercial launch of Cialis® and Recothrom®. His experience includes more than a decade of service as a senior finance and accounting officer with publicly traded medical research, drug development and biotechnology companies. Prior to Omeros, Mr. Jacobsen served as vice president of finance and chief accountin... 
Marcia S. Kelbon, J.D., M.S.
Vice President, Patent and General Counsel and Secretary
Marcia S. Kelbon, J.D., M.S.
Vice President, Patent and General Counsel and Secretary


Marcia S. Kelbon, J.D., M.S. has served as our Vice President, Patent and General Counsel since October 2001 and as our Secretary since September 2007. Prior to joining Omeros, Ms. Kelbon was a partner with the firm Christensen O'Connor Johnson & Kindness, PLLC, where she specialized in U.S. and international intellectual property procurement, management, licensing and enforcement issues. Ms. Kelbon received her J.D. and her M.S. in chemical engineering from the University of Washington and her ... 
Catherine A. Melfi, Ph.D.
Vice President, Regulatory Affairs and Quality Systems
Catherine A. Melfi, Ph.D.
Vice President, Regulatory Affairs and Quality Systems


Catherine A. Melfi, Ph.D. has served as our vice president, regulatory affairs and quality systems since October 2012. Dr. Melfi previously served from 1996 to 2012 at Eli Lilly and Company, where she held technical and leadership roles of increasing scope and responsibility, including as Senior Director and Scientific Director in Global Health Outcomes and Regulatory Affairs, respectively. Prior to joining Lilly, Dr. Melfi held various faculty and staff positions at Indiana University, includi... 
David R. Toll
Senior Director of Finance
David R. Toll
Senior Director of Finance


David R. Toll has served as our senior director of finance since March 2009. He previously served as our director of finance and controller from January 2006 to March 2009. Mr. Toll also served as our controller and operations manager beginning in November 2000. From 1998 to 2000, Mr. Toll served as the accounting manager at aQuantive, Inc., a publicly traded digital marketing company that was acquired by Microsoft Corporation. From 1992 to 1998, Mr. Toll served in various positions at Ostex In... 
J. Steven Whitaker M.D., J.D.
Vice President, Clinical Development and Chief Medical Officer
J. Steven Whitaker M.D., J.D.
Vice President, Clinical Development and Chief Medical Officer


J. Steven Whitaker, M.D., J.D. has served as our vice president, clinical development and chief medical officer since March 2010. From May 2008 to March 2010, Dr. Whitaker served as the chief medical officer, vice president of clinical development at Allon Therapeutics, Inc., a biotechnology company focused on developing drugs for neurodegenerative diseases. From August 2007 to May 2008, he served as a medical consultant to Accelerator Corporation, a biotechnology investment and development comp...