About us

The Human Network Behind Modern Medicine

We are living through a time when science itself is under siege. Experts are doubted, data is distorted, and public health is relentlessly attacked. Too often, the voices of those who dedicate their lives to medicine are drowned out by noise.

At the same time, AI is opening extraordinary possibilities for how we discover, learn, and care. We believe in that promise. But as answers become easier to generate, the people behind medical knowledge matter more than ever. Their judgment. Their lived experience. Their willingness to question what we think we know. And their responsibility to the person sitting across from them.

We believe this moment calls for a fundamentally human network.

A place where physicians can find one another, build trust, and think together. Where they can discuss the results that didn’t make the paper, ask the questions they held back on rounds, and share the experiences that changed how they practice. Where technology helps bring the collective wisdom of medicine within reach—and the people who contribute that wisdom remain at its heart.

Roon is that place. A physician-only network for conversations and connections across medicine. A digital doctor’s lounge where the wisdom of one becomes a resource for many. Where a resident’s question can spark a new perspective, a community physician’s experience can inform a researcher’s next step, and colleagues across specialties can see possibilities they might never have found alone.

We are building Roon because the future of medicine deserves both extraordinary technology and enduring human connection. Because physicians need a place to shape that future together. And because public trust grows when people can see medicine at its best: curious, generous, rigorous, and deeply human.

The next chapter of medicine is ours to write. Together.

Vikram Bhaskaran
Arun Ranganathan
Rohan Ramakrishna

Our Team

Vikram Bhaskaran
Co-Founder & CEO
Former: Pinterest (Led teams spanning Product, GTM, Creators, Marketing, Sales)
Arun Ranganathan
Co-Founder & CTO
Former: Pinterest Head of Partner Engineering
Dr. Rohan Ramakrishna
Co-Founder & President
Professor of Neurological Surgery at Weill Cornell Medicine
Alexa Tovsen
Strategy & Partnerships
Physician Assistant at Planned Parenthood and Brigham and Women’s Hospital, Harvard MPH
Hannah Scott
Design
Former: Pinterest, Apple & Google
Ames Clark
Product Manager
Former: Rosé Mansion, Real Mental Health
Kristen Sunstrum
Strategy & Partnerships
Former: Dialogue, Harvard MPH, McGill University
Dr. Sophia Sidhu
Strategy and Partnerships Lead
Former: Stanford
Patrick Porché
Engineering
Former: Carbon Health
Koonal Bharadwaj
Engineering
Former: Rad AI
Kelvin De Los Angeles
Engineering
Former: Complex Networks
Dr. Alice Chen
Medical Advisor
Former: Executive Director of Doctors for America
Dr. Clara Sun
Consultant
Former: Rock Health
Dr. Jane Chuprin
Consultant
Former: UMass Medical School

Medical Advisors & Editorial Board

Michelle Kittleson, MD, PhD
Medical Director of Heart Transplantation, Cedars-Sinai
Christine Garcia, MD
Thoracic Oncologist, Weill Cornell Medicine
Paul Sufka, MD
Rheumatologist, Twin Cities Orthopedics
Sara Murray, MD, MAS
Chief Medical Informatics & AI Officer, Johns Hopkins Medicine
Jennifer Lincoln, MD
Author & OB Hospitalist, Providence Health
Robert Wachter, MD
Chair of Medicine, UCSF
Tami Rowen, MD, MS
Associate Professor of OB/GYN, UCSF
Nina Vasan, MD, MBA
Psychiatry, Stanford; Author
Rory Spiegel, MD
Emergency Medicine & Critical Care, MedStar Washington Hospital Center
Jim Yong Kim, MD, PhD
Former President of the World Bank; Co-founder, Partners In Health
Sarah Milla, MD
John D. Strain Endowed Chair for Radiology, Children’s Hospital Colorado
Elliot Tapper, MD
Hepatologist, University of Michigan
Rochelle Walensky, MD, MPH
Former Director, CDC; Professor of Medicine, Harvard Medical School
Michael Stanley, MD
Behavioral Neurologist, Tufts Medical Center
Tony Breu, MD
Director of Resident Education, VA Boston; Harvard Medical School
Joel Topf, MD
Nephrologist; Associate Professor, Oakland University William Beaumont
Nathan Falk, MD, MBA
Assistant Dean for GME, Florida State University College of Medicine
Mandy Cohen, MD, MPH
Former Director, CDC
Vin Gupta, MD, MPA, MSt
Former CMO, Amazon Pharmacy
Eric Winer, MD
Director, Yale Cancer Center
Paul Sax, MD
Clinical Director, Division of Infectious Diseases, Brigham and Women’s Hospital
Uma Mahadevan, MD
Director, UCSF Colitis and Crohn’s Disease Center
Naftali Kaminski, MD
Boehringer-Ingelheim Professor of Internal Medicine, Yale School of Medicine
Kimberly Mangla, MD
Clinical Director of Women’s Mental Health, Mount Sinai
Joshua Lang, MD
Cardiologist, Brigham and Women’s Hospital
Sachin Jain, MD, MBA
President & CEO, SCAN Group and SCAN Health Plan
Ben Rein, PhD
Neuroscientist