Verastem VSTM

Daniel Paterson is a Class III director who has served as our Chief Executive Officer, and as a member of the Board of Directors since August 2023, our President since June 2019, in addition to serving as our Chief Operating Officer from December 2014 to July 2023, our Chief Business Officer from July 2013 to December 2014 and as our Vice President, Head of Corporate Development and Diagnostics from March 2012 until July 2013. Prior to joining us in March 2012, Mr. Paterson was a consultant in 2011. From 2009 through 2010, Mr. Paterson was the Chief Operating Officer of On-Q-ity. Mr. Paterson was the President and Chief Executive Officer of The DNA Repair Company from 2006 until 2009, when it was acquired by On-Q-ity. Previously, he held senior level positions at IMS Health, CareTools, OnCare, and Axion. Mr. Paterson holds a B.A. in Biology from Boston University, and attended the Northeastern University Graduate Pharmacology program.

Daniel Calkins, has served as our Chief Financial Officer since October 2023, prior to which Mr. Calkins served as our Vice President, Finance from September 2022 to October 2023, as our Corporate Controller from March 2020 to September 2022, as our Assistant Controller from May 2019 to March 2020, and as our Associate Director, SEC Reporting and Technical Accounting from December 2018 to May 2019. Prior to joining us in December 2018, Mr. Calkins held various positions of increasing responsibility at CFGI from May 2013 to December 2018. Prior to CFGI, Mr. Calkins began his career at PwC LLP in the assurance practice. Mr. Calkins holds a B.S. in Accounting from Bryant University and M.S. in Accounting from Northeastern University.

Michael Kauffman M.D., Ph.D. is a Class I director who has served as our President of Development since December 2025, a member of our Board of Directors since November 2012 and our Lead Director from June 2016 through December 2025. Prior to his role as President of Development, he was the Chief Executive Officer, president and board member of Nereid Therapeutics Inc. Dr. Kauffman was the cofounding Chief Executive Officer and acting Chief Medical Officer of Karyopharm Therapeutics Inc., a publicly traded commercial stage biotechnology company, from January 2011 to April 2021 and senior clinical advisor from May 2021 to May 2022. Prior to this, Dr. Kauffman was the Chief Medical Officer of Onyx Pharmaceuticals, Inc., a publicly traded biotechnology company, from November 2009 until December 2010. Dr. Kauffman was the Chief Medical Officer of Proteolix, Inc., a privately held pharmaceutical company, from April 2009 until November 2009, when it was acquired by Onyx Pharmaceuticals, Inc., and he was Chairman of the Board of Proteolix prior to becoming the Chief Medical Officer. Dr. Kauffman was an Operating Partner at Bessemer Venture Partners from 2008 to 2009. From September 2002 until July 2008, Dr. Kauffman was the President and Chief Executive Officer of EPIX Pharmaceuticals, Inc., a publicly traded biotechnology company. Dr. Kauffman joined Predix Pharmaceuticals, Inc., the predecessor to EPIX, in September 2002, as President and Chief Executive Officer. From 1997 to 2002, he held a number of senior medical and program leadership positions at Millennium Pharmaceuticals, Inc., then a publicly traded biotechnology company, including Vice President, Medicine and VELCADE Program Leader as well as co-founder and Vice President of Medicine at Millennium Predictive Medicine, a wholly-owned subsidiary of Millennium. Dr. Kauffman also served as Medical Director at Biogen Corporation (now Biogen, Inc., a publicly traded biotechnology company). He also currently serves on the board of directors of Kezar Biosciences and several private biotechnology companies. Dr. Kauffman previously served on the Board of directors of Karyopharm Therapeutics, Inc., Zalicus, Inc., EPIX Pharmaceuticals, Inc., Predix Pharmaceuticals Inc. and Proteolix Inc., and Bioenvision Inc. Dr. Kauffman received an M.D. and Ph.D. in molecular biology and biochemistry from Johns Hopkins University and holds a B.A. in biochemistry from Amherst College. Dr. Kauffman trained in Internal Medicine at Beth Israel Deaconess and rheumatology at Massachusetts General Hospitals, and is board certified in internal medicine.

