John Marc Sigrist | AKTA Sales Specialist
Cytiva

John Marc Sigrist is an ÄKTA and Chromatography Specialist at Cytiva, where he has been supporting researchers and bioprocessing professionals since 2024. He collaborates with academic institutions, biotechnology companies, and pharmaceutical organizations to advance protein purification and downstream processing through innovative chromatography solutions.

With a strong focus on chromatography workflow optimization and purification strategy development, John helps scientists translate complex challenges into practical, scalable solutions. His expertise encompasses a wide range of chromatography applications, from early-stage research to process development, enabling customers to improve efficiency, reproducibility, and process understanding.

Passionate about scientific collaboration and technology-driven innovation, John works closely with researchers to maximize the value of ÄKTA systems and modern chromatography methodologies in the development of next-generation biologics.