Leadership

GBI’s senior operational staff members have decades of experience in biologics and cGMP manufacturing, including holding senior positions at numerous leading biopharmaceutical companies.

Darrin T. Schellin, Chief Executive Officer at GBI
Darrin T. Schellin Chief Executive Officer
Sunil Agarwal; Financial Controller at GBI
Sunil Agarwal Financial Controller
Muctarr Sesay; Chief Science Officer, Vice President, Bioconjugation Development at GBI
Muctarr Sesay, Ph.D. Chief Science Officer, Vice President, Bioconjugation Development
Kenneth Meek; Vice President of Business Operations at GBI
Kenneth Meek ​Vice President, Business Operations
Amita Quadros, Associate Vice President / Client Services at GBI
Amita Quadros, Ph.D. Associate Vice President, Client Services
Andrew Majdoch, Associate Vice President, Technical Operations at GBI
Andrew Majdoch, MSc Associate Vice President, Technical Operations
Prema Rathinavelu, ​Associate Vice President, Quality Control at GBI
Prema Rathinavelu, MSc ​Associate Vice President, Quality Control

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