Leadership

President and Chief Executive Officer

Dr. Sandrock has been a member of the Board of Directors since February 2022 and has served as our President and Chief Executive Officer since March 2022. From February 1998 to December 2021, Dr. Sandrock served in positions of increasing responsibility at Biogen Inc., culminating in his service as Executive Vice President, Research and Development from October 2019 to December 2021. Dr. Sandrock also served in various Chief Medical Officer roles from 2012 to 2020, including as Executive Vice President, Chief Medical Officer for Biogen from October 2015 to January 2020, and served on Biogen’s Executive Committee from June 2013 to December 2021. Dr. Sandrock held other senior executive positions at Biogen during his tenure, including Group Senior Vice President and Chief Medical Officer, Chief Medical Officer and Senior Vice President of Development Sciences, Senior Vice President of Neurology Research and Development, and Vice President of Clinical Development, Neurology. Dr. Sandrock has served on the boards of directors of privately-held biotechnology companies Transition Bio, Inc. since February 2022, Neurimmune, Inc. since February 2022, and Neutargeton Therapeutics since February 2025. Dr. Sandrock served on the boards of directors of publicly-traded biotechnology company Neurocrine Biosciences, Inc. (“Neurocrine”) from September 2015 to May 2020 and privately-held biotechnology companies Praxis Precision Medicines, Inc. from May 2017 to February 2020, Disarm Therapeutics, Inc. from April 2017 to October 2020, Atalanta Therapeutics, Inc. from March 2022 to September 2024, and Verge Genomics Inc. from February 2022 to March 2026. Dr. Sandrock earned a B.A. in human biology from Stanford University, an M.D. from Harvard Medical School, and a Ph.D. in neurobiology from Harvard University. We believe Dr. Sandrock’s experience as a senior executive and service on the boards of directors of other life sciences companies qualifies him to serve on the Board of Directors.

Chief Scientific Officer

Dr. Carter has served as our Chief Scientific Officer since September 2022. He previously served as our Senior Vice President of Research from March 2022 to September 2022, our Vice President of Research from November 2018 to March 2022, and as our Senior Director, Neuroscience from June 2016 to November 2018. Prior to joining us in 2016, Dr. Carter served as the Senior Science Advisor to the Office of the Director of the Broad Institute of MIT and Harvard. Previously, he oversaw research at BrainCells Inc. as Senior Director of Biology. Dr. Carter received a B.A. in genetics from Texas A&M University and a Ph.D. in genetics from Columbia University, and he completed his postdoctoral training at the Salk Institute for Biomedical Research.

Chief Corporate Affairs Officer and Chief of Staff to the CEO

Ms. Morrison joined Voyager in 2022 with over 20 years of experience in healthcare public affairs, including strategic communications, investor relations and patient advocacy. She also serves on the board of directors for the Network of Tyrosinemia Advocates and on the advisory board for The Termeer Foundation. Prior to joining Voyager, Morrison served as Chief Corporate Affairs Officer for Saniona, where she built and led communications, investor relations, patient advocacy and government relations, in addition to serving as a member of the executive committee. She previously founded the consulting firm PR with Purpose, and her prior roles include Vice President of Communications and Patient Advocacy for rare disease company Sobi in North America, Head of Communications for Ironwood Pharmaceuticals, and reporter and editor for BioWorld Today, as well as various positions at multiple communications agencies. Morrison received a B.S. in marketing and biology from Tulane University.

Mr. Shiferman has served as our Senior Vice President, General Counsel and Secretary since January 2026. Prior to joining us, Mr. Shiferman served in positions of increasing responsibility at Sage Therapeutics, Inc., in both legal and program leadership roles, culminating in his service as Senior Vice President, General Counsel and Secretary from November 2024 to August 2025, Vice President, Program Lead from February 2022 to October 2024, and Vice President, Corporate Counsel from July 2019 to February 2022. Prior to joining Sage Therapeutics, he served as Senior Corporate Counsel at Takeda Oncology from June 2017 to March 2018 and as Corporate Counsel at ARIAD Pharmaceuticals from July 2015 to June 2017. Mr. Shiferman was an Associate at the law firm of Skadden, Arps, Slate, Meagher & Flom LLP & Affiliates from October 2011 to July 2015, and a Law Clerk assigned to the Honorable Michael A. Silverstein at the Rhode Island Superior Court from August 2010 to September 2011. Mr. Shiferman holds a B.A. from Boston University and a J.D. from the Benjamin N. Cardozo School of Law.

