We are Passionate about Freeze-Drying

The management team at GILYOS: Dr. Margit Gieseler and PD Dr. Henning Gieseler

GILYOS is operated and managed by two pharmaceutical scientists, Dr. Margit and PD Dr. Henning Gieseler. Both combine more than 15 years of academic and industrial experience in the field of pharmaceutical sciences. “As a family business, we are equally committed to our customers and employees: both of them are our most important capital.”

Dr. Margit Gieseler (CEO)

Key Expertise: Freeze Dry Microscopy, Specific Surface Area Measurements, Controlled Nucleation Techniques for Freeze-Drying, Technical Consulting for Freeze-Drying Equipment, Scale-up

Current Responsibilities at GILYOS: Organization and Conduction of Internal Research Projects, Project and Inhouse QMS Management, Organization of Workshops & Seminars


Learn more about Margit’s Professional Career


PD Dr. Henning Gieseler (