Elevating transparency, empowering physicians
Our mission is to dramatically reverse burnout by improving the wealth and wellbeing of physicians.
Physicians from across the country are using Offcall
Our Values
Meet our leadership team
Our team has spent a combined 25+ years working in healthcare and technology. Our cofounder Dr. Graham Walker is the emergency medicine physician behind MDCalc and has firsthand experience with the challenges physicians are living through. Read his founding letter for Offcall.Meet the team
Dr. Graham Walker
CofounderBuilt for physicians
Backed by physicians.
We are fortunate to be backed by some of the world's best investors, including physician innovators, leading venture capital firms, and experienced angel investors and technology founders.

Karin KleinFounding Partner, Bloomberg Beta

Jonathan EhrlichFounding Partner, Roar Ventures

Jeremy LiewPartner, Lightspeed Venture Partners

Chris AltchekCEO, Cadence

Nathan Anderson, MDCardiology, CA

Mohammad Arfeen, DOInterventional Endoscopist, IN

Cheri Blauwet, MDPhysiatry and Sports Medicine, MA

Matt Bucknor, MD, MFARadiology, CA

Brad Goldberg, MDPediatric Emergency Medicine, CA

Kasey Grewe, MDCardiac Anesthesiologist, CA

Joe Habboushe, MDCEO, MDCalc

Katie Hatch, MDEmergency Medicine, CA

Jason Ho, MDAcute Care Surgery, NY

Kaveh Hoda, MDGastroenterology, CA

Jyoti Jain, MDPsychiatry, CA

Rocky Jedick, MD, MBAAviation & Emergency Medicine, UT

Christopher Johnson, MDEmergency Medicine, CA

Basil Kahwash, MDAllergy & Immunology, OH

Jenya Kaufman, MDPsychiatry, CA

Michael Ke, MDStroke Neurology, NV

Philip Kurien, MDAnaesthesiology, CA

Peter Liou, MDTransplant Surgery, NY

Matt Sakumoto, MDVirtualist PCP, CA

Michael Thomashow, MDRheumatology, CA

Edward Yap, MDAnaesthesiology, CA
And many others!

Get in touch

Finally, a platform built by and for physicians.
Everyone on our founding team is passionate about building tools to help doctors deliver the best care to their patients. Offcall is based in San Francisco.