Executive Team & Board

Dr. Gottlieb is the Managing Partner and Chief Investment Officer of Altium Capital Management, LP, a healthcare-focused alternative asset manager and affiliate of our sponsor, a role he has held since he founded Altium in 2017. Prior to founding Altium, Dr. Gottlieb founded Visium Asset Management, a healthcare-focused investment firm, which was spun out from Balyasny Asset Management in 2005. Under Dr. Gottlieb’s leadership as Managing Member and Chief Investment Officer of Visium from 2005 to 2016, Visium grew to approximately $8 billion in assets under management, employing over 175 people in New York, San Francisco and London. Prior to founding Visium, from 2001 to 2005, Dr. Gottlieb was the Healthcare Portfolio Manager and Partner at Balyasny Asset Management, an investment management firm, where he built his team to over 20 investment professionals prior to spinning out to form Visium. Before joining Balyasny, he was a Portfolio Manager at Merlin BioMed, a healthcare-focused investment firm. Dr. Gottlieb started his investment career as a buy-side analyst at Sanford C. Bernstein (now AllianceBernstein), an investment firm, covering global healthcare. Dr. Gottlieb earned his B.A. from Brown University, where he graduated magna cum laude, then attended New York University Medical School where he earned his M.D. in 1997. Dr. Gottlieb obtained his Chartered Financial Analyst (CFA) charter in 2001, and his Professional Risk Manager (PRM) designation in 2010.

Dr. Castor founded Sio Capital Management, LLC, a healthcare-focused investment firm and affiliate of our sponsor, in 2006 and has served as the portfolio manager since its inception. Before starting Sio, Dr. Castor worked at Bernstein Investment Research and Management from 2001 to 2006 as the firm’s healthcare analyst and as the healthcare sector leader. Prior to Bernstein, Dr. Castor worked in the investment banking/equity capital markets division of JP Morgan from 2000 to 2001, where he focused on biotechnology and healthcare equity offerings. Before entering finance, Dr. Castor spent three years in clinical medicine. He completed his surgery internship at Indiana University Medical Center in 1998 followed by two years of surgery and otolaryngology residency at Columbia Presbyterian Medical Center in New York. Dr. Castor earned his M.D. from The Ohio State University College of Medicine, where he graduated summa cum laude. He earned his undergraduate degree in Biomedical Engineering from Tulane University where he graduated summa cum laude with departmental honors.

Dr. Puri has served as our Chief Business Officer since March 2022. Dr. Puri joined Altium Capital Management, LP in August 2021 as an Analyst focused on investments within the healthcare sector. Dr. Puri was previously a Senior Analyst at Alera Partners, a healthcare-dedicated investment fund from April 2021 to August 2021. He began his Wall Street career as a Sr. Associate in Biotechnology Equity Research at BMO Capital Markets from 2018 to 2019, and has had other sell-side positions focused on biotechnology including Equity Research at SVB Leerink from 2019 to 2022 and Investment Banking at Jefferies from 2020 to 2021. Before entering finance, Dr. Puri obtained his board certification in Internal Medicine, and has practiced clinical medicine following completion of his Internal Medicine Residency at Thomas Jefferson University Hospital in 2012. Dr. Puri earned his B.S. in Economics from Duke University, then attended Rutgers – Robert Wood Johnson Medical School where he earned his M.D. In addition, he earned his M.B.A. from the University of Chicago - Booth School of Business.

Mr. Drillick is the Chief Executive Officer and Chief Compliance Officer of Sio Capital Management, LLC. Previously, he was Chief Financial Officer of Sio, where he led the firm’s accounting, operations, and compliance functions at Sio since 2015. Mr. Drillick has over 16 year of accounting experience at several financial firms. Prior to Sio, Mr. Drillick served as Controller for Stillwater Capital Partners from 2013 to 2015 and Controller of Cross River Bank from 2011 to 2013. Mr. Drillick served as Chief Financial Officer for B.A.F. Management from 2010 to 2011 and Controller for Terrapin Partners from 2007 to 2010. Mr. Drillick was also a Senior Auditor of Hedge Funds at accounting firms McGladrey LLP and Deloitte LLP. Mr. Drillick earned his B.S. in accounting from Touro College where he graduated summa cum laude, and is a Certified Public Accountant.