Eric Rowinsky, M.D. is a Class I director who has served as a member of our Board of Directors since May 2017. Since 2016, Dr. Rowinsky has served as a consulting Chief Medical Officer and/or independent advisor/consultant to several biopharmaceutical companies and investment funds, including RRD International, Biocity, Nectin, Biovetrx, Antido, Vaxxas, Aleta, Innovative Cellular Therapeutics, Neophore, SEED Therapeutics, C-Bridge Capital, DROIA, and others, providing expertise in developing and registering a novel cancer therapeutic. Dr. Rowinsky has served as a consulting Chief Medical Officer for RRD International, a life-science company that advises biopharma on therapeutic development and registrational strategies since May 2025. From July 2021 to March 2023, Dr. Rowinsky served as a part-time Chief Medical Officer of Hummingbird Biotherapeutics, a life-science company. From 2015 to 2023, Dr. Rowinsky served as Executive Chairman of the board of directors and President of Inspira, Inc. (formerly Rgenix, Inc.) and served as its President, Chairman of the Scientific Advisory Board, and Director until March 2025. Dr. Rowinsky served as Executive Vice President, Chief Medical Officer and Head of Research and Development of Stemline Therapeutics, Inc., a clinical-stage biopharmaceutical company, from November 2011 until October 2015. Prior to joining Stemline, Dr. Rowinsky was co-founder and Chief Executive Officer of Primrose Therapeutics, Inc., a start-up biotechnology company, from June 2010 until its acquisition in September 2011. Dr. Rowinsky also served as a drug development and regulatory strategy consultant to the ImClone-Lilly Oncology Business Unit and several other biopharmaceutical and life sciences companies from 2010 to 2011. From 2005 to 2009, Dr. Rowinsky was Executive Vice President and Chief Medical Officer of ImClone Systems Inc., where he led the FDA approval of Erbitux for head and neck and colorectal cancers and advanced eight other monoclonal antibodies through clinical development. From 1996 to 2004, Dr. Rowinsky held several positions at the Cancer Therapy and Research Center, including Director of the Institute of Drug Development, or IDD, and the SBC Endowed Chair for Early Drug Development at the IDD. From 1996 to 2006, Dr. Rowinsky was a Clinical Professor of Medicine at the University of Texas Health Science Center at San Antonio. From 1988 to 1996, Dr. Rowinsky was an Associate Professor of Oncology at The Johns Hopkins University School of Medicine. Dr. Rowinsky was a longstanding National Cancer Institute principal and co-principal investigator from 1990 to 2004, and was integrally involved in pivotal clinical and preclinical investigations that led to the development of numerous cancer therapeutics, including paclitaxel, docetaxel, topotecan, irinotecan, erlotinib, gefitinib, ramucirumab, tagraxofusp and temsirolimus among others. Dr. Rowinsky was also an Adjunct Professor of Medicine at New York University School of Medicine (2008-2018). Dr. Rowinsky presently serves on the boards of directors of the public companies Biogen Idec, Inc., Fortress Biotech, Inc., and Purple Biotech Ltd. Dr. Rowinsky received a B.A. degree from New York University (1977) and an M.D. degree from Vanderbilt University School of Medicine (1981). Dr. Rowinsky completed his residency in internal medicine at the University of California, San Diego (1984) and completed his fellowship in medical oncology at The Johns Hopkins Oncology Center (1987). He has authored more than 315 peer-reviewed manuscripts, and serves as an editor of several cancer journals.

Anil Kapur is a Class III director who has served as a member of our Board of Directors since October 2022. Mr. Kapur served as Executive Vice President, Corporate Strategy and Chief Commercial Officer of Geron Corporation from December 2019 to August 2024. Prior to joining Geron, Mr. Kapur was Chief Commercial Officer at Actinium Pharmaceuticals, Inc., a clinical stage biopharmaceutical company, from February 2018 to November 2019. From October 2016 until February 2018, Mr. Kapur was Vice President, Head of Early Assets, Biomarkers and External Innovation for Worldwide Oncology Commercialization at Bristol-Myers Squibb Company, a global biopharmaceutical company. Mr. Kapur served as Vice President, Global Head of Commercial and Portfolio Strategy at Baxalta, Incorporated, a biopharmaceutical company, in a newly created Oncology Division, from November 2015 until after its acquisition by Shire plc in July 2016. Before joining Baxalta, Mr. Kapur held marketing and sales leadership roles of increasing responsibility during his 15-year tenure at the Janssen Pharmaceutical Companies of Johnson & Johnson (Janssen). As Vice President, Commercial Leader, Hematology Franchise in Janssen's Global Commercial Strategy Organization, he led the development and execution of commercial strategy and launch plans for in-market development, late development, and early pipeline assets, including imetelstat. Among Mr. Kapur's most recognized achievements while at Janssen were the successful global launches of two transformational blockbuster hematology-oncology drugs, Imbruvica and Darzalex. Mr. Kapur presently serves on the board of directors of the public company Nurix Therapeutics, Inc. Mr. Kapur holds a Bachelor of Engineering from Birla Institute of Technology in India; an M.S. in Industrial Engineering from Louisiana Tech University; and an M.B.A. from the Fuqua School of Business at Duke University.