Ms. Swartz has served as our Chief Operating Officer and Business Officer since November 2024, and previously served as our Chief Operating Officer from February 2022 to November 2024, our Principal Financial Officer and Principal Accounting Officer from April 2024 to July 2024, our Senior Vice President, Business Operations from September 2021 to February 2022 and our Senior Vice President, Portfolio Management and Patient Engagement from January 2021 to August 2021. Prior to joining us, Ms. Swartz served in positions of increasing responsibility beginning in 1995 at Genzyme Corporation and Sanofi Genzyme, culminating in her service at Sanofi Genzyme as Senior Vice President, Patient and Product Services for Rare Diseases from January 2018 to June 2020 and as Senior Vice President, Head of Global and US Business Operations from June 2015 to December 2017. Her previous roles at Sanofi Genzyme included Chief of Staff to the Executive Vice President, Head of Sanofi Genzyme and Senior Director, Finance. Ms. Swartz spent over ten years serving in roles of increasing responsibility in the Finance department at Sanofi Genzyme, with a focus on finance operations, internal auditing, and financial planning and analysis. Ms. Swartz received a B.A. in political science and government from Kenyon College.

Chair

Mr. Higgins was appointed Chairman of the Board in June 2019. He has been a member of the Board of Directors since July 2015 and also served as our Interim President and Chief Executive Officer from June 2021 to March 2022. Mr. Higgins has served as chairman of the board of directors of Pulmatrix, Inc., a publicly-traded biopharmaceutical company, since April 2020, and Nocion Therapeutics, Inc., a privately-held biopharmaceutical company, since September 2020. Mr. Higgins has also served as a member of the board of directors of Cyclerion Therapeutics, Inc., a publicly-traded biopharmaceutical company, since November 2023; Camp4 Therapeutics Corporation, a publicly-traded biopharmaceutical company, since October 2017; Kindex Pharmaceuticals from 2015 to 2021; and Sea Pharmaceuticals, LLC, a privately-held pharmaceutical company, since October 2016. Mr. Higgins previously served as a member of the board of directors of Genocea Biosciences Inc., a publicly-traded immuno-oncology company, from February 2015 to May 2022. Mr. Higgins is a serial entrepreneur who has helped launch and build numerous companies during his career. He served as Entrepreneur-in-Residence and Advisor at Polaris Partners, an investment company, from 2015 to 2021. From 2003 to 2014 he served as Senior Vice President, Chief Operating Officer at Ironwood Pharmaceuticals Inc, a biopharmaceutical company. Prior to 2003, Mr. Higgins held a variety of senior business positions at Genzyme Corporation, including Vice President of Corporate Finance and Vice President of Business Development. Mr. Higgins earned a B.S. from Cornell University and an M.B.A. from the Amos Tuck School of Business at Dartmouth College. We believe that Mr. Higgins’ financial and business expertise, including his diversified background as an executive officer in public pharmaceutical companies and service on the boards of directors of other life sciences companies, qualifies him to serve as a member of the Board of Directors.

