Rehbar (Reb) Tayyabkhan

Rehbar (Reb) Tayyabkhan

Head of Global Data Strategy and Solutions

Global Clinical Operations


Reb and his group are responsible for establishing and implementing clinical data strategies to enable the collection and provision of high-quality patient data supporting regulatory filings, publications and other activities.


Reb joined Bristol-Myers Squibb in 2003 in Pharmaceutical Development Informatics and moved to clinical operations in 2005. In his most recent role, Reb was the Head of Central Clinical Services, which included the oversight of outsourcing, vendor management, and clinical contracting/payments, and transparency efforts for all clinical operations groups. Reb has also held various leadership positions in Global Development Operations, which included resource and financial management, vendor management, process improvement and management of Regional Clinical Operations for Mexico, Argentina and Brazil. Reb co-led Project Galaxy, a development-wide initiative to identify clinical service providers leading to the selection of two primary clinical research organization providers.


Prior to joining Bristol-Myers Squibb, Reb worked as a management consultant at Price Waterhouse Coopers and as an engineer at Merck. Reb holds an MBA from New York University, a Master's in Chemical Engineering from Cornell University and a Bachelor's in Chemistry from New York University.

Interests and Expertise

Reb is an active member of TransCelerate BioPharma’s operating committee and serves as the industry work stream sponsor for TransCelerate’s Risk-Based Monitoring initiative as well as the liaison to the CRO (Clinical Research Organization) Forum.


Reb describes himself as loud, fair but demanding and wears his heart on his sleeve.


He has two children – a teenage son and a daughter who has a keen eye for Bristol-Myers Squibb commercials on TV.