Board of Directors

H. Stewart Parker


H. Stewart Parker has been a member of our Board of Directors since June 2014. Ms. Parker has over 30 years of experience in the biotechnology industry . She served as the chief executive officer of The Infectious Disease Research Institute (IDRI), a not-for-profit global health research institute from March 2011 to December 2013. In 1992, Ms. Parker founded Targeted Genetics Corporation, a publicly traded Seattle -based biopharmaceutical company formed to develop gene-based treatments for acquired and inherited diseases that became a world leader in AAV gene therapy. She held the position of President and CEO and was a member of its board of directors from the company's inception until November 2008. Prior to founding Targeted Genetics, Ms. Parker served in various capacities at Immunex from August 1981 through December 1991, most recently as vice president, corporate development. From February 1991 to January 1993, Ms. Parker served as president and a director of Receptech Corporation, a company formed by Immunex in 1989 to accelerate the development of soluble cytokine receptor products. She has served on the board of directors and the executive committee of BIO, the primary trade organization for the biotechnology industry. She currently serves as a member of the board of directors for several for-profit and non-profit companies including C3 Jian Inc, Oncogenex Technologies Inc and IDRI and on the advisory boards of the University of Washington Foster School of Business and College of Arts & Sciences. Ms. Parker received her B.A. and M.B.A. from the University of Washington.

Joseph S. Zakrzewski


Mr. Zakrzewski has over 25 years of experience in the biopharmaceutical industry with senior leadership experience in R&D, supply chain and manufacturing operations, business development and commercialization. From 2010 through 2013, he was Chairman and CEO of Amarin Pharmaceuticals, where he led the development and commercialization of the company's first product, Vascepa. Mr. Zakrzewski previously served as a Venture Partner with Orbimed Advisors, a venture capital firm, and as Chairman, President and CEO of Xcellerex, a privately held company focused on the commercialization of its proprietary manufacturing technology for biotherapeutics and vaccines. Earlier, he served as COO of Reliant Pharmaceuticals before its acquisition by GlaxoSmithKline in 2007 and held various executive positions at Eli Lilly & Company in the areas of R&D, manufacturing, finance and business development. Mr. Zakrzewski currently serves as a member of the board of directors of various public and private companies, including Acceleron Pharma, Amarin Pharmaceuticals Insulet Corporation and Onxeo SA where he serves as Chairman. Mr. Zakrzewski received a B.S. in Chemical Engineering and an M.S. in Biochemical Engineering from Drexel University, and an M.B.A. in Finance from Indiana University.

Robert Carey

Executive Vice President and CBO of Horizon Pharma, plc

Robert F. Carey has served as a member of Sangamo's Board of Directors since June 2016. Mr. Carey currently serves as Executive Vice President and Chief Business Officer of Horizon Pharma, plc, a biopharmaceutical company with nine commercialized medicines though its orphan, rheumatology and primary care units. He also serves as a member of the Board of Directors of Argos Therapeutics, Inc., a biopharmaceutical company focused on the development and commercialization of personalized immuntherapies for the treatment of cancer and infectioius diseases. Before joining Horizon Pharma, he served as managing director and head of the healthcare investment banking group at JMP Securities LLC from March 2013 to March 2014. Prior to that, Mr. Carey served as a managing director in the healthcare groups at Dresdner Kleinwort Wasserstein and Vector Securities International, Inc. He has also held roles at Shearson Lehman Hutton and Ernst & Whinney. Mr. Carey received a B.S. in Accounting from the Univesity of Notre Dame.

Roger Jeffs, Ph.D.


Dr. Jeffs currently serves as a Senior Advisor to United Therapeutics Corp., where he worked for 18 years, most recently as President and co-CEO. He has over 25 years of experience in the biopharmaceutical industry in R&D, clinical development, regulatory and medical affairs. While at United Therapeutics, Dr. Jeffs led the clinical development, regulatory approval and commercialization of six rare disease products. Prior to joining United Therapeutics, he held positions in clinical development at Amgen, Inc. and Burroughs Wellcome Co. Dr. Jeffs currently serves as a member of the board of directors of Axsome Therapeutics and Dova Pharmaceuticals. He received a B.A. in Chemistry from Duke University and his Ph.D. in Pharmacology from the University of North Carolina.