Michelle Robertson is a Class III director who has served as a member of our Board of Directors since November 2021. Ms. Robertson is the Executive Vice President and Chief Financial Officer of Geron Corporation. Prior to joining Geron, Ms. Robertson served as Chief Financial Officer of Editas Medicine, Inc, a publicly traded company, since January 2020. Ms. Robertson previously served as the Chief Financial Officer of Momenta Pharmaceuticals, Inc. (Momenta), a publicly traded biotechnology company, from October 2018 until January 2020, and as Vice President, Financial Planning and Analysis of Momenta from May 2017 to October 2018. From 2015 to 2016, Ms. Robertson was Vice President, Oncology Finance for Baxalta, Inc., a biopharmaceutical company, following its spin-off from Baxter International. From 2012 to 2015, Ms. Robertson served as Head of Financial Planning and Analysis and Operations Excellence at Ironwood Pharmaceuticals, Inc., and prior to that, held various Finance and Commercial Operations-leadership positions in the Oncology and Biosurgery divisions at Genzyme Corporation (now Sanofi Genzyme), a biotechnology company. Ms. Robertson received her B.S. in Finance from Bentley University.

Brian Stuglik R.Ph. is a Class II director who served as our Chief Executive Officer from July 2019 through July 2023 and has served as a member of our Board of Directors since September 2017. Mr. Stuglik founded Proventus Health Solutions, LLC, a consulting company for pharmaceutical and biotechnology companies, in January 2016 and has over three decades of experience in U.S. and international pharmaceutical development, product strategy, and commercialization. Prior to founding Proventus Health Solutions, Mr. Stuglik served as the Vice President and Chief Marketing Officer for the oncology division of Eli Lilly and Company, from 2009 to December 2015. Mr. Stuglik currently serves on the board of directors of publicly traded Oncopeptides AB (STO: ONCO) and Puma Biotechnology, Inc. (Nasdaq: PBYI). Mr. Stuglik received a Bachelor of Science in Pharmacy from Purdue University.

John Johnson is a Class I director who has served as a member of our Board of Directors since April 2020 and as our Lead Director since December 2025. From December 2024 through November 2025, Mr. Johnson was the Executive Chairman of Applied Therapeutics. Mr. Johnson has served as a member of the board of directors of Reaction Biology, a privately held company, since March 2022, and served as that company's Chief Executive Officer from March 2022 until December 2024 and resigned as Chief Executive Officer but remains on the board effective December 2024. Mr. Johnson was the Chief Executive Officer of Strongbridge Biopharma plc, a publicly traded biopharmaceutical company, from July 2020 until the company was acquired by Xeris Biopharma Holdings, Inc. in October 2021 and he currently sits on the board of directors of Xeris Biopharma Holdings, Inc. Mr. Johnson was a member of Strongbridge Biopharma Plc's board of directors from March 2015 until October 2021. Mr. Johnson recently served as chairman of publicly traded company Autuolus Therapeutics plc from September 2022 through April 2024. Mr. Johnson served as a board member of Melinta Pharmaceuticals, Inc. through September 2019, having served as Chief Executive Officer from February 2019 through August 2019 and as interim Chief Executive Officer from October 2018 through February 2019. Melinta Pharmaceuticals, Inc. filed for Chapter 11 bankruptcy protection on December 27, 2019 and is now privately owned. From January 2012 until August 2014, Mr. Johnson served as the President and Chief Executive Officer of Dendreon Corporation and as its Chairman from January 2012 until June 2014. From January 2011 until January 2012, he served as the Chief Executive Officer and a member of the board of Savient Pharmaceuticals, Inc. From November 2008 until January 2011, Mr. Johnson served as Senior Vice President and President of Eli Lilly and Company's Oncology unit. He was also Chief Executive Officer of ImClone Systems Incorporated, which develops targeted biologic cancer treatments, from August 2007 until November 2008, and served on ImClone's board of directors until it was acquired by Eli Lilly in November 2008. From 2005 to 2007, Mr. Johnson served as Company Group Chairman of Johnson & Johnson's Worldwide Biopharmaceuticals unit, President of its Ortho Biotech Products LP and Ortho Biotech Canada units from 2003 to 2005, and Worldwide Vice President of its CNS, Pharmaceuticals Group Strategic unit from 2001 to 2003. Prior to joining Johnson & Johnson, he also held several executive positions at Parkstone Medical Information Systems, Inc., OrthoMcNeil Pharmaceutical Corporation and Pfizer, Inc. Mr. Johnson currently serves on the board of directors of Axogen Inc., a publicly traded company. Mr. Johnson is the former Chairman of Tranzyme Pharma, Inc., former lead independent director of Sucampo Pharmaceuticals, Inc. and a former director of Histogenics Corporation, AVEO Pharmaceuticals, Inc. and Portola Pharmaceuticals, Inc. He previously served as a member of the board of directors for the Pharmaceutical Research and Manufacturers of America and the Health Section Governing Board of Biotechnology Industry Organization. Mr. Johnson holds a B.S. from the East Stroudsburg University of Pennsylvania. Mr. Johnson brings to our Board of Directors extensive leadership, business and governance experience having served as a chief executive officer and on the board of directors of numerous public biopharmaceutical companies.

