The Pathalys Team

We are an experienced and highly motivated team focused on improving the lives of patients with chronic kidney disease through the development and improvement of therapeutic treatments.

MANAGEMENT

Neal Fowler, MBA

Chief Executive Officer

Patrick Treanor, MBA

Chief Operating Officer

Bastian Dehmel, MD

Chief Medical Officer

David Banks, MBA, MS

SVP Technical Operations

Greg Klatt, CPA

SVP Finance

BOARD OF DIRECTORS

BT Slingsby, MD, PhD, MPH

Co-Founder and Executive Chairman

Neal Fowler, MBA

Chief Executive Officer & Board Member

Bali Muralidhar, MD, PhD

Board Member

Joseph Siletto, MBA

Board Member

Chen Yu, MD, MBA

Board Member

INVESTORS

Neal Fowler, MBA

Cheif Executive Officer

Neal is the Chief Executive Officer of Pathalys Pharma, Inc. He previously served as CEO of Liquidia Technologies (NASDAQ), transforming the company from an early-stage research platform into a publicly traded biomedicines company. While at Liquidia, Neal also co-founded and served as CEO of Envisia Therapeutics (acquired), an ophthalmology therapeutics company. Prior to Liquidia, Neal worked for seven years with Johnson and Johnson, serving as President of Centocor, Inc., a global multi-billion dollar subsidiary focused on biomedicines, and President of Ortho-McNeil Neurologics, a company focused on neurological disorders. Neal started his career with Eli Lilly and Company, working for thirteen years in a variety of sales, marketing and business development roles in both the pharmaceutical and medical device divisions. Neal is the current chair of both NCBIO and the UNC Eshelman School of Pharmacy Foundation and serves on the board of Emergent BioSolutions (NYSE). He is a native of Raleigh, NC and earned his BS degree in Pharmacy and MBA, both from the University of North Carolina at Chapel Hill.

Patrick Treanor, MBA

Chief Operating Officer

Patrick is the Chief Operating Officer of Pathalys Pharma, Inc. He previously served as President, US for Vifor Pharma, an international pharmaceutical company focused on nephrology. Mr. Treanor began his career with large pharmaceutical organizations such as Johnson & Johnson and Abbott Laboratories over 25 years ago but found his niche building early-stage commercial organizations at companies such as Oscient Pharmaceuticals, AMAG Pharmaceuticals, Insulet Corporation and Relypsa Pharmaceuticals. Mr. Treanor currently serves on the board of directors of KalVista Pharmaceuticals, Inc., a clinical stage pharmaceutical company focused on the discovery, development, and commercialization of oral, small molecule protease inhibitors. He holds a BS in Management from Bryant University and an MBA from Rensselaer Polytechnic Institute.

Bastian Dehmel, MD

Chief Medical Officer

Bastian is the Chief Medical Officer of Pathalys Pharma, Inc. Previously, Bastian served as the Chief Development Officer at Oculis and Chief Medical Officer of OxThera. Prior to OxThera, Bastian held roles of increasing responsibility within Medical Affairs and Clinical Development at Amgen where he dedicated over a decade of his career to nephrology product development, culminating in the role of Global Development Executive Medical Director. Prior to Amgen, Bastian served as International Medical Advisor at Novo Nordisk in Denmark and Medical Advisor Diabetes at GlaxoSmithKline, Germany. Bastian holds a Doctor of Medicine (MD) from Free University Berlin Medical School and received his clinical training in Internal Medicine at Charité University in Berlin, Germany, as well as Tulane University, New Orleans, Louisiana.

David Banks, MBA, MS

SVP Technical Operations

David is the Senior Vice President, Technical Operations for Pathalys Pharma, Inc. David has more than 30 years of Manufacturing, Supply Chain, and Quality experience in the pharmaceutical industry, having held positions of increasing responsibility at a number of companies including GSK (as SmithKline Beecham), Roche (as Syntex), Johnson & Johnson (as Alza), and Gilead (CV Therapeutics), in addition to having consulted for numerous life science startups. Product development including engineering, technology transfer, validation, as well as commercial product production management, planning, materials and distribution management, and executive management are areas of expertise.  David’s contributions to ten pharmaceutical product launches demonstrate his ability to handle complex operations in compressed timeframes. David earned a BS in Engineering from TN Tech University, MBA from East TN State University, and MS in Finance from the University of San Francisco.

Greg Klatt, CPA

SVP Finance 

Greg is Senior Vice President of Finance at Pathalys Pharma. Previously, Greg was Assistant Controller at Aravive, Inc., a clinical stage biotechnology company focused on developing innovative therapies to address the unmet medical needs of cancer patients. Before Aravive, Greg held positions at Alvarez & Marsal focusing on financial due diligence in various private equity transactions. Greg also worked at Ernst & Young specifically in the assurance practice and subsequently transferring to their transaction advisory group. Greg earned his B.S. at the Univeristy of Oregon and holds his license as a CPA in the State of California.

BT Slingsby, MD, PhD, MPH

Co-Founder and Executive Chairman

BT is Founder and Managing Partner with Catalys Pacific. He served as founding CEO of Pathalys during its creation and early stages of incubation. He founded Catalys Pacific to transform life-sciences innovation in Japan using transpacific bioventure. BT is a physician-scientist and biotechnology entrepreneur leading the company creation efforts for the firm. Prior to Catalys Pacific, he founded the Global Health Innovative Technology (GHIT) Fund – the world’s first public-private fund focused on the development of new medicines for low- and middle-income countries.