Stephen Dilly, M.B.B.S., Ph.D.

CEO of Aimmune Therapeutics

Stephen G. Dilly, M.B.B.S., Ph.D., has served as a member of our Board of Directors since March 2010. From May 2014 he has served as CEO of Aimmune Therapeutics.  Prior to that, from December 2011 to December 2012 Dr. Dilly was CEO of PhotoThera, Inc., a medical device company with a product in Phase III clinical trials for the treatment of ischemic stroke. From 2006 to 2011, Dr. Dilly  served as President and Chief Executive Officer and a member of the Board of Directors of APT Pharmaceuticals, Inc. From 2003 to 2006, he served as Chief Medical Officer and Senior Vice President of Development of Chiron BioPharma, a biotechnology company which was later acquired by Novartis International AG. From 1998 to 2003, he held various management positions at Genentech Inc., including Vice President of Development Sciences from 2002 to 2003. From 1988 to 1998, Dr. Dilly held various management positions in drug development with SmithKline Beecham in the U.K. During his career, Dr. Dilly has been closely associated with the development and launch of marketed drugs for many therapeutic areas, including Kytril, Paxil, Kredex, Requip, TNKase, Xolair, Avastin, Raptiva, Tarceva, Lucentis and Cubicin. Dr. Dilly currently serves as a member of the Advisory Board of Physic Ventures and the National Board of Advisors of the UC Davis Health System. In 1982, Dr. Dilly earned his M.B.B.S., the equivalent of an M.D. in the U.S., from the University of London in the U.K. and received his Ph.D. in Cardiac Physiology from University of London in 1988.

Sandy Macrae, M.B., Ch.B., Ph.D.

Sandy Macrae, M.B., Ch.B., Ph.D.

President and CEO

Sandy Macrae, M.B., Ch.B., Ph.D., has served as Sangamo’s President and Chief Executive Officer and as a member of the Board of Directors since June 2016. He has twenty years of experience in the pharmaceutical industry most recently serving as the Global Medical Officer of Takeda Pharmaceuticals, from 2012 to March 2016, where he established and led the Global Medical Office, which encompasses medical affairs, regulatory affairs, pharmacovigilance, outcomes research and epidemiology, quantitative sciences and knowledge and informatics. From 2001 to 2012, Dr. Macrae held roles of increasing responsibility at GlaxoSmithKline, including Senior Vice President, Emerging Markets Research and Development (R&D), from 2009 to 2012. In that position, he provided expertise and resources to create a first-of-its-kind group to expand GSK’s global reach by providing R&D strategies, clinical development and regulatory resources to enter emerging markets and Asia-Pacific. From 2007 to 2008, he was Vice President, Business Development. In that position, he was responsible for scientific assessment and business development project leadership for the neurology, psychiatry, cardiovascular and metabolic therapeutic areas. Earlier in his career, he worked for SmithKline Beecham, where he was responsible for clinical development in the therapeutic areas of neurology and gastroenterology. Dr. Macrae received his B.Sc. in pharmacology and his M.B., Ch.B. with honors from Glasgow University. He is a member of the Royal College of Physicians. Dr. Macrae also earned his Ph.D. in molecular genomics at King’s College, Cambridge.

Steven Mento, Ph.D

President and CEO of Conatus Pharmaceuticals, Inc.

