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Geoffrey Cassell PHD, MBA

Education

PhD in Cell and Molecular Biology from the University of California San Diego and San Diego State University, and an MBA

Geoffrey Cassell, PhD, MBA

Senior Global Market Development Manager, GSD, Thermo Fisher Scientific

Geoffrey Cassell is a scientist-turned-marketing professional with extensive experience translating complex molecular biology technologies into impactful global marketing strategies. He earned his PhD in Cell and Molecular Biology from the University of California San Diego and San Diego State University, and later completed an MBA, building a foundation that bridges deep scientific expertise with business and commercial acumen. He has authored 9 peer-reviewed journal articles in publications such as Journal of Virology, Journal of Molecular Biology, and Nucleic Acids Research.

Geoffrey began his career in academia and research institutions, including postdoctoral fellowships at the Salk Institute and University of Southern California. He transitioned into industry at Invitrogen and later Life Technologies (now Thermo Fisher Scientific), where he moved from a technical application scientist role into marketing, steadily expanding his scope across molecular biology, synthetic biology, and genetic sciences portfolios. 

In his current role as Senior Global Market Development Manager for genetic analysis solutions, Geoffrey leads global marketing initiatives spanning qPCR-based diagnostics, infectious disease testing, and genetic analysis applications. His work includes developing go-to-market strategies, driving integrated campaigns, supporting product launches, and collaborating cross-functionally with R&D, commercial, and regional teams. He brings particular strength in scientific communication, branding, and customer-centric campaign development across diverse global markets. 

Throughout his career, Geoffrey has combined scientific rigor with strategic marketing leadership to deliver programs that drive awareness, adoption, and growth across complex life sciences portfolios.

Accomplishments

Authored 9 peer-reviewed journal articles in publications such as Journal of Virology, Journal of Molecular Biology, and Nucleic Acids Research.

Behind the Bench

Illustration of hantavirus transmission showing rodent-derived viral particles entering the human respiratory system.

Responding to Hantavirus: Advancing Rapid Molecular Detection

May 14, 2026

Read more Responding to Hantavirus: Advancing Rapid Molecular Detection

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