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
    Dr. Demopulos founded our company 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 in hand and microvascular surgery at Duke University. Dr. Demopulos currently serves on the board of trustees of the Smead Funds Trust, an open-end mutual fund company registered under the Investment Company Act of 1940. Dr. Demopulos received his M.D. from the Stanford University School of Medicine and his B.S. from Stanford University.
    • Christopher S. Bral, Ph.D.

      Vice President, Nonclinical Development
      Dr. Bral joined Omeros as our vice president of nonclinical development in October 2015. From April 2014 to October 2015, Dr. Bral was the executive director of toxicology at Arrowhead Research Corporation. From June 2008 to April 2014, Dr. Bral served as director of drug safety evaluation at Vertex Pharmaceuticals. Prior to Vertex, Dr. Bral held various pre-clinical drug safety positions of increasing responsibility at Schering-Plough Research Institute including associate director of drug safety evaluation. Dr. Bral received his Ph.D. in Biochemistry and Biophysics from Texas A&M University and his B.S. in Chemistry from John Carroll University, and he has been board-certified in toxicology through the American Board of Toxicology since 2000.
      • Timothy M. Duffy

        Vice President, Business Development
        Mr. Duffy has served as our vice president of 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 (formerly Nastech Pharmaceutical Company), a biotechnology company, where he held roles of increasing responsibility in marketing and business development, most recently as chief business officer. Prior to MDRNA, Mr. Duffy served as vice president of business development at Prometheus Laboratories, Inc., a specialty pharmaceutical company, and as a customer marketing manager at The Procter & Gamble Company. Mr. Duffy received his B.S. from Loras College.
        • Timi Edeki M.D., Ph.D.

          Vice President, Clinical Development
          Dr. Edeki joined Omeros as our vice president of clinical development in May 2017. Dr. Edeki is a pharmaceutical physician-scientist with experience in developing drugs in multiple therapeutic areas including nephrology, hematology, cardio-metabolic, immunology, antimicrobials, neuroscience, gastroenterology, oncology and sepsis. From 2006 through 2016, Dr. Edeki served as principal physician for AstraZeneca and, during most of that period, also served as senior director of research and development. Prior to his service with AstraZeneca, Dr. Edeki was associate director at Abbott Laboratories from 2003 to 2006. Dr. Edeki is a fellow of the American College of Clinical Pharmacology and currently serves on the editorial board of Clinical Pharmacology and Therapeutics. Dr. Edeki currently holds an academic appointment as adjunct professor of pharmacology, physiology, and internal medicine at Drexel University and previously was a clinical professor of medicine at the Chicago Medical School. Dr. Edeki received his M.D. and Ph.D. from the University of Lagos and the University of London, respectively, and his fellowship training at Vanderbilt University. He is a diplomate of both the American Board of Internal Medicine and the American Board of Clinical Pharmacology.
          • George A. Gaitanaris, M.D., Ph.D.

            Chief Scientific Officer
            Dr. Gaitanaris joined Omeros as our vice president of science in August 2006 and has served as our chief scientific officer since January 2012. From August 2003 to our acquisition of nura 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, a biotechnology company that was acquired by nura in 2003. Prior to co-founding Primal, he served as staff scientist at the National Cancer Institute. Dr. Gaitanaris received his Ph.D. in cellular, molecular and biophysical studies and his M.Ph. and M.A. from Columbia University and his M.D. from the Aristotelian University of Greece.
            • Michael A. Jacobsen

              Chief Accounting Officer
              Mr. Jacobsen joined Omeros in August 2013 as our vice president of finance and has served as our chief accounting officer and treasurer since October 2013. Prior to joining Omeros, Mr. Jacobsen served as vice president of finance at Sarepta Therapeutics from September 2011 to May 2013 and as its chief accounting officer from September 2011 to December 2012. From April 2007 to August 2011, Mr. Jacobsen was vice president and chief accounting officer at ZymoGenetics. Prior to his service with ZymoGenetics, Mr. Jacobsen held various roles at ICOS Corporation, including senior director of finance and corporate controller. From April 1995 to October 2001, Mr. Jacobsen held vice president of finance or chief financial officer roles at three companies in the software, computer hardware and internet retailing industries, two of which were publicly traded. Mr. Jacobsen is a certified public accountant and received his bachelor’s degree in accounting from Idaho State University.
              • Marcia S. Kelbon, J.D., M.S.

                Vice President, Legal Affairs
                Ms. Kelbon joined Omeros as our vice president, patent and general counsel in October 2001 and has served as our secretary since September 2007. Prior to joining Omeros, Ms. Kelbon was a partner with the firm Christensen O'Connor Johnson & Kindness, 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 B.S. from The Pennsylvania State University.
                • Daniel G. Kirby

                  Vice President, Head of Commercial
                  Mr. Kirby joined Omeros in November 2018 as our vice president and head of commercial. Prior to Omeros, Mr. Kirby was the U.S. CAR T-cell commercial lead for Celgene, joining Celgene as part of the Juno Therapeutics acquisition. At Juno, Mr. Kirby built and led commercial functions in his role as vice president of market and market access. Prior to Celgene/Juno, Mr. Kirby was the head of marketing at Medivation and spent nearly 15 years in commercial leadership roles at Amgen. In his final role at Amgen, Mr. Kirby oversaw the U.S. customer-facing marketing efforts for the G-CSF franchise, NEULASTA® and NEUPOGEN®. Mr. Kirby’s experience also includes commercial roles at GlaxoSmithKline. Mr. Kirby holds an undergraduate degree from the University of Maryland at College Park.
                  • Eckhard S.D. Leifke, M.D.

