Addressing food allergies—leading an emerging therapeutic space by responding to a growing and critical unmet medical need

The experienced biotech and pharmaceutical leaders of Aimmune’s executive and management teams are inspired by the patients, families and physicians managing the daily risks associated with food allergies.

Executive Team


  • Daniel C. Adelman
    Daniel C. Adelman Chief Medical Officer

    Daniel C. Adelman, MD, is Aimmunes’s Chief Medical Officer. As an allergist and immunologist, he has led drug development at biotechnology companies for more than 20 years and taught and practiced medicine at the University of California, San Francisco, for more than 25 years. Most recently, Dr. Adelman spent seven years as Chief Medical Officer and Senior Vice President of Development at Alvine Pharmaceuticals, a biopharmaceutical company focused on autoimmune and inflammatory diseases, particularly celiac disease. He held the same positions, as Chief Medical Officer and Senior Vice President of Development, during five years at Sunesis Pharmaceuticals, Inc. Earlier, Dr. Adelman served in various roles at Pharmacyclics, Inc., including Vice President of Clinical Operations and Biometrics, and was a Clinical Scientist at Genentech, Inc.

    Dr. Adelman has published extensively in allergy, clinical immunology and autoimmunity, and oncology. He served on the Research Advisory Board of Food Allergy Research & Education (FARE) for more than five years and on the editorial board of the Journal of Allergy and Clinical Immunology for five years. He now serves on several clinical scientific advisory boards and on the editorial boards of Clinical Immunology and Journal of Clinical Immunology. Dr. Adelman holds a bachelor’s degree in biology from the University of California, Berkeley, and earned his MD from the University of California, Davis.

  • Sue Barrowcliffe
    Sue Barrowcliffe General Manager of Europe

    Sue Barrowcliffe is Aimmune’s General Manager of Europe and was formerly the company’s Senior Vice President, Regulatory, as well. She has 25 years of experience in global regulatory affairs and drug development with both large and small companies and has been CEO of a university spun-out oncology research company in the United Kingdom. Most recently, Ms. Barrowcliffe led her own consultancy, Right Track Regulatory, serving biotech companies for more than eight years.

    Previously, she was Director of Regulatory and Medical Strategy for Idis and VP of Regulatory Affairs Europe for Chiron BioPharmaceuticals. She was also VP Development for British Biotech, VP of Worldwide Product Registration for SmithKline Beecham, and Director of European Regulatory Affairs for Marion Merrell Dow. Ms. Barrowcliffe has a first class honours degree in Biochemistry from the University of Sheffield, UK.

  • Eric Bjerkholt
    Eric Bjerkholt Chief Financial Officer

    Eric Bjerkholt is Aimmune’s Chief Financial Officer. He has more than three decades of healthcare and biotechnology leadership experience in finance and related functions, both as an executive at publicly traded and early-stage companies and as an investment banker. Prior to joining Aimmune, he was CFO at Sunesis Pharmaceuticals, Inc., where, over 13 years with the company, his role expanded to oversee business development and multiple aspects of governance and corporate relations. In addition to taking Sunesis through its initial public offering in 2005, he raised more than $400 million for the company in other financings.

    Prior to Sunesis, Mr. Bjerkholt was CFO at IntraBiotics Pharmaceuticals, Inc., and LifeSpring Nutrition, Inc. He began his healthcare career at J.P. Morgan & Co. as an investment banker in New York and then launched the company’s Western U.S. healthcare practice. Mr. Bjerkholt holds a Cand. Oecon. (master’s) degree in economics from the University of Oslo and an M.B.A. from Harvard Business School. He has served on the boards of directors of several publicly traded companies and is currently a member of the board of directors and chair of the audit committee for Corium International, Inc.

  • Ken Boehm
    Ken Boehm SVP, Human Resources

    Ken Boehm is Aimmune’s Senior Vice President of Human Resources. He has more than thirty years of experience in human resources across several industries, including biotech, high-tech, and software, and has led human resources or filled a significant HR role in both very large companies and early stage, start-up companies. Most recently, Mr. Boehm was Senior Vice President, Human Resources, at E2open, a software cloud platform company.

    He was also led human resources for CV Therapeutics, where he was instrumental in their fast growth to nearly one thousand employees as the company prepared for commercial launch. Earlier, he provided human resources leadership at such companies as Gilead, Polycom, and Synopsys. Mr. Boehm holds a BA in Mathematics from the University of California, Los Angeles and an MBA from Pepperdine University.

