Dr. Singh is CEO and partner at Flagship Pioneering and CEO at Harbinger Health. He serves on the Board of Directors of several oncology focused companies: Artidis, Leo Cancer Care, and Sofie Biosciences. He is also an adjunct professor at the School of Medicine at Stanford. Dr. Singh previously served as the CEO of Siemens Oncology and as CEO of BioImagene, a cancer diagnostics startup that was acquired by Roche, and as a senior advisor to the Tata Trusts Cancer Care program. He has published two books and holds five patents.