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William H. Collier
President and Chief Executive Officer

Mr. Collier joined Arbutus in June 2019 and serves as the Company’s President and Chief Executive Officer and Director. Mr. Collier has over 30 years of experience as a senior executive in the pharmaceutical industry and previously served as President and General Manager, North America at ViiV Healthcare. At ViiV he led the industry-leading launches of several new treatments for HIV. Prior to joining ViiV in 2009, Mr. Collier held multiple senior leadership roles at GlaxoSmithKline. Earlier in his career he led the launches of new treatments for herpes and bacterial infections. Mr. Collier received his BSc in Mathematics and Management Sciences from the University of Manchester Institute of Science & Technology, UK, and served on The President’s Advisory Council on HIV/AIDS from 2014 to 2017.

    Michael J. Sofia PhD
    Chief Scientific Officer

    Dr. Sofia joined Arbutus in 2015 and serves as the Company’s Chief Scientific Officer. Dr. Sofia was one of OnCore's co-founders and served as its Chief Scientific Officer and Head of Research and Development since July 2014. He previously served as President and a member of its board of directors from May 2012 to August 2014. Since April 2012, Dr. Sofia has been a professor at the Baruch S. Blumberg Institute and since March 2013, Dr. Sofia has been an adjunct professor at the Drexel University School of Medicine. Previously, Dr. Sofia was the Senior Vice-President, Chemistry, Site Head and then Senior Advisor at Gilead Sciences, Inc. from January 2012 to December 2012. Prior to that, Dr. Sofia was the Senior Vice-President, Chemistry at Pharmasset, Inc. from August 2005 to January 2012 where he was responsible for the discovery of sofosbuvir, which ultimately resulted in the acquisition of Pharmasset by Gilead for $11 billion. From 1999 to 2005, Dr. Sofia served as a Group Director, New Leads Chemistry at Bristol-Myers Squibb. From 1993 to 1999, Dr. Sofia established and directed the research programs at Transcell Technologies, first as Director of Chemistry and then as Vice-President of Research. Dr. Sofia received his B.A. degree from Cornell University, his Ph.D. degree from the University of Illinois at Urbana-Champaign and was an NIH postdoctoral fellow at Columbia University. Dr. Sofia has won numerous awards for his work in the field of antiviral therapy including the Lasker-Debakey Clinical Medical Research Award for his outstanding discovery, contribution, and achievement in the field of medicine, the prestigious Cameron Prize for Therapeutics from the University of Edinburg in recognition for his discovery of sofosbuvir, an approved drug which cures hepatitis C virus infection (HCV) and the Economist's 2015 Innovation Award in the Bioscience category for developing a rapid cure for HCV.

      Gaston Picchio PhD
      Chief Development Officer

      Dr. Picchio joined Arbutus in October 2018 and serves as the Company’s Chief Development Officer. Previously, Dr. Picchio was with Janssen R&D, bringing with him over thirty years of basic and clinical experience in the field of human virology, and sixteen years of industry experience dedicated to the development of antiviral drugs including drug approvals for the treatment of HIV (etravirine and rilpivirine) and HCV (telaprevir and simeprevir). In 2015, Dr. Picchio was a recipient of the Johnson Medal for the development of telaprevir and simeprevir and combinations thereof. Prior to joining Arbutus us, Dr. Picchio served in various senior management positions at Janssen R&D, including Vice President—Scientific Innovation Infectious Diseases & Vaccines, Vice President—Hepatitis Disease Area Leader and Vice President—Clinical Virology Infectious Diseases & Vaccines. Dr. Picchio received a Masters in Molecular Biology from University Centro de Altos Estudios en Ciencias Exactas, Buenos Aires, and a PhD degree from University of Buenos Aires, Argentina. 

        David C. Hastings
        Chief Financial Officer
        David C. Hastings

        Mr. Hastings joined Arbutus in June 2018 and serves as the Company’s Chief Financial Officer. Mr. Hastings previously served as the Chief Financial Officer and Executive Vice President of Incyte Corporation from 2003 until 2014. During this time, Mr. Hastings oversaw all financial aspects as Incyte transitioned from research and development to commercialization, following the launch of Jakafi®(ruxolitinib). Mr. Hastings also previously served as Vice President, Chief Financial Officer and Treasurer of ArQule Inc. During his tenure at ArQule, he played an important role in ArQule's transition into a drug discovery and development organization, and in two strategic acquisitions, including the purchase of Cyclis Pharmaceuticals Inc. Prior to that, Mr. Hastings was with Genzyme Corporation as its Vice President and Corporate Controller, and with Sepracor, Inc. where he was Director of Finance. Most recently, Mr. Hastings served as the Chief Financial Officer and Senior Vice President of Unilife Corporation (a medical device company) from 2015 to 2017 and as its Chief Accounting Officer and Treasurer from 2016 to 2017.

          Elizabeth Howard PhD, JD
          EVP, General Counsel and Chief Compliance Officer

          Dr. Elizabeth Howard serves as our EVP, General Counsel and Chief Compliance Officer. Dr. Howard has been practicing law for more than 20 years.  Prior to joining Arbutus in March 2016, she was an intellectual property partner at Orrick, where she co-chaired Orrick's life sciences practice focusing on patent infringement litigation.  Her practice also included trade secrets disputes and handling anti-counterfeiting matters in the pharmaceutical industry.  In addition to litigating in numerous federal district courts and California state courts, Dr. Howard has appeared before the U.S. Patent and Trademark Office in interference proceedings, arbitrated before numerous tribunals, and litigated before the U.S. International Trade Commission (ITC).  Dr. Howard also served as a deputy district attorney in the county of Santa Clara.  Additionally, Dr. Howard counseled clients in negotiation and drafting of agreements in licensing or other technology transactions.  She also speaks and publishes regularly on intellectual property matters affecting the life sciences industry.  Dr. Howard has been listed as a "leading lawyer" in “PLC Which Lawyer" for her litigation successes in life sciences, and named to the Daily Journal's list of "Top 75 IP Litigators in California" in 2013.  Before law school, Dr. Howard was an NSF Plant Molecular Biology Postdoctoral Fellow at the CSIRO Division of Plant Industry in Canberra, Australia, and a Research Geneticist at the University of California, Berkeley. Dr. Howard obtained her doctorate with Dr. Elizabeth Blackburn (2009 Nobel Laureate, Physiology or Medicine).  Dr. Howard holds a B.A. with honors from the University of California, Santa Barbara, a Ph.D. in Molecular Biology from the University of California, Berkeley, a J.D. from the University of California, Hastings College of the Law, and is a member of the United States Patent Bar.

            Michael J. McElhaugh
            Chief Business Officer
            McElhaugh thumbnail

            Mr. McElhaugh has served as our Chief Business Officer since December 2018 and has been with us since July 2014. Mr. McElhaugh was one of the co-founders of OnCore Biopharma and served as its Chief Operating Officer before OnCore was acquired by the Company in March 2015. Previously, from March 2012 to May 2014 he was the Director, Hepatitis C Worldwide Commercialization at Bristol-Myers Squibb, a pharmaceutical company. Prior to Bristol-Myers Squibb, Mr. McElhaugh was the Director, Business Development and Market Analytics at Pharmasset, Inc. from September 2008 until its acquisition by Gilead Sciences Inc. in January 2012 and remained in that position after the acquisition until March 2012. He also previously held various positions at Viropharma, Inc. and at Merck and Co., Inc. Mr. McElhaugh received his B.S. degree from St. Joseph’s University, his M.S. degree from Thomas Jefferson University and his M.B.A. degree from the Johnson Graduate School of Management at Cornell University.