Steven Mento has served as a member of our Board of Directors since May, 2005. He is President and Chief Executive Officer of Conatus Pharmaceuticals Inc. From 1997 to 2005 he was President and CEO of Idun Pharmaceuticals and prior to that, from 1982 to 1992, Dr. Mento held various positions at American Cyanamid Company. His last position was Director of Viral Vaccine Research and Development at Lederle-Praxis Biologicals, a business unit of American Cyanamid Company. In January of 1992, he joined Viagene, Inc. as Vice President of Research and Development. Dr. Mento was responsible for directing the company's transition from basic research through initiation of the first company sponsored Phase I and Phase II clinical trials in the emerging field of gene therapy. In October of 1995, Chiron Corporation acquired Viagene, Inc., and renamed the company Chiron Viagene, Inc. Dr. Mento served as President of Chiron Viagene, Inc. and Vice President of Chiron Corporation until August of 1997. As President, Dr. Mento had overall responsibility for gene therapy research, product development, QA/ QC, GMP manufacturing as well as general administration functions at Chiron Viagene. Dr. Mento currently serves on the Boards of BIOCOM, the Biotechnology Organization (BIO), the BIO Health Section Governing Body, the BIO ECS Governing Body, the Donald P. Shiley BioSciences Center at SDSU Scientific Advisory Board, and Cal State San Marcos Advisory Council. Dr. Mento holds Bachelor of Arts, Master of Science, and Ph.D. degrees in microbiology from Rutgers University. He did his post-doctoral fellowship in somatic cell genetics at the University of Toronto.

Saira Ramasastry

Managing Partner of Life Sciences Advisory

Saira Ramasastry has served as a member of our Board of Directors since June 2012. Since April 2009 she has served as Managing Partner of Life Sciences Advisory, LLC, a company that she founded to provide strategic advice and business development solutions for life science companies. From 1999 to 2009, Ms. Ramasastry was an investment banker with Merrill Lynch & Company, Inc. where she helped establish the biotechnology practice and was responsible for origination of mergers and acquisitions (M&A), strategic and capital markets transactions. Prior to joining Merrill Lynch she served as a financial analyst in the M&A group at Wasserstein Perella & Co., an investment banking firm. Ms. Ramasastry currently serves on the Industry Advisory Board of the Michael J. Fox Foundation for Parkinson's Research, the board of directors of Pain Therapeutics and Repros Therapeutics, and lead business advisor for the European Prevention of Alzheimer's Dementia (EPAD) consortium. She received a B.A. in Economics with Honors and Distinction and an M.S. in Management Science and Engineering from Stanford University as well as an M. Phil. in Management Studies from the University of Cambridge, where she is a guest lecturer for the Bioscience Enterprise Programme and serves on the Cambridge Judge Business School Advisory Council.

William Ringo


William R. Ringo has served as a member of our Board of Directors since April 2010. From April 2008 until his retirement in April 2010, Mr. Ringo was the Senior Vice President of Business Development, Strategy and Innovation at Pfizer Inc. and was responsible for guiding Pfizer’s overall strategic planning and business development activities. Prior to joining Pfizer, he served as an executive in residence at Warburg Pincus and Sofinnova Ventures. From August 2004 to April 2006, Mr. Ringo was President and Chief Executive Officer of Abgenix, Inc., a biotechnology firm focused on developing human antibodies as agents to treat cancer and other serious diseases. At Abgenix, he led efforts to transform the organization into a more focused product company by strengthening the senior management team and enhancing an existing partnership with Amgen, which acquired Abgenix in 2006. Mr. Ringo began his career at Eli Lilly & Company in 1973 and during his 28-year tenure he held a number of senior positions, including Product Group President for Oncology and Critical Care, President of Internal Medicine Products, President of the Infectious Diseases Business Unit and Vice President of Sales and Marketing for U.S. Pharmaceuticals. He retired from Lilly in 2001. From 2001 to 2007, he served on various boards of directors, including Encysive Pharmaceuticals, Inc., Inspire Pharmaceuticals, Inc. and InterMune, Inc. where he was the non-executive chairman of the Board of Directors after serving as interim Chief Executive Officer from June to September 2003. Mr. Ringo serves on the Board of Directors of BioCrossroads, a public-private collaboration of corporate, university, government and entrepreneurial leaders that supports Indiana’s life sciences research and corporate strengths in life sciences while encouraging business development in the region. In August 2014, he was appointed to the board of directors of Dermira, a specialty biopharmaceutical company focused on the development of medical dermatology products. Mr. Ringo received a B.S. in Business Administration and an M.B.A. from the University of Dayton.

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