The Doctor's Office. Reinvented.

One Medical – Get to Know Us

Meet our Leadership Team

  • Amir Dan Rubin

    President & Chief Executive Officer

    As president and chief executive officer, Amir is focused on delivering better health through outstanding, coordinated clinical care; innovative digital technology; and the highest levels of service, access, and engagement. Previously, as EVP and divisional CEO of UnitedHealth Group’s Optum division, he oversaw a number of business lines focused on helping to make the health system work better for everyone. Prior to Optum, Amir was president and CEO of Stanford Health Care where he helped raise patient experience and quality scores to the highest levels in the nation, grow a regional network of care settings, and advance digital health and corporate partnerships in the heart of Silicon Valley. Amir also previously served as COO for the UCLA Health System, and has been awarded the EY Entrepreneur of the Year Award in Northern California in recognition of his role in innovation and industry transformation. He holds MBA and MHSA degrees from the University of Michigan.

  • Sandeep Acharya

    Vice President of Strategy and New Business

    Sandeep is the vice president of strategy and new business, responsible for leading two of the fastest-growing business units with the organization: enterprise and physician partnerships. Prior to joining us, Sandeep was an investor in healthcare at Bain Capital and technology at Insight Venture Partners. Sandeep now leads cross-functional teams helping drive successful partnerships with the organization's key strategic partners.

  • Garrick Bernstein

    Chief Financial Officer

    As the chief financial officer, Garrick oversees all financial matters for the company and leads the teams responsible for financial planning and analysis, accounting, and investment strategy. Garrick brings extensive operational finance, private equity, and capital market experience. Most recently, he was executive vice president and CFO of HealthGrades. Prior to HealthGrades, Garrick was a principal and investment professional at Vestar Capital Partners, working on numerous management buyouts, recapitalizations, and growth equity investments, and he served as a member of the board of directors for several Vestar companies.

  • Jeff Dobro, MD

    Chief Medical Officer

    With decades of leadership experience and clinical experience in population health, Jeff Dobro closely supports large employers and plan sponsors as chief medical officer. In addition to ensuring quality outcomes in the enterprise, Jeff also oversees value-based clinical design and contracting to help pioneer the industry shift from volume to value, putting patient results first. He has previously served in leadership roles at Redbrick Health and Willis Towers Watson, and completed his medical specialty training at New York University where he continues to teach as a board-certified rheumatologist.

  • Beth Frensilli

    General Counsel

    Beth brings extensive experience to her role as general counsel. Prior to joining, she served as general counsel for several public companies in the technology sector. These include Redback Networks, a networking equipment provider that was acquired by Ericsson; Commerce One, an enterprise software provider; and Scient Corporation, a technology services company. She has significant corporate and commercial experience representing both established and emerging growth companies, including public offerings and private investments, mergers and acquisitions, technology transactions and legal operations and infrastructure development.

  • Kimber Lockhart

    Chief Technology Officer

    Kimber is the chief technology officer, working to scale the technology innovations that underpin the re-invented doctor’s office and create a fully connected health engagement platform. Prior to joining, Kimber gained valuable experience at Box where she was most recently senior director of web application engineering, leading a number of engineering teams behind the growing commercial success of the company. Before that, Kimber co-founded and ran her own software company, Increo, which was acquired by Box. She is Chairman of the Board for the San Francisco Circus Center and is also an amateur circus artist.

  • Christine Morehead

    Chief People Officer

    Christine is the chief people officer and has been instrumental in developing the department from the ground-up, selecting a talented team of HR and recruitment professionals. She has experience with rapid-growth companies and brings innovative HR solutions to meet the needs of quickly growing organizations. Prior to joining, Christine served as a founding member of the Virgin America team that brought the company from incubation to an award-winning airline.

  • Vanessa Hope Schneider

    Vice President of Marketing

    Vanessa leads the team that crafts programs to highlight the importance of personal primary care—within the One Medical membership and beyond. Focused on both individuals and corporations, her team showcases the company’s offering by highlighting its clinical excellence and innovative approach. Prior to joining, she drove marketing and communications efforts at Airbnb, Eventbrite, and several major book publishers.

  • Jan Vorfeld

    Head of Operations

    As head of operations, Jan leads the teams responsible for operations and real estate, helping scale the business and deliver high-quality care at dozens of locations across the country. She comes to us with deep operating experience in health care, technology, and financial services. Jan held leadership roles at Keas, Blue Shield, and Schwab, and most recently was head of operations at Healthline Networks, a leading provider of health information and technology solutions.

  • Tom X. Lee, MD

    Founder & Executive Chairman

    Tom is the visionary behind One Medical, which he founded in San Francisco in 2007. Previously, Tom served as chief medical officer, editor-in-chief, and lead designer of mobile applications for Epocrates – currently in use by millions of health care professionals worldwide to reduce medication errors. Tom is a board-certified internist who completed training at Harvard’s Brigham and Women’s Hospital. He received his bachelor’s degree from Yale University, MD from the University of Washington School of Medicine, and MBA from Stanford University’s Graduate School of Business.