Executive Team

We are a values-driven company that works to embody Integrity, Passion, Accountability, Creativity, and Teamwork in the pursuit of our mission. Our experienced leadership team has decades of proven success in drug development and commercialization from life-science companies large and small.

David A. Cory, RPH, MBA

David A. Cory, RPH, MBA

President and Chief Executive Officer, Business Founder
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David Cory is an industry veteran with more than 25 years of experience in large pharmaceuticals, emerging stage biotechnology, and specialty pharmaceutical organizations with an established track record of operational performance, including 5 successful Orphan Designation drug programs.

Mr. Cory is President and CEO, Director, and business founder of Eiger BioPharmaceuticals, leading the company since its founding in 2008. Mr. Cory is responsible for negotiating Eiger’s multiple technology and product licenses from Stanford University, Merck, Nippon Kayaku, Janssen, BMS, and The Progeria Research Foundation. Prior to Eiger, Mr. Cory was President and Chief Operating Officer of Prestwick Pharmaceuticals, an orphan CNS specialty pharmaceutical company, which was acquired by Biovail for $160 million in 2007. Previously, Mr. Cory was a Co-Founder at CoTherix, an orphan pulmonary arterial hypertension company, which was acquired by Actelion for $425 million in 2006. Mr. Cory began his biotech career at InterMune, focused on developing orphan products for idiopathic pulmonary fibrosis, where he was a Senior Vice President and a key executive in the company IPO, building and managing the company’s commercial organization, in-licensing 4 products and raising more than $400 million in the capital markets. InterMune was ultimately acquired by Roche for $8 billion in 2013. Mr. Cory spent over a decade in large pharma in positions of increasing responsibilities in commercial operations at Glaxo, Glaxo Welcome, and Glaxo Smith Kline where he led teams in oncology, critical care, CNS, infectious disease, and respiratory therapeutic areas, and directed 10 newly approved pharmaceutical product launches. Mr. Cory began his pharmaceutical career in sales at The Upjohn Company.

Mr. Cory earned a BS in Pharmacy from the University of Cincinnati, College of Pharmacy, was board certified in Pharmacy in the state of Ohio, and holds an MBA from the University of Maryland.

Sri Ryali, MBA

Sri Ryali, MBA

Chief Financial Officer
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Sri Ryali brings more than 15 years of finance and commercial experience to Eiger. He was most recently at Aimmune Therapeutics, Inc., where he was Vice President of Finance, responsible for building and leading the finance department from Aimmune’s 2015 initial public offering, and subsequently was a key executive involved in operational preparation for product approval.

Previously, Mr. Ryali led US Financial Planning and Analysis at Jazz Pharmaceuticals and was Head of Corporate Finance at Onyx Pharmaceuticals, Inc., until the company was acquired by Amgen, Inc. in 2013 for $10.4 billion. Following the acquisition, he continued as Head of R&D, Technical Operations, and Medical Affairs Finance at Onyx. Mr. Ryali began his career in the biopharmaceutical industry at Amgen Inc., where he held positions of increasing responsibility in the finance organization.

Mr. Ryali earned a BA from UCLA with a double major in Economics and Microbiology, Immunology & Molecular Genetics and an MBA from UCLA Anderson School of Management.

Stephana Patton PHD, JD

Stephana Patton PHD, JD

General Counsel, Corporate Secretary, And Chief Compliance Officer
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Stephana Patton brings 20 years of experience creating portfolio value at publicly-traded biotechnology and pharmaceutical companies. She was formerly the General Counsel, Corporate Secretary, and Chief Compliance Officer of BioTime, Inc., a clinical-stage biotechnology company focused on the development and commercialization of novel therapies for the treatment of degenerative diseases.

Prior to BioTime, she was the General Counsel and Commercial Compliance Officer at BioDelivery Sciences, a publicly-traded specialty pharmaceutical company. Before BioDelivery Sciences, she held various senior management positions, including leading Intellectual Property (IP) and Licensing at Salix Pharmaceuticals, a global pharmaceutical company that was acquired for $11.2 billion in 2015. Prior to joining Salix, Dr. Patton was in private practice at a large international law firm known for its IP and corporate securities practices. Her practice focused on counseling clients on IP-related matters as well as licensing transactions for biotechnology and pharmaceutical companies at varying stages of product development.

Dr. Patton earned a JD from the Boston University School of Law and a PhD in Biochemistry, Cell, and Developmental Biology from Emory University.

