Our global team of more than 100,000 colleagues delivers an unrivaled combination of innovative technologies, purchasing convenience, and pharmaceutical services through industry-leading brands including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, and Patheon. D. Demonstrated hands-on experience developing and optimizing E. coli fermentation processes using laboratory-scale bioreactors, including control of critical parameters such as pH, dissolved oxygen, temperature, feeding, and induction.