Dr. Colón has been a member of the Board of Directors since January 2023. She has been CEO, President and member of the board of directors of privately-held OmniPulse Biosciences since January 2026. She has also served as Chair of the boards of directors of privately-held biotechnology company Aronora, Inc., since August 2025, privately-held biotechnology company Bloom Science, Inc. since May 2023, and privately-held consumer health platform company Emm Technology Ltd. since March 2023, and a member of the board of directors and cofounder of privately-held biotechnology company Inaya Therapeutics, Inc. since July 2023. From March 2013 to September 2022, Dr. Colón served as President, Chief Executive Officer and Director of InCarda Therapeutics, Inc., a privately-held biopharmaceutical company, where she oversaw advancement of the lead cardiovascular program from pre-clinical stage to Phase 3. She previously served as the Executive Chair and a member of the board of directors of ProterixBio, Inc. (formerly Bioscale, Inc.), a privately-held diagnostics company, from November 2016 to December 2023, and President and Chief Executive Officer of ProterixBio from February 2015 to October 2016. Dr. Colón also served in various capacities with New Science Ventures, a venture capital firm, including as Partner from January 2014 to June 2016 and Senior Advisor from July 2016 through June 2019. Prior to her time at New Science Ventures, her experiences include roles such as Senior Vice President and the founding President of the Industrial Products Division at Precigen, Inc. (formerly Intrexon Corporation), a publicly-traded biopharmaceutical company, from October 2010 to May 2012; in various capacities of increasing responsibility at Gilead Sciences, Inc., a publicly-traded biopharmaceutical company, from February 2005 to August 2010, most recently as head of Global Clinical Operations; and as Vice President of Corporate Planning at Affymetrix, Inc., a publicly-traded genomics company (acquired by Thermo Fisher Scientific, Inc.), from August 2000 to January 2005. Previously, Dr. Colón served as a member of the boards of directors of CareDx, Inc., a publicly-traded molecular diagnostics company, from July 2019 to June 2024; Cocoon Biotech, Inc., a privately-held biotechnology company, from October 2016 to March 2020; InterLink AI (formerly PerceptiMed, Inc.), a privately-held healthcare technology company, from January 2015 to June 2019; and Paradigm Diagnostics, Inc., a privately-held molecular diagnostics company (acquired by Exact Sciences Corp.), from February 2017 to June 2019. Dr. Colón has served as a term member of the Massachusetts Institute of Technology Corporation (MIT Board of Trustees) since July 2021, and a member of the board of directors of the Biotechnology Innovation Organization (BIO) since June 2021. On the BIO board of directors, she also served as Vice Chair of the Emerging Companies Section and a member of the Executive Committee from June 2023 through June 2025. In March 2024, Dr. Colón was elected as a Fellow of the American Institute for Medical and Biological Engineering (AIMBE). Dr. Colón received her Ph.D. in chemical engineering from the Massachusetts Institute of Technology, where she was a National Science Foundation Fellow, and earned a B.S. in chemical engineering from the University of Pennsylvania, where she was a Benjamin Franklin Scholar. We believe Dr. Colón’s more than 25 years of experience in leading biopharma, genomics, healthcare and industrial biotechnology companies, serving as a venture capital partner, and service on the boards of directors of other life sciences companies qualifies her to serve on the Board of Directors.

Mr. Geraghty has been a member of the Board of Directors since January 2014. He has served as a member of the boards of directors of publicly-traded biotechnology companies Fulcrum Therapeutics since July 2016 and CanBridge Pharma since May 2020. Mr. Geraghty previously served as Chairman of the board of directors of privately-held biotechnology company OMass Therapeutics from May 2023 to January 2026, and of publicly-traded biotechnology companies Pieris Pharmaceuticals from May 2017 to December 2024, and Orchard Therapeutics from May 2020 to January 2024. He also served as a member of the board of directors of Aceragen Inc. (formerly Idera Pharmaceuticals) from May 2013 to March 2023. Mr. Geraghty was an Entrepreneur-in-Residence at Third Rock Ventures from May 2013 to October 2016. He served as Senior Vice President, North America Strategy and Business Development at Sanofi from February 2011 to October 2013, and held many roles at Genzyme Corporation from 1992 to 2011, including Senior Vice President of International Development and President of Genzyme Europe. He also served as Chairman, President and CEO of GTC Biotherapeutics. Mr. Geraghty received a B.A. from Georgetown University, an M.S. from the University of Pennsylvania, and a J.D. from Yale Law School. We believe Mr. Geraghty’s experience as a senior executive and service on the Boards of Directors of other life sciences companies qualifies him to serve on the Board of Directors.

