Executive Management

Image for Howard S. JonasChairman of the Board
Howard S. Jonas
Chairman of the Board

Howard S. Jonas has served as Chairman of the Board of Directors of the Company since August 17, 2017 and as Executive Chairman since June 13, 2022 and served as Chief Executive Officer from March 8, 2018 through April 30, 2021. Mr. Jonas has been a director of Cornerstone Pharmaceuticals since April 2013 and was appointed Chairman of the Board of Cornerstone Pharmaceuticals in April 2016. Mr. Jonas founded IDT Corporation in August 1990, has served as Chairman of its Board of Directors since its inception and as its Chairman since September 2022. Mr. Jonas served as member of the Board of Directors of IDT from inception to December 2020, when he was appointed as an ex-officio (non-voting) member of the Board of Directors. In March 2021, Mr. Jonas was reappointed as a voting member of the Board of Directors. Mr. Jonas served as Chief Executive Officer of IDT from October 2009 through December 2013 and from December 1991 until July 2001. From January 2014 until November 2017, Mr. Jonas served as the Chief Executive Officer of Genie Energy Ltd., a former subsidiary of IDT that was spun off to stockholders in October 2011, and has served as Chairman of the Board of Directors of Genie Energy since the spin-off. From June 2016 to November 2016, Mr. Jonas served as the Chairman of the Board of Zedge, Inc., a former subsidiary of IDT that was spun off to stockholders in June 2016. Mr. Jonas has served as the Vice Chairman of Zedge, Inc. since November 2016. Mr. Jonas also serves as Chairman of the Board of IDW Media Holdings, Inc., a former subsidiary of IDT that was spun off to stockholders in September 2009, has been its Chairman since June 2022 and served as Chief Executive Officer from February 2019 through April 2020. Mr. Jonas is also the founder and has been President of Jonas Media Group (f/k/a Jonas Publishing) since its inception in 1979. Mr. Jonas received a B.A. in Economics from Harvard University.

Image for William 'Bill' ConklingPresident and Chief Executive Officer
William 'Bill' Conkling
President and Chief Executive Officer

William Conkling has served as the Company's President since January 2023 and as its Chief Executive Officer since February 2022.  He previously served as the Chief Commercial and Business Officer of the Company from March 8, 2021 to January 31, 2022. Mr. Conkling has over 20 years’ experience in the pharmaceutical/biotech industry working in Oncology. He has extensive experience launching innovative oncology products. His experience spans across all areas of commercialization including marketing, sales, market access, commercial operations and business development. Prior to joining the Company, Mr. Conkling helped lead the launch of Trodelvy at Immunomedics Inc. (acquired by Gilead for $21B in October 2020) as the VP Sales, Marketing and Market Access. Mr. Conkling also spent over 10 years at Novartis Oncology where he helped lead the launch of the first CAR-T therapy approved in the US as the Global Commercial Leader — Kymriah. Mr. Conkling earned his Bachelor’s Degree from Fordham University and his Master’s in Business Administration from New York University Stern School of Business in 1998.


John Goldberg, MD
Chief Medical Officer

John Goldberg, MD has served as Chief Medical Officer since November 20, 2023. Dr. Goldberg is a seasoned medical professional with 18 years of experience in Oncology clinical trials across academia and industry. Dr. Goldberg was the Chief Medical Officer at Oncorus from Feb 2022 to June 2023 and served as Senior Vice President of Clinical Development from Oct 2018 to Feb 2022. Prior to joining Oncorus, Dr. Goldberg served as Senior Medical Director of H3 Biomedicine, a developer of genomics-based cancer therapies. While at H3 Biomedicine, he supervised the clinical development of H3B-8800, the first-in-human spliceosome modulator. Previously, Dr. Goldberg held clinical roles in cancer drug development, leading the pediatric oncology Phase 1 program at the University of Miami and working as Medical Director for Agenus. His immunotherapy experience includes first-in-human neo-antigen vaccines, dendritic cell vaccine and GVAX trials, as well as checkpoint inhibitors and costimulatory agonists. Dr. Goldberg is also a pediatric oncologist with 15 years of experience treating children with cancer and enrolling patients in clinical trials. Dr. Goldberg received his pediatric hematology oncology training from the Dana-Farber Cancer Institute and Children’s Hospital Boston and his general pediatrics training from the University of Rochester. Dr. Goldberg holds an M.D. from the University of Massachusetts Medical School and a A.B. in Biological Sciences from the University of Chicago. In addition, Dr. Goldberg is a Medical Advisory Board Member for the Sarcoma Foundation of America.

David Polinksy
Chief Financial Officer

David Polinsky has served as the Company’s Chief Financial Officer since January 28, 2023 and served as Chief of Staff from September 2021through January 27, 2023. Mr. Polinsky previously served as Chief Financial Officer of the Company from December 2017 through September 2021. Mr. Polinsky co-founded Cornerstone Pharmaceuticals and served as its Vice President, General Counsel and Corporate Secretary from 2002-2018 and as its President, General Counsel and Secretary from 2016 through March 2018. He also served on Cornerstone Pharmaceutical’s Board from 2002 until 2014. Previously, he served as Vice President and General Counsel for a New York-based real estate focused investment and management company, Square Management Corp., leading the investment analysis in and management of residential, office, retail and development properties. Previously and in partnership with the Honorable Edward I. Koch, former Mayor of New York City, Mr. Polinsky founded and served as CEO of a company that licensed and developed TheLaw.com. Mr. Polinsky earned his Juris Doctorate from Fordham University School of Law in 1996 and his Bachelor of Arts from Yeshiva University in 1993. Mr. Polinsky also earned the CFA Institute’s Investment Foundations certificate in 2017, a certificate from MIT Sloan School of Management in Mastering Negotiation and Influence in 2021, and a certificate from Columbia Business School in Blockchain in Business in 2022.