  • Stephen G. Dilly
    Stephen G. Dilly Chief Executive Officer

    Stephen G. Dilly, MBBS, PhD, is Aimmune’s Chief Executive Officer and a member of Aimmune’s Board of Directors. His previous positions include Chief Executive Officer at APT Pharmaceuticals; Senior Vice President, Head of Development, and Chief Medical Officer at Chiron BioPharmaceuticals; and a number of senior executive clinical, development and commercial support positions at Genentech and SmithKline Beecham.

    Dr. Dilly played important roles in the development and approval of numerous drugs, including Kytril®, Requip®, Kredex®, Paxil CR®, Cathflo Activase®, Raptiva®, Xolair®, Avastin®, Lucentis®, Cubicin® and Tarceva®. He is on the Board of Sangamo Biosciences. Dr. Dilly received a PhD in Cardiac Physiology from the University of London and holds an MBBS, graduating as a physician from the University of London.

  • Jeffrey H. Knapp
    Jeffrey H. Knapp Chief Operating Officer

    Jeffrey H. Knapp is Aimmune’s Chief Operating Officer. He brings more than 25 years of experience in the pharmaceutical and biotechnology industry, most recently as Chief Operating Officer at Adamas Pharmaceuticals, which he joined as Chief Commercial Officer in early 2014. Mr. Knapp was previously Chief Commercial Officer at Affymax Inc., where, over seven years in the role, he built out the company’s U.S. commercial organization and led the launch of its first product.

    He has also led sales and marketing at Abgenix, Pharmion, and EMD Pharmaceuticals. He spent the first half of his career at Eli Lilly & Company and Schering-Plough in various sales, marketing and business development roles. Mr. Knapp earned his bachelor’s degree in biology from Wittenberg University.

  • Mary Rozenman
    Mary Rozenman SVP, Corporate Development and Strategy

    Mary Rozenman, PhD, is Aimmune’s Senior Vice President of Corporate Development and Strategy. Prior to joining Aimmune in 2015, Dr. Rozenman was a Vice President at Longitude Capital, where she focused on mid-stage biotechnology investments and was an observer on Aimmune’s Board of Directors. Dr. Rozenman was previously a Junior Partner at McKinsey & Company and a leader in the Healthcare and Corporate Finance practices.

    At McKinsey, she advised senior management of leading pharmaceutical companies on a range of strategic and operational issues across marketing, sales, and clinical and corporate development. She also led McKinsey’s global Biosimilars practice. Dr. Rozenman holds a PhD in Organic Chemistry and Chemical Biology from Harvard University and a BA in Russian Literature and Biochemistry from Columbia University. Her scientific work has been published in premier scientific journals, including Nature, and she is a named inventor on several patents.

  • Douglas Sheehy
    Douglas Sheehy General Counsel and Secretary

    Douglas Sheehy is Aimmune’s General Counsel and Secretary. He has more than 20 years of both in-house and law firm experience, including nearly a decade as general counsel. Mr. Sheehy joined Aimmune from Codexis, Inc., a developer of biocatalysts for the pharmaceutical and fine chemical industries, where he was hired as General Counsel and Secretary in 2007. Most recently, he was also the company’s Chief Administrative Officer.

    Previously, Mr. Sheehy spent five years in key legal roles at CV Therapeutics, Inc., a publicly held biopharmaceutical company that was subsequently acquired by Gilead in 2009. He began his legal career as a corporate attorney at Gunderson Dettmer LLP. Mr. Sheehy holds a BA in history from Dartmouth College and a JD from American University, where he served as Editor-in-Chief of the Law Review.

  • William Turner
    William Turner SVP, Global Regulatory Affairs and Quality Assurance

    Bill Turner is Aimmune’s Senior Vice President, Global Regulatory Affairs and Quality Assurance. He has more than 25 years of experience in regulatory affairs and quality assurance with biotechnology companies in all stages of clinical development, including extensive experience in biologics. Most recently, he led his own consultancy, where he advised executives and led regulatory and quality activities across multiple therapeutic areas.

    Previously, Mr. Turner spent seven years at Dynavax Technologies, where he was Vice President, Regulatory Affairs and Corporate Quality Systems, and six years at MedImmune where he was Senior Director of Regulatory Affairs. Earlier in his career, he handled regulatory affairs at Allergan and Alpha Therapeutics Corporation (now Grifols Biologicals). Mr. Turner holds a BS degree in Medical Microbiology from California State University, Long Beach.