Eldon Mayer III, MBA

Eldon Mayer III, MBA

Executive Vice President and Chief Commercial Officer
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Eldon Mayer is a seasoned leader who brings extensive experience in building and managing high-performance commercial teams, as well as product launch planning and lifecycle management.

Prior to joining Eiger, Mr. Mayer was Executive Vice President and Chief Commercial Officer of Rigel Pharmaceuticals where he built and led the commercial organization of over 60 people and the successful launch of Tavalisse (fostamatinib disodium hexahydrate) for chronic immune thrombocytopenia, a rare disease. Previously, Mr. Mayer was Senior Vice President of Commercial Operations at Questcor Pharmaceuticals, focused on serious, rare diseases, where he built and managed a commercial team of over 400 people, successfully commercialized Acthar Gel (repository corticotropin injection), and grew annual sales to over $1 billion. Questcor was acquired by Mallinckrodt for $5.6 billion in 2014. Earlier in his career, he held positions of increasing responsibilities at companies including Schering-Plough, ALZA, Chiron, and Connetics, in functional areas including strategic planning, marketing, sales, market research and analytics, operations, and finance. Mr. Mayer has served as a member of the board for Eiger BioPharmaceuticals, Inc., Promet Therapeutics, LLC, and the National Community Oncology Dispensing Association.

Mr. Mayer holds a BS in Finance from Fairleigh Dickinson University and an MBA in Marketing from Syracuse University.

James P. Shaffer, MBA

James P. Shaffer, MBA

Chief Business Officer
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James Shaffer brings extensive commercial leadership and business experience with more than 20 years of experience with large pharmaceuticals, emerging biotechnology and specialty pharmaceutical companies in Infectious Disease, Neurology, Oncology, GI, and Pulmonary Care.

Prior to joining Eiger, Mr. Shaffer served as Vice President and Chief Commercial Officer for Halozyme Therapeutics from 2011-2014 where he was responsible for Sales, Marketing and Business Development overseeing the re-launch of Hylenex and product development in Diabetes and Oncology. From 2007-2011, Mr. Shaffer was Executive Vice President and Chief Commercial Officer responsible for Sales, Marketing, Business Development, and Manufacturing with Clinical Data, Inc., who developed Viibryd, a novel antidepressant, which was acquired by Forest Laboratories for $1.2 billion. Mr. Shaffer was Vice President of Commercial Operations for New River Pharmaceuticals which developed Vyvanse for the treatment of ADHD and was acquired by Shire for $2.6 billion in 2007. From 2004-2007, he was Senior Director of Commercial Operations for Prestwick Pharmaceuticals overseeing the collaboration with Cambridge Labs for Xenazine, an Orphan CNS specialty product, and responsible for the development of the company’s commercial capabilities in the US and Canada. From 2001-2004, Mr. Shaffer was the National Sales Director for InterMune. He spent the first 10 years of his career in numerous sales and marketing positions of increasing responsibility with Merck and GlaxoSmithKline.

James Shaffer is a graduate of the Ohio State University where he earned his BS in Economics and an MBA.

Ingrid Choong, PHD

Ingrid Choong, PHD

Senior Vice President, Clinical Development
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Ingrid Choong brings more than 15 years of experience within the biotechnology / pharmaceutical industry. Dr. Choong joined Eiger as a member of the founding team in 2008 as a Principal Scientist before transitioning into operations as the company focus evolved toward HDV and other orphan diseases. She has been a contributing member on all aspects of our programs, from licensing through each stage of clinical and regulatory development, leading to the late stage pipeline we are now advancing at Eiger. Along the way, she played a key role as head of Investor Relations and Corporate Development, participating in every financing to fund company operations. As SVP of Clinical Development, Dr. Choong leads the HDV program, including both Lonafarnib and Lambda programs.

Dr. Choong earned a BS in Chemistry from the California Institute of Technology and a PhD in Chemistry from the University of California at Berkeley.

Colin Hislop, MD

Colin Hislop, MD

Senior Vice President, Clinical and Development Operations
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Colin Hislop has over 30 years of experience in drug development including small molecules, peptides and biologics, across therapeutic areas in both large pharma and start-up companies. Prior to joining Eiger full-time, Dr. Hislop was the Company’s senior medical advisor to the Progeria program and was instrumental to Eiger’s first NDA submission of Lonafarnib for the treatment of Progeria and Progeroid Laminopathies.