                    Chief Medical Officer
                    Dr. Leifke joined Omeros as our vice president of clinical development in June 2018 and assumed the role as our chief medical officer in August 2018. He brings to Omeros more than 20 years of drug development experience, having built and headed global teams at leading pharmaceutical companies including Bayer, Takeda and, most recently, Sanofi where he was global project head/vice president of early project & external opportunities - cardiovascular and metabolism and global head/vice president of late-stage development diabetes. Dr. Leifke has led the global development of multiple early- and late-stage small-molecule and biologic drug candidates to successful market authorizations in the U.S., Europe, Japan and other countries. Dr. Leifke holds an M.D. from the University of Freiburg, Germany, and is board-certified in internal medicine and endocrinology.
                    • Justin McCue, Ph.D.

                      Vice President, Chemistry, Manufacturing and Controls
                      Dr. McCue joined Omeros as our vice president of chemistry, manufacturing and controls (CMC) in September 2018. Prior to joining Omeros, Dr. McCue headed the development of CAR T-cell and T-cell receptor (TCR) therapy manufacturing processes at Juno Therapeutics (now Celgene). Prior to Celgene, Dr. McCue was at Biogen between 2004 to 2017, where he held various positions of increasing responsibility within CMC, including director of manufacturing science, director of product quality management, and led Biogen’s CMC activities for the multi-billion dollar drugs AVONEX® and PLEGRIDY®. He began his career in the biopharmaceutical division at Millipore. Dr. McCue earned his Ph.D. in chemical engineering at Massachusetts Institute of Technology after receiving a degree in chemical engineering from the University of California at Berkeley.
                      • Peter B. Cancelmo, JD

                        Vice President, General Counsel and Corporate Secretary
                        Peter B. Cancelmo, JD, has served as our vice president, general counsel and corporate secretary since June 2019. He joined Omeros in January 2019 as deputy general counsel, corporate governance and securities. Prior to joining Omeros, Mr Cancelmo was a principal and shareholder with Garvey Schubert Barer, P.C., where he represented clients in the life sciences and other technology industries in mergers, acquisitions, strategic alliances, public and private securities offerings, and a range of other corporate, commercial and financial transactions. He served as chair of the firm’s business practice group from 2016 until his departure in December 2018. Before Garvey Schubert Barer, Mr Cancelmo practiced corporate and transactional law at Davies, Ward, Phillips and Vineberg LLP, in New York, and Choate, Hall & Stewart LLP, in Boston. Mr Cancelmo received his JD from Boston University and his BA from Saint Michael’s College.
                        • Tina Quinton, JD, MS

                          Vice President, Patents
                          Tina Quinton, JD, MS, has served as our vice president, patents since June 2019 after having served as deputy general counsel, patents since 2017 and associate general counsel, patents since 2012. Prior to joining Omeros, Ms Quinton was a partner with the firm Christensen O'Connor Johnson & Kindness, PLLC, where she represented clients in the biotechnology and medical sciences industries in all aspects of worldwide patent procurement and enforcement. Before Christensen O'Connor Johnson & Kindness, Ms Quinton was a research scientist at several biotechnology companies and centers, including ZymoGenetics, Targeted Genetics Corporation and Fred Hutchinson Cancer Research Center. Ms Quinton received her JD and her MS in Molecular and Cellular Biology from the University of Washington and her BS from Gordon College.
                          • Catherine A. Melfi, Ph.D.

                            Chief Regulatory Officer
                            Dr. Melfi joined Omeros as our vice president of regulatory affairs and quality systems in October 2012 and has served as our chief regulatory officer since April 2016. 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 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, including appointments in its economics department, in the school of public and environmental affairs, and in the Indiana University School of Medicine. Dr. Melfi received her Ph.D. in economics from the University of North Carolina – Chapel Hill and B.S. in economics from John Carroll University.
                            • J. Steven Whitaker M.D., J.D.

                              Vice President, Clinical Development
                              Dr. Whitaker has served as our vice president of clinical development since joining Omeros in March 2010, and served as our chief medical officer from March 2010 through August 2018. From May 2008 to March 2010, Dr. Whitaker served as the chief medical officer and vice president of clinical development at Allon Therapeutics, 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 company. From May 1994 until its acquisition by Eli Lilly and Company in 2007, Dr. Whitaker served at ICOS Corporation. At ICOS, he held roles of increasing responsibility in clinical research and medical affairs, most recently as divisional vice president of clinical research as well as medical director of the Cialis global product team. Dr. Whitaker received his M.D. from the Indiana University School of Medicine, his J.D. from the University of Washington and his B.S. from Butler University.