Image of Scott Koenig, M.D., Ph.D.

Dr. Koenig has been our President and Chief Executive Officer and a director since September 2001 and was one of our co-founders. Prior to joining us, Dr. Koenig served as Senior Vice President of Research at MedImmune Inc., where he participated in the selection and maturation of their product pipeline. From 1984 to 1990, he worked in the Laboratory of Immunoregulation at the National Institute of Allergy and Infectious Diseases at the National Institutes of Health, where he investigated the immune response to retroviruses and studied the pathogenesis of AIDS. Dr. Koenig currently serves as Chairman of the Board of Directors of Applied Genetic Technologies Corporation and the Children's Research Institute. Additionally, Dr. Koenig serves on the Board of Directors of Children's National Medical Center, the International Biomedical Research Alliance, and the Biotechnology Industry Organization (BIO). Dr. Koenig received his A.B. and Ph.D. from Cornell University and his M.D. from the University of Texas Health Science Center in Houston. We believe that Dr. Koenig's detailed knowledge of our company and his over 29 years in research and the biotechnology industry provide a valuable contribution to our board of directors.

Image of James Karrels

Mr. Karrels, Senior Vice President and Chief Financial Officer, joined us in May 2008 and has over 20 years of experience in finance, including approximately 15 years working for, or on behalf of, life sciences companies. Prior to joining us, he was at Jazz Pharmaceuticals, Inc., most recently serving as Executive Director of Finance, where he was responsible for the company's financial planning and analysis and investor relations activities. Prior to joining Jazz Pharmaceuticals, Mr. Karrels spent 11 years in the Investment Banking Group at Merrill Lynch, most recently serving as a Director in the Global Healthcare Group. Mr. Karrels holds an M.B.A. from Stanford University and a B.B.A. from the University of Notre Dame.

Image of Jon Wigginton, M.D.

Dr. Wigginton joined us as Senior Vice President, Clinical Research in August 2013 and was promoted to Chief Medical Officer in March 2016. Dr. Wigginton was previously the Therapeutic Area Head, Immuno-Oncology, Early Clinical Research and Executive Director, Discovery Medicine-Clinical Oncology at Bristol-Myers from October 2008 to August 2013. While there, he led the early clinical development of the Bristol-Myers’ Immuno-Oncology portfolio including anti-PD-1 and anti-PD-L1. Prior to joining Bristol-Myers, Dr. Wigginton was the Director of Clinical Oncology at Merck Research Laboratories from May 2006 to October 2008, where he led early- and late-stage clinical development teams for small molecules and biologics. During his academic career, Dr. Wigginton held several positions at the National Cancer Institute Center for Cancer Research (NCI-CCR), including Head of Investigational Biologics Section, Pediatric Oncology Branch. Dr. Wigginton received his M.D. and B.S. in Biology from the University of Michigan.

Image of Ezio Bonvini, M.D.

Dr. Bonvini, Senior Vice President, Research and Chief Scientific Officer, joined us in June 2003. From 1985 to 2003, Dr. Bonvini was with the FDA in the Center for Biologics Evaluation and Research, or CBER, which is responsible for regulating therapeutic monoclonal antibodies and other proteins, ultimately serving as Acting Deputy Director, Division of Monoclonal Antibodies and Chief, Laboratory of Immunobiology. From 1982 to 1984, Dr. Bonvini was a Visiting Fellow at the National Cancer Institute at the National Institutes of Health. Dr. Bonvini received a Diploma in Science from the Scientific Lyceum in Genoa, Italy, and his M.D. and Specialty Certification in Clinical Hematology from the University of Genoa, School of Medicine.

Image of Eric Risser

Mr. Risser, Senior Vice President, Business Development & Portfolio Management and Chief Business Officer, joined us in March 2009. Prior to joining us, Mr. Risser held the position of Senior Director, Business Development in the pharmaceutical group at Johnson & Johnson, where he worked from 2003 to 2009. Before Johnson & Johnson, Mr. Risser started and built a consulting practice that provided counsel to emerging life science companies in the United States and Europe. Earlier in his career, Mr. Risser held venture capital and investment banking positions with BA Venture Partners and Lehman Brothers Holdings Inc., respectively. Mr. Risser holds an M.B.A. from Stanford University and a B.A. from Yale University.

Image of Atul Saran

Mr. Saran, Senior Vice President and General Counsel, joined us in April 2014. Before joining MacroGenics, Mr. Saran spent over a decade at AstraZeneca and MedImmune. From May 2013 through January 2014, Mr. Saran was Vice President, Corporate Development and Ventures for AstraZeneca PLC. During that time, he was responsible for AstraZeneca's global corporate development strategies and also chaired the MedImmune Ventures Investment Committee. From January 2011 through May 2013, Mr. Saran was Senior Vice President, Corporate Development and Ventures for MedImmune, the biologics business for AstraZeneca. During that time, he was responsible for corporate and business development, government contracting and oversight for MedImmune Ventures. From February 2003 through December 2010, Mr. Saran had positions of increasing responsibility in the MedImmune legal department, both before and after its acquisition by AstraZeneca, culminating as Vice President and Deputy General Counsel, the role he held from September 2008 through December 2010. Before joining MedImmune, Mr. Saran was a practicing attorney in the private equity/emerging business group at Hogan & Hartson, LLP in Washington, DC. Mr. Saran holds an M.B.A. from the MIT Sloan School of Management, a J.D. from the University of Illinois College of Law and a B.S. in biological sciences from Stanford University. He is a member of the bar in the State of California and in the District of Columbia. Mr. Saran served on the board of directors for Xencor, Inc. from August 2011 through January 2014, and also previously served on the board of directors of Arriva Pharmaceuticals, Inc. and Inotek Pharmaceuticals Corporation. He is currently a member of the board of directors of VentiRx Pharmaceuticals, Inc.

Image of Tom Spitznagel, Ph.D.

Dr. Spitznagel, Senior Vice President, BioPharmaceutical Development and Manufacturing, joined us in 2013.  He has overall responsibility for both biopharmaceutical development and manufacturing of MacroGenics’ Fc-optimized monoclonal antibodies and Dual-Affinity Re-Targeting (DART®) antibody-like molecules, as well as facilities.  Prior to joining us, he was at Human Genome Sciences, most recently serving as Vice President of BioPharmaceutical Development, where he was responsible for oversight of Analytical Development, Formulation and Drug Delivery, Purification Sciences, and Fermentation and Cell Culture Sciences.  Prior to joining HGS, Dr. Spitznagel was a Senior Scientist at Nabi from 1996-1998, and a Staff Engineer at Genetics Institute from 1992-1996.  Dr. Spitznagel earned his BS in Chemical Engineering at M.I.T, and his Ph.D. in Chemical Engineering at the University of California, Berkeley.

Image of Lynn Cilinski

Ms. Cilinski, Vice President, Controller and Treasurer, joined us in October 2003. Prior to joining us, Ms. Cilinski spent a year as a consultant to various companies providing services to the government. Prior to that, she spent more than 20 years with Covanta Energy Inc. (formerly Ogden Corporation) where she held the position of Corporate Controller for four subsidiary companies that provided services to the federal government. Ms. Cilinski holds a B.S. from Strayer University.

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