Leadership Team

Steven Nichtberger, M.D.

President, Chief Executive Officer, and Co-Founder
Steven Nichtberger, M.D.

Dr. Nichtberger has served as Cabaletta’s Chief Executive Officer, President and member of the Board of Directors since its founding in 2017. Dr. Nichtberger also serves as managing partner of GBF Advisors, LLC, a company that provides advisory services to healthcare companies, investors, and leading academic scientists and is an adjunct professor at The Wharton School at the University of Pennsylvania. He is the chairman of the board of directors of ControlRad, Inc., a medical device company developing and marketing products to reduce radiation exposure associated with medical procedures, a member of the board of directors of the BioAdvance Greenhouse Fund, which provides funding to startup life sciences companies in southeastern Pennsylvania, and a member of the board of governors of Main Line Health, a not-for-profit health system. Dr. Nichtberger is also a venture advisor for the Israel Biotech Fund. Previously, he was the president, chief executive officer, and a member of the board of directors of Tengion, Inc. from 2004 to 2011. Earlier in his career, Dr. Nichtberger served in various commercial leadership positions at Merck from 1995 to 2003. He has previously served as a member of the boards of directors of the Alliance for Regenerative Medicine (as a founding member), Pennsylvania Bio including as chairman, and Biotechnology Industry Organization. He was also a member of the board of overseers for the School of Arts & Sciences at the University of Pennsylvania for over a decade. Dr. Nichtberger received his M.D. from the State University of New York at Buffalo, his B.S. from The Wharton School at the University of Pennsylvania and his B.A. from the University of Pennsylvania. He completed an internship, residency and fellowship in the Department of Medicine and the Division of Cardiology of the Mount Sinai Medical Center.

Gwendolyn Binder, Ph.D.

Executive Vice President, Science & Technology
Gwendolyn Binder, Ph.D.

Dr. Binder joined Cabaletta in February 2019 as Executive Vice President, Science and Technology. Prior to joining Cabaletta, Dr. Binder was the Chief Technology Officer of Adaptimmune Therapeutics Plc, where she initially established and led capabilities in manufacturing, correlative science, compliance, regulatory and clinical operations, to enable the transfer of certain T cell receptor clinical programs from the Translational Research Program at the University of Pennsylvania and vector and cell manufacturing. She later went on to establish the internal translational sciences, and manufacturing and quality teams and oversaw the planning and execution of an onsite manufacturing facility. Once the manufacturing was secure, she assumed leadership of the research organization. Earlier in her career, Dr. Binder served as Director of Operations for the Translational Research Program at the University of Pennsylvania, where she participated in multiple engineered T cell therapy clinical programs in HIV and oncology including the data generation and IND drafting for CART 19 under the leadership of Drs. Carl June and Michael Milone. Prior to that, she was the director of scientific affairs at VIRxSYS Corporation. Dr. Binder received her Ph.D. from the Johns Hopkins University School of Medicine and her B.A. from Wells College.

David J. Chang, M.D., M.P.H.

Chief Medical Officer
David J. Chang, M.D., M.P.H.

Dr. Chang joined Cabaletta in June 2019 as Chief Medical Officer. From June 2015 to May 2019, he was Senior Vice President and Head, Inflammation, Autoimmunity & Neuroscience, or IA&NS, Global Medicines Development at AstraZeneca Pharmaceuticals LP, where he oversaw development projects of both biologics and small molecules in a variety of indications and led the late-stage clinical development organization for IA&NS. From October 2007 to June 2015, Dr. Chang served in various positions at GlaxoSmithKline plc, including VP and Head, Immuno-Inflammation, Clinical Development. Dr. Chang is an adjunct associate professor in the Division of Rheumatology at the Perelman School of Medicine of the University of Pennsylvania. He received his M.D. from New York University School of Medicine, his M.P.H. from Emory University and his B.S. from Yale University. Dr. Chang completed his internship and residency in internal medicine at the New York Hospital—Cornell University Medical Center and fellowship in rheumatology at the Hospital for Special Surgery—Cornell University Medical Center.

Arun Das, M.D.

Senior Director of New Product Planning and Business Development
Arun Das, M.D.

Dr. Das joined Cabaletta in July 2019 as Senior Director of New Product Planning and Business Development. Prior to joining our company, Dr. Das was a resident physician in General Pediatrics at the Children’s Hospital of Philadelphia. Previously, he was an investment banking analyst within the healthcare group at Goldman Sachs. In addition, Dr. Das has spent multiple years consulting in business development and operations for several start-ups in the biotechnology space. Dr. Das received his M.D. from Johns Hopkins University School of Medicine and a B.A. and B.S. dual degree from the University of Pennsylvania.

Anup Marda

Chief Financial Officer
Anup Marda

Mr. Marda joined Cabaletta in January 2019 as Chief Financial Officer. From April 2001 to January 2019, Mr. Marda held positions at Bristol-Myers Squibb, including, most recently, as Vice President, Head of Global Corporate Financial Planning & Analysis, and previously as Head of Finance, R&D Operations and Head of Finance, R&D Portfolio Management and Global Medical from 2014 to 2018. Prior to this, Mr. Marda held the role of Executive Director, U.S. Pharmaceuticals from 2012 to 2014 and Assistant Treasurer, Capital Markets from 2008 to 2012. Mr. Marda received his MBA from the Krannert School of Business of Purdue University and his B.Tech in Chemical Engineering from the Indian Institute of Technology Bombay.

Martha O’Connor

Chief Human Resources Officer
Martha O’Connor

Martha O’Connor joined Cabaletta in March 2019 as Chief Human Resources Officer. Prior to joining our company, Ms. O'Connor spent 17 years as a senior executive in Human Resources at Bristol-Myers Squibb, with leadership roles in HR generalist and specialist areas. She has managed global HR teams across many parts of the business, including Research & Development, Commercial, and Corporate Staff. Before joining Bristol-Myers Squibb, Martha spent ten years with Andersen Consulting (Accenture), where she achieved associate partnership as an organization and change management consultant.  Martha graduated from Smith College with a bachelor’s degree in Economics and Psychology.

J. Brian Stalter, J.D.

General Counsel
J. Brian Stalter, J.D.

Mr. Stalter joined Cabaletta in September 2019 as General Counsel. Prior to joining our company, Mr. Stalter served as Vice President & Assistant General Counsel, Business Development at Bristol-Myers Squibb. Previously, Mr. Stalter held the role of Assistant General Counsel, Transactional Practice Group at Bristol-Myers Squibb from September 2005 to July 2016. Earlier in his career, Mr. Stalter was Deputy General Counsel at Medarex, Inc. and Senior Counsel, Licensing at Schering-Plough Corporation. He began his career at Dewey Ballantine LLP in New York. Mr. Stalter received his J.D. from Columbia University and his B.A. in History from the University of Notre Dame.

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