Karin Tollefson, PharmD is a Class II director who has served as a member of our Board of Directors since May 2023. Dr. Tollefson is currently Senior Vice President, Chief Oncology Medical Officer at Pfizer Inc., a publicly traded pharmaceutical company. Previously, she had been the Senior Vice President of Global Medical Affairs of Seagen Inc., a publicly traded biopharmaceutical company, since November 2021 and has been the Global Head of Medical Affairs since August 2019. Prior to this, Dr. Tollefson was the Vice President of Medical Affairs at Nektar Therapeutics, a publicly traded biopharmaceutical company, from May 2018 to August 2019. From 1992 until December 2017, Dr. Tollefson served in progressive leadership positions at Eli Lilly and Company, including Senior Director, Global Medical Affairs, Oncology Business Unit from June 2012 until December 2017 and Senior Director of Portfolio Project Management & Operations, Oncology Business Unit from January 2008 until June 2012, and multiple roles of progressive leadership from 1992 until her retirement in December 2017. Dr. Tollefson served on the board of directors of American Lung Association from 2013 to 2019 and served as a member of the Indiana Board of Trustees of The Leukemia and Lymphoma Society from 2013 to 2018. Dr. Tollefson completed her pre-pharmacy education at Kansas State University and received her doctorate in pharmacy from the University of Kansas in 1992.

Paul Bunn, M.D. is a Class III director who has served as a member of our Board of Directors since June 2021. Dr. Bunn has served as Professor of Medicine at the University of Colorado School of Medicine since 1984 in progressive positions. Dr. Bunn has served as distinguished Professor of Medicine since 2013 and the James Dudley Chair in Cancer Research, Division of Medical Oncology since 2006 at the University of Colorado School of Medicine. Dr. Bunn has served as the Director of the University of Colorado Cancer Center from 1987 to 2009, and the Head of the Division of Medical Oncology from 1984 to 1994. Dr. Bunn was the President of American Society of Clinical Oncology (ASCO) and a member of its board of directors. Dr. Bunn has served as Chief Executive Officer, President, and member of the board of directors of the International Association for the Study of Lung Cancer (IASLC). Dr. Bunn was also the President of the American Association of Cancer Institutes (AACI) and has chaired the U.S. Food and Drug Administration's Oncologic Drugs Advisory Committee. Dr. Bunn received a B.A. degree in biology from Amherst College and earned his M.D. degree from Weill Cornell Medical College.

Michael P. Bailey is being nominated as a Class II director. Mr. Bailey currently serves as president and chief executive officer of AVEO Pharmaceuticals, Inc. (AVEO), an LG Chem Ltd. company, and has served as a member of the board of directors since January 2015. Prior to appointment as president and chief executive officer, Mr. Bailey served as chief business officer of AVEO from June 2013 to January 2015 and as chief commercial officer from September 2010 to June 2013. Prior to joining AVEO, Mr. Bailey served as senior vice president, business development and chief commercial officer at Synta Pharmaceuticals Corp., a biopharmaceutical company focused on research, development and commercialization of oncology medicines, from August 2008 to September 2010. From 1999 to 2008, Mr. Bailey worked at ImClone Systems Incorporated (ImClone), a biopharmaceutical company focused on the development and commercialization of treatments for cancer patients. During his nine-year tenure at ImClone, he was responsible for commercial aspects of the planning and launch of ERBITUX (cetuximab) across multiple oncology indications, as well as new product planning for the ImClone development portfolio, which included CYRAMZA (ramucirumab) and PORTRAZZA (necitumumab). In addition, Mr. Bailey was a member of the strategic leadership committees for ImClone and its North American and worldwide partnerships and led its commercial organization, most recently as senior vice president of commercial operations. Prior to his role at ImClone, Mr. Bailey managed the cardiovascular new products development portfolio at Genentech, Inc., a biotechnology company, from 1997 to 1999. Mr. Bailey started his career in the pharmaceutical industry as part of Smith-Kline Beecham's executive marketing development program, where he held a variety of commercial roles from 1992 to 1997, including sales, strategic planning and product management. Mr. Bailey received a B.S. in psychology from St. Lawrence University and an M.B.A. in international marketing from Mendoza College of Business at University of Notre Dame and continued his executive education in Finance at Harvard Business School and Board of Director Leadership at Wharton School of Business.