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
Cynthia Parrilla Vice President of Human Resources
Steven Vorgity Vice President of Finance & Company Secretary
Muctarr Sesay, Ph.D. Chief Science Advisor
Andrew Majdoch, MSc Vice President of Technical Operations
Brent Ryals Vice President of Quality Assurance
Amita Quadros, Ph.D., MBA Vice President of Commercial Operations
Robert Gustines, MBA Vice President of Business Development
Austin McDonald Advisor

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