BT graduated from Brown University with honors, earned his MPH. and PhD from Kyoto University and the University of Tokyo, and received his MD with honors from the George Washington University. In recognition of his contributions to global health, he has been awarded a Foreign Ministry Commendation from the Government of Japan. BT has authored over 50 peer-reviewed articles on medicine and public health and currently is a visiting professor at the Graduate School of Medicine at the University of Tokyo, Kyoto University, and Osaka University.

Neal Fowler, MBA

Cheif Executive Officer & Board Member

Neal is the Chief Executive Officer & Board Member of Pathalys Pharma, Inc. He previously served as CEO of Liquidia Technologies (NASDAQ), transforming the company from an early-stage research platform into a publicly traded biomedicines company. While at Liquidia, Neal also co-founded and served as CEO of Envisia Therapeutics (acquired), an ophthalmology therapeutics company. Prior to Liquidia, Neal worked for seven years with Johnson and Johnson, serving as President of Centocor, Inc., a global multi-billion dollar subsidiary focused on biomedicines, and President of Ortho-McNeil Neurologics, a company focused on neurological disorders. Neal started his career with Eli Lilly and Company, working for thirteen years in a variety of sales, marketing and business development roles in both the pharmaceutical and medical device divisions. Neal is the current chair of both NCBIO and the UNC Eshelman School of Pharmacy Foundation and serves on the board of Emergent BioSolutions (NYSE). He is a native of Raleigh, NC and earned his BS degree in Pharmacy and MBA, both from the University of North Carolina at Chapel Hill.

Bali Muralidhar, MD, PhD

Board Member

Bali is Managing Partner and Chief Investment Officer at Abingworth, a leading transatlantic life sciences investment firm. He has over 15 years professional experience in healthcare across a range of functions including venture investing, CCD, R&D, clinical practice, and teaching. He represents Abingworth on the boards of Anjarium, Glycomine, NuCana (NCNA), Reneo Pharmaceuticals (RPHM), Spruce Biosciences (SPRB) and Wugen. He is also an executive officer on the joint steering committee of CymaBay. Prior to Abingworth, Bali was a senior partner at MVM Partners LLP in London where he completed investments in and served on the boards of several companies, both public and private. In 2018, Bali was named among Financial News’ Rising Stars in Private Equity, which celebrated 25 men and women under the age of 40 standing out in the European private equity industry. Before MVM, Bali was a member of Bain Capital’s healthcare deal team. Bali obtained a degree in clinical medicine from the University of Oxford and practiced general surgery at the John Radcliffe and Addenbrooke’s Hospitals in Oxford and Cambridge, respectively. He has a PhD in translational cancer research from the MRC Cancer Cell Unit, University of Cambridge, and has published over a dozen peer reviewed papers. He was also a Bye-Fellow in Medical Sciences at Downing College, Cambridge where he taught pathology, surgery, and medicine.

Joseph Siletto

Board Member

Joseph Siletto is Managing Partner of Life Sciences Private Capital (“LSPC”) within J.P. Morgan Private Capital, a division of J.P. Morgan Global Alternatives in J.P. Morgan Asset Management. Joseph joined from Vivo Capital in 2024. While at Vivo, Joseph focused on sourcing investments, executing transactions and serving on the board of directors for growth and private equity companies. Over his time with the firm, he sourced and served on the board of over 10 companies. In addition to his investment and board responsibilities, Joseph also took an active operations role within several portfolio companies. Prior to his time at Vivo, Joseph created the business plan and was the co-founder for Scion Medical Technologies, a company which completed a half dozen acquisitions to build a global, commercial medical device portfolio focused on interventional oncology. Scion was ultimately sold to NYSE-listed Varian Medial and is now part of Siemens. Prior to his time as an entrepreneur and investor, Joseph was an investment banker for Cowen & Company and Bank of America Securities focused on healthcare M&A and capital raising. Joseph has a Bachelor of Arts from Duke University and an MBA from the Haas School of Business at the University of California at Berkeley.

Chen Yu, MD, MBA

Board Member

Dr. Yu is the founder and Managing Partner at TCGX. Prior to founding TCGX, Dr. Yu spent sixteen years as a Managing Partner at Vivo Capital, a life sciences focused investor with $4.5 B AUM. Dr. Yu has extensive operating experience with leadership roles at both private and public companies, including stints as the COO of Sagent Pharmaceuticals and CBO of China KangHui, both of which went public and were ultimately acquired. Dr. Yu has served on the board of over a dozen private/public companies, including Artios, Upstream Bio, Structure Therapeutics (NASDAQ:GPCR), Arbor Biotechnologies, Tarsus Pharmaceuticals (NASDAQ: TARS), Sagent Pharmaceuticals (NASDAQ: SGNT, acquired by Nichi-I-Ko), China Kanghui (NYSE:KH, acquired by Medtronic), Rempex (acquired by Medicines Company), Kala (NASDAQ:KALA), Nabriva (NASDAQ: NBRV), Surgical Specialties (acquired by GTCR), Sentre Heart (acquired by Atricure), and NKF Pharma (SHA: 603707). While at Vivo, he also led investments in Zai Labs (NASDAQ: ZLAB), RiverVision (acquired by Horizon), CRISPR Therapeutics (NASDAQ:CRSP), Intellia (NASDAQ: NTLA), Durata (acquired by Actavis), Trauson (acquired by Stryker), and Revolution Medicines (NASDAQ:RVMD).

Dr. Yu also serves on the California Leadership Council for the Nature Conservancy and was previously a member of the Stanford Medical School Alumni Board of Governors. Dr. Yu received his M.D. and M.B.A. from Stanford University and graduated magna cum laude with a B.A. in Biology from Harvard University.