Prior to joining Eiger, Dr. Hislop served as Chief Medical Officer at Versartis and Anthera. He was previously Vice President and Head of Clinical Development at Peninsula Pharmaceuticals developing doripenem for systemic infections. Peninsula was acquired by J&J for $245 million. Dr. Hislop served as Vice President of Clinical Development at CV Therapeutics where he developed and filed an NDA for Ranexa for angina. CV Therapeutics was acquired by Gilead for $1.4 billion. He previously led the development of Actonel through initial FDA approvals for osteoporosis at Proctor & Gamble. Dr. Hislop began his industry career at Eli Lilly as Medical Director of Endocrinology for insulin and growth hormone. During his career, Dr. Hislop has been involved in all phases of drug development from IND to Phase 4, and has led numerous US, European, and global regulatory filings, including 4 NDAs.

Dr. Hislop earned a Bachelor of Science in Medical Biochemistry from the University of Surrey and a Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.) at the University of London.

Rich Franco, MBA

Rich Franco, MBA

Senior Vice President, Progeria Program Lead
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Rich Franco has been in the healthcare industry for more than 25 years. He has held leadership roles across a variety of functional areas including commercial, marketing research, regulatory affairs, pharmacovigilance, managed markets, customer service, and medical affairs. Mr. Franco joined Eiger in 2016 as the VP of Clinical Strategy.

Mr. Franco is responsible for alignment between clinical and commercial functions across all of Eiger’s development programs. He is also leading the company’s efforts to develop and launch a global expanded access program for children with Progeria. Before joining Eiger, he served as the Vice President and General Manager of Valeant Pharmaceutical’s Pain and Hospital divisions. While there he played a significant role in gaining FDA approval and launching Relistor tablets for opioid induced constipation. In 2014, Mr. Franco joined Sprout Pharmaceuticals as the corporate officer responsible for commercial, medical affairs, and pharmacovigilance. He played an essential role in advisory committee preparations and gaining FDA approval for Addyi, the first drug approved for female hyposexual desire disorder. While at Sprout he led the company’s efforts to develop one of the industry’s most comprehensive Risk Evaluation and Mitigation Strategies (REMS). Earlier in Mr. Franco’s career, he cofounded Arbor Pharmaceuticals and held leadership positions at GlaxoSmithKline, Slate Pharmaceuticals, Clinical Data Inc, and LipoScience.

Mr. Franco has also been a consultant to Halozyme Pharmaceuticals, BASF, Intrexon, IQVIA, Novan Pharmaceuticals, Salix Pharmaceuticals, Dara BioSciences, Talecris and Ashfield Commercial Services.

Thomas J. Dietz, PHD

Thomas J. Dietz, PHD

Chairman of the Board, Chairman and CEO of Waypoint Holdings, LLC

Thomas Dietz is Chairman and CEO of Waypoint Holdings, LLC, a diversified financial holdings and services company. Dr Dietz was co-CEO then CEO and a Director of Pacific Growth Equities, LLC, a San Francisco-based investment bank and institutional brokerage firm from 2004 to 2009, when the firm was acquired by Wedbush Securities.

Dr. Dietz served as Head of the Investment Banking Division at Wedbush until November 2010. Prior to taking the CEO role at Pacific Growth, Dr. Dietz served as the Company’s Director of Equities Research and was an award-winning biotechnology and biopharmaceutical analyst. Dr. Dietz joined Pacific Growth in 1993. Previously, he was a member of the research faculty in the Department of Medicine, University of California, San Francisco and the VA Medical Center. Dr. Dietz also serves as a Director of Paratek Pharmaceuticals (PRTK: Nasdaq), Leap Therapeutics (LEAP: Nasdaq) and several private companies.

Thomas Dietz holds a PhD in molecular biology and biochemistry from Washington University, St. Louis, and was a National Science Foundation Post-Doctoral Fellow.

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Evan Loh, MD, MBA

Evan Loh, MD

DIRECTOR, CHIEF EXECUTIVE OFFICER OF PARATEK PHARMACEUTICALS, INC.