Dr. Hyman has been a member of the Board of Directors since September 2015. He has served as founding director of the Program in Brain Health at the Broad Institute of Harvard and MIT and as a Core Faculty Member of the Broad Institute since March 2012. Dr. Hyman has served as a Harvard University Distinguished Service Professor of Stem Cell and Regenerative Biology since July 2011. He has served as a member of the board of directors of publicly-traded biotechnology company Cyclerion Therapeutics, Inc. since July 2022. From December 2001 to June 2011, he served as Provost of Harvard University, the University’s chief academic officer. From 1996 to 2001, he served as Director of the U.S. National Institute of Mental Health, where he emphasized investment in neuroscience and emerging genetic technologies. He was elected to the Institute of Medicine in 2000, renamed the National Academy of Medicine, where he completed his second term on the Governing Council from 2012 to 2018, and has chaired the Forum on Neuroscience and Nervous Systems Disorders, which brings together government, industry, patient groups, and academia (2012 to 2018). He also served on the governing board of the National Research Council, the operating arm of the U.S. National Academies, from 2016 to 2018. He is a fellow of the American Academy of Arts and Sciences, a fellow of the American Association for the Advancement of Science, former president of the Society for Neuroscience, former president of the American College of Neuropsychopharmacology, and a Distinguished Life Fellow of the American Psychiatric Association. Dr. Hyman has served as Board Chair of the Charles A. Dana Foundation (NY) since April 2018. Dr. Hyman received a B.A. from Yale College, an M.A. from the University of Cambridge, which he attended as a Mellon fellow, and an M.D. from Harvard Medical School. We believe that Dr. Hyman’s extensive knowledge of neuroscience combined with his leadership skills qualifies him to serve as a member of the Board of Directors.

Dr. Mackey has been a member of the Board of Directors since August 2022. Dr. Mackey has served on the board of directors of publicly-traded biotechnology company IDEAYA Biosciences, Inc. since April 2022. She previously served as the Chair of the board of directors of Cour Pharmaceuticals Development Co., Inc., a privately-held, clinical-stage company focused on immunomodulation, from May 2014 to December 2022. She also previously served as a member of the board of directors of publicly-traded biotechnology company Avid Bioservices, Inc. from July 2019 to February 2025, when Avid was acquired by GHO Capital Partners LLP and Ampersand Capital Partners; publicly traded biotechnology company Trillium Therapeutics Inc. from June 2021 to November 2021, when Trillium was acquired by Pfizer Inc.; publicly-traded biopharmaceutical company Poseida Therapeutics, Inc. from January 2019 to June 2021; and publicly-traded biopharmaceutical company GW Pharmaceuticals plc from December 2017 to May 2021, when GW Pharmaceuticals was acquired by Jazz Pharmaceuticals. Dr. Mackey previously served as Senior Vice President, Pfizer Global Research and Development, and Director, La Jolla Laboratories, of Pfizer, Inc. from 2001 to 2010. Dr. Mackey earned her B.S. and Ph.D. in microbiology from Cornell University. We believe Dr. Mackey’s more than 30 years of experience in leading biotechnology research, development, and operations in large life sciences companies and service on the boards of directors of other life sciences companies qualifies her to serve on the Board of Directors.

Dr. Pierce has been a member of the Board of Directors since January 2017 and also served as our Interim Chief Scientific Officer from June 2021 to June 2022 and a consultant from June 2022 to June 2023. Dr. Pierce served as consultant at Ambys Medicines, a biotechnology company, from August 2020 to March 2022, and previously served as Chief Medical Officer of Ambys from August 2018 to August 2020. Since August 2014, Dr. Pierce has served as a consultant to several biotechnology companies. He has served as an Entrepreneur-in-Residence at Third Rock Ventures, LLC, a life sciences venture capital firm focused on the formation, development and strategy of new companies, since January 2016. He retired from Biogen Idec, Inc., a biotechnology company, in May 2014, where he had worked since March 2009 and most recently served as Senior Vice President leading the Hematology, Cell and Gene Therapies division. Prior to Biogen, he served in a variety of biotechnology and biopharmaceutical companies, including Bayer AG, Inspiration Pharma Ltd., Avigen, Inc., Selective Genetics, Inc., and Amgen, Inc. in the areas of tissue regeneration and hematology research, development, or both. Dr. Pierce is the co-author of more than 170 scientific papers and an inventor on more than 15 patents, and he has contributed to the development of a number of novel marketed proteins. He served on the Medical and Scientific Advisory Council, the board of directors and was President of the board of directors of the National Hemophilia Foundation during a span of two decades. Dr. Pierce also served on the Blood Products Advisory Committee at the U.S. Food and Drug Administration and the Committee on Blood Safety and Availability at the U.S. Department of Health and Human Services. He has served on the board of directors of the World Federation of Hemophilia since 2015 and as the organization’s Vice President, Medical since 2018. Dr. Pierce also served on the board of directors of publicly-traded biopharmaceutical company Global Blood Therapeutics, Inc. (acquired by Pfizer, Inc.) from February 2016 to October 2022. Dr. Pierce received a B.A. in Biology, an M.D., and a Ph.D. in immunology, all from Case Western Reserve University in Cleveland, and completed his postgraduate training in pathology and hematology research at Washington University in St. Louis. We believe Dr. Pierce’s more than 35 years of experience in leading biotechnology research and development in small and large, public and private biotechnology and biopharmaceutical companies qualifies him to serve on the Board of Directors.