Dr. Berkovitz is Senior Vice President of Ascension, a leading non-profit Catholic health system, and Ministry Market Executive of Ascension Michigan, a position he has held since February 2020. He is responsible for all aspects of the Ascension Michigan market, including its 16 hospitals and hundreds of outpatient care sites. From 2018 to 2020, Dr. Berkovitz served as president of Ascension Medical Group — Michigan, a clinically integrated multispecialty group of over 1,200 providers serving almost 600,000 patients. Additionally, Dr. Berkovitz led all state service line activity in the areas of Cardiovascular, Neuroscience, Orthopedics, Oncology and Behavioral Health while at Ascension Medical Group — Michigan. Before joining Ascension, Dr. Berkovitz held various executive leadership positions including CEO of Cardiovascular Institute at OSF Healthcare System from 2015 to 2018 and President of the Cardiovascular Institute at Summa Health System, from 2013 to 2015. He also served as Chairman of the Department of Cardiovascular Disease and System Medical Director of the Cardiovascular Service Line at Summa Health System from 2004 to 2015 and 2008 to 2015, respectively. Dr. Berkovitz has also been a practicing cardiologist and is a diplomate in Interventional Cardiology, Cardiovascular Disease and Internal Medicine. He earned his M.D. from Vanderbilt University School of Medicine.

Mr. Kaster is the founder and Chief Executive Officer of 33 BioMedical, Inc. and Alhambra Medical, Inc., two companies dedicated to developing peripheral vascular therapies, since 2019. The companies are both recent spinouts of a medical device accelerator that Mr. Kaster founded in 2019. Prior to this, Boston Scientific Corporation, a global developer, manufacturer and marketer of medical devices, hired Mr. Kaster to establish Boston Scientific Ventures (“BSC Ventures”), Boston Scientific’s venture capital arm that he managed from 2012 until his departure in 2019. Under Mr. Kaster’s leadership, BSC Ventures invested in 45 companies, deploying over $500 million in capital. Notable investments included PulmonX which went public on the Nasdaq in 2020, Cryterion, a medical device company that was acquired by Boston Scientific in 2018, and Millipede which was acquired by Boston Scientific in 2018. Mr. Kaster was an active board member or board observer on over 30 portfolio companies during his tenure at BSC Ventures. He is currently a member of the board of directors of three medical device companies, including Alleviant Medical, Inc. (since 2019), 33 Biomedical, Inc. (since 2019), and Alhambra Medical, Inc. (since 2019). Prior to joining BSC, Mr. Kaster was a General Partner at MedVenture Associates, a healthcare-focused venture capital firm, from 2003 to 2012, where he helped manage a portfolio of more than 30 investments and raise two dedicated health care funds. Mr. Kaster began his career as a Medical Technology Equity Research Analyst at investment banks WR Hambrecht + Co. in 2002 and Piper Jaffray from 2000 to 2001. Mr. Kaster earned his B.A. from St. Olaf College and his M.B.A. from the University of Minnesota, Carlson School of Business.

Dr. Levine is a Chief of the Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program at Memorial Sloan Kettering Cancer Center, a role he has held since 2018. He is also an Attending Physician on the Leukemia Service, Department of Medicine, the Laurence Joseph Dineen Chair in Leukemia Research and a Professor of Medicine at Weill Cornell Medical College, a position he has held since 2007. Dr. Levine served as a Resident in Internal Medicine at Massachusetts General Hospital and as a Hematology-Oncology Fellow at Dana-Farber Cancer Institute. His laboratory focuses on elucidating the genetic basis of myeloid malignancies, and using this knowledge to improve outcomes for patients with these disorders. His primary research interests include the role of JAK-STAT signaling in malignant transformation and in the effects of mutations in epigenetic modifiers in clonal hematopoiesis, MPN, and AML. Moreover, as a physician scientist, his laboratory has a specific interest in translating this knowledge back to the clinic and in participating in the preclinical and clinical evaluation of targeted therapies for leukemia patients. He has been honored with the Dameshek Prize from the American Society of Hematology, a Scholar Award from the Leukemia and Lymphoma Society, the Boyer Award for Clinical Investigation from Memorial Sloan Kettering Cancer Center, and a NCI Outstanding Investigator R35 Award. In 2011, he was elected to the American Society of Clinical Investigation and in 2018 to the Association of American Physicians. Since 2016, he has served as a member of the Supervisory Board of Qiagen, and since 2019, he has served as a board member of Ajax Therapeutics, a company that he also co-founded. In addition, Dr. Levine serves on the Scientific Advisory Board of C4 Therapeutics, Isoplexis, Mana Therapeutics and was on the Scientific Advisory Board of Loxo Oncology. Dr. Levine earned his A.B. from Harvard College and a M.D. from Johns Hopkins.