At Paratek, Evan Loh, M.D. is the Chief Executive Officer since June 2019. Prior to that, Dr. Loh served as Chief Operating Officer since January 2017 and as President and Chief Medical Officer and a member of the Board of Directors since July 2014. Prior to the merger with Transcept Pharmaceuticals, Dr. Loh was appointed President in June 2014 and served as Chief Medical Officer and Chairman of the Board of Directors from June 2012 to June 2014. Previously, Dr. Loh served as Senior Vice President, Development and Strategic Operations, Worldwide Research and Development, at Pfizer. While at Pfizer, Dr. Loh’s responsibilities included scientific, operational, and strategic drug development oversight for all pre-proof of concept development phase programs and leading portfolio prioritization. Dr. Loh joined Pfizer from Wyeth Pharmaceuticals, where he was Vice President, Multiple Therapeutic Areas where he was responsible for global development strategy and clinical operational deliverables. At Wyeth, he led the successful global registration programs for Torisel and Tygacil. He currently serves as Vice Chair of the Antimicrobials Working Group, an industry leading organization of biotech companies focused on antimicrobial development. Dr. Loh served as a director on the Board of Nivalis (Nasdaq: NVLS) from 2012 until the completion of its sale to Alpine Immunotherapeutics (Nasdaq: ALPN) in 2017. Dr. Loh served as a faculty member at both Harvard Medical School and the University of Pennsylvania School of Medicine. Dr. Loh received his A.B. from Harvard College and his M.D. from Harvard Medical School. He completed his Internal Medicine and Cardiovascular fellowship training at Brigham and Women’s Hospital.

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Christine Murray, MS, RAC

Christine Murray, MS, RAC

INDEPENDENT DIRECTOR

Christine Murray was appointed as a member of the Board in January 2019. Ms. Murray serves as Senior Vice President of Regulatory Affairs at Ultragenyx Pharmaceutical, Inc. (NASDAQ: RARE). Prior to joining Ultragenyx Pharmaceutical, Inc, Ms. Murray was Vice President of Regulatory Affairs at Raptor Pharmaceuticals, a company that developed products for serious, ultra-rare diseases, from 2015 to 2017.

Raptor Pharmaceuticals was acquired by Horizon Pharma plc. in 2017. Ms. Murray also held positions of increasing responsibility at a number of biopharma companies, including Achaogen, Inc. from 2011-2015, Alexza Pharmaceuticals, Inc. from 2008–2011, and Gilead Sciences, Inc. from 2004-2008, in Regulatory Affairs and Quality Assurance.

Ms. Murray holds a BS in Biochemistry from Liverpool University, UK, an MS in Clinical Biochemistry from the University of Newcastle-upon-Tyne, UK, and a Regulatory Affairs Certification from the University of California Santa Cruz Extension.

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Jeffrey S. Glenn, MD, PHD

Jeffrey S. Glenn, MD, PHD

DIRECTOR, SCIENTIFIC FOUNDER

Jeffrey Glenn is a Professor of Medicine, Gastroenterology & Hepatology at Stanford University, and the Director of the Center for Hepatitis and Liver Tissue Engineering.

Dr. Glenn is an author on over 100 scientific articles and book chapters, is an inventor on over 50 issued and pending patent applications, and has been an active consultant for a variety of biotechnology and large pharmaceutical companies. His primary research interest is in molecular virology, with a strong emphasis on translating this knowledge into novel antiviral therapies. He is the principal investigator on multiple NIH grants, an elected member of the American Society for Clinical Investigation, and a member of the FDA Antiviral Drugs Advisory Committee.

Dr. Glenn’s work has focused on the function and cell biology of the hepatitis C virus (HCV) non-structural proteins, targeting RNA secondary structure in influenza virus, and identifying host cell targets exploited by a wide range of viruses. Dr. Glenn discovered the role of prenylation in the life cycles of hepatitis delta virus (HDV) and other viruses including as a trigger of virus assembly and a target for a promising antiviral treatment that is the basis of the Company’s lead programs. Other interests include NASH, novel anti-cancer therapies, and the engineering of human liver tissues.

Jeffrey Glenn received his undergraduate degree from the University of California, Berkeley summa cum laude in Biochemistry and French Civilization, and both a PhD in Biochemistry and Biophysics and an M.D. from the University of California, San Francisco Medical Scientist Training Program. He completed an internship and residency in internal medicine, as well as a fellowship in gastroenterology, at Stanford University’s School of Medicine.

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Amit K. Sachdev, JD

Amit K. Sachdev, JD

INDEPENDENT DIRECTOR

Amit K. Sachdev is Chief Regulatory Officer at Vertex Pharmaceuticals, where he has served over the past decade in numerous executive leadership roles spanning the business as an executive officer and member of the Executive Committee. During this time, the company has experienced sevenfold growth and successfully developed and commercialized 4 novel breakthrough medicines for patients with serious liver disease and for patients with a life-threatening lung disease called cystic fibrosis.