Dr. Scangos has been a member of the Board of Directors since May 2023. Dr. Scangos served as President and Chief Executive Officer of Vir Biotechnology, Inc. from January 2017 until April 2023. He was a member of the board of directors of Vir Biotechnology, Inc., from January 2017 until May 2024. From July 2010 to December 2016, Dr. Scangos served as Chief Executive Officer and as a member of the board of directors of Biogen Inc., a biotechnology company. While at Biogen, Dr. Scangos was named a “Business Person of the Year” by Fortune Magazine and one of “The Best Performing CEOs in the World” by Harvard Business Review for each of the years 2014, 2015, and 2016. Dr. Scangos previously served as President and Chief Executive Officer of Exelixis, Inc., a drug discovery and development company, from October 1996 to July 2010 and as a member of its board of directors from October 1996 to May 2020. From 1987 to 1996, Dr. Scangos served in positions of increasing responsibility at Bayer Corporation, a pharmaceutical company, culminating with his service as President of Biotechnology from 1993 to 1996. Before joining Bayer, Dr. Scangos was a Professor of Biology at Johns Hopkins University. Dr. Scangos also currently serves on the boards of directors of Agilent Technologies, Inc., a publicly traded life sciences, diagnostics and applied chemical analysis company, where he has been a director since 2014; Octave Bioscience, Inc., a privately-held company developing precision medicine approaches for neurodegenerative diseases, where he has been a director since 2017; and Rezo Therapeutics, Inc., a privately-held biotechnology company elucidating the networks involved in a variety of diseases, where he has been a director since 2021. Dr. Scangos served as Chair of Pharmaceutical Research and Manufacturers of America in 2016, and as the Chair of the California Healthcare Institute in 2010. He was a member of the board of directors of the Global Alliance for TB Drug Development from 2006 until 2010. Dr. Scangos currently serves on the board of directors of the Bay Area chapter of Life Science Cares, an organization devoted to using the resources of the biotechnology industry to help individuals from disadvantaged backgrounds. Dr. Scangos received his B.A. in Biology from Cornell University and a Ph.D. in Microbiology from the University of Massachusetts. We believe Dr. Scangos’ experience as a senior executive and service on the boards of directors of other life sciences companies qualifies him to serve on the Board of Directors.

Ms. Vitale has been a member of the Board of Directors since September 2020. Ms. Vitale has served as Chief People Officer at Omada Health, Inc., since January 2022. She has also served as a Co-Founder at Partners for Wellbeing, LLC, a boutique human resources consulting firm, since July 2019, and served as Managing Partner from July 2019 January 2022. Previously, Ms. Vitale served in various human resources leadership roles at biotechnology company Genentech, Inc., a member of the Roche Group, from September 2006 to July 2019, including Chief Human Resources Officer and Senior Vice President. Prior to her time at Genentech, Ms. Vitale served as Head of Human Resources, Gillette North America Commercial Operations at Procter & Gamble, a consumer goods company, from April 2004 to August 2006 and as Vice President of Human Resources at Cigna Corporation, a health service company, from April 2001 to April 2004. Ms. Vitale served on the Board of Directors for the Make-A-Wish Foundation from January 2017 to July 2021. Ms. Vitale received a B.B.A. from the University of Michigan and an M.B.A. from the Goizueta Business School at Emory University. We believe Ms. Vitale’s business and human resources expertise, including her experience as a human resources executive in the biotechnology industry, qualifies her to serve as a member of the Board of Directors.