Today, Vertex is one of the world’s leading global biotechnology companies with its headquarters in Boston, Massachusetts and London, England. Throughout the prior decade, Mr. Sachdev held various senior executive appointments in government both at the US FDA and in the US House of Representatives. He also practiced law first at the American Chemistry Council and at the law firm of Ropes and Gray.

Mr. Sachdev serves on several non-profit and philanthropic boards, including MassBIO, a biotechnology innovation association in Massachusetts, and Imagine and Answer, a charity group focused on supporting research into rare forms of low-grade pediatric brain cancer. In 2017, he joined the Board of Advisors for the Stanford Center for Longevity Studies.

Mr. Sachdev received a BS from Carnegie Mellon University and a JD from Emory University School of Law.

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David Apelian, MD, PHD, MBA

David Apelian, MD, PHD, MBA

DIRECTOR

David Apelian brings extensive clinical development and regulatory experience, spanning 17 years between large pharma and biotechnology companies in all phases of development ranging from discovery to registration, across multiple therapeutic areas including gastroenterology, hepatology, immuno-oncology, infectious diseases, and rare diseases.

Dr. Apelian is currently CEO at BlueSphere Bio. Prior to that, he was Chief Operating Officer and Executive Medical Officer at Eiger where he was head of all R&D and Regulatory Affairs. From 2013 to 2018, he was Executive VP and Chief Medical Officer of Achillion Pharmaceuticals, Inc. At Achillion, he was responsible for creating portfolio strategy and managing the company’s clinical development programs. He was instrumental in securing a partnership between Achillion and J&J, which resulted in a $225 million equity investment. More recently, he led the rare disease development program for novel small-molecule complement factor D inhibitors for alternative pathway-mediated diseases. From 2005 to 2013, Dr. Apelian was Chief Medical Officer and subsequently head of all R&D and Regulatory Affairs for GlobeImmune. He was previously at Bristol-Myers Squibb where he served as Clinical Director and Medical Leader for development of Baraclude (entecavir) for chronic HBV through NDA filing. Prior to that, Dr. Apelian was Clinical Director in the Department of Hepatology & Gastroenterology at Schering Plough, where he coordinated a supplemental NDA filing for interferon alpha-2b and ribavirin for the treatment of pediatric patients with chronic HCV.

Dr. Apelian completed his residency training in pediatrics at New York Hospital, Cornell Medical Center and is board certified in Pediatrics. He received a PhD in Biochemistry from Rutgers University, an MD from the University of Medicine and Dentistry of New Jersey and an MBA from Quinnipiac University. He earned a BA in Biochemistry from Rutgers University.

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David A. Cory, RPH, MBA

David A. Cory, RPH, MBA

President and Chief Executive Officer, Business Founder

David Cory is an industry veteran with more than 25 years of experience in large pharmaceuticals, emerging stage biotechnology, and specialty pharmaceutical organizations with an established track record of operational performance, including five successful Orphan Designation drug programs.

Mr. Cory is President and CEO, Director, and business founder of Eiger BioPharmaceuticals, leading the company since its founding in 2008. Mr. Cory is responsible for negotiating Eiger’s multiple technology and product licenses from Stanford University, Merck, Nippon Kayaku, Janssen, BMS, and The Progeria Research Foundation. Prior to Eiger, Mr. Cory was President and Chief Operating Officer of Prestwick Pharmaceuticals, an orphan CNS specialty pharmaceutical company, which was acquired by Biovail for $160 million in 2007. Previously, Mr. Cory cofounded CoTherix, an orphan pulmonary arterial hypertension company, which was acquired by Actelion for $425 million in 2006. Mr. Cory began his biotech career at InterMune, focused on developing orphan products for idiopathic pulmonary fibrosis, where he was a Senior Vice President and a key executive in the company IPO, building and managing the company’s commercial organization, in-licensing 4 products and raising more than $400 million in the capital markets. InterMune was ultimately acquired by Roche for $8 billion in 2013. Mr. Cory spent over a decade in large pharma in positions of increasing responsibilities in commercial operations at Glaxo, Glaxo Wellcome, and Glaxo Smith Kline where he led teams in oncology, critical care, CNS, infectious disease, and respiratory therapeutic areas, and directed 10 newly approved pharmaceutical product launches. Mr. Cory began his pharmaceutical career in sales at The Upjohn Company.

Mr. Cory earned a BS in Pharmacy from the University of Cincinnati, College of Pharmacy, was board certified in Pharmacy in the state of Ohio, and holds an MBA from the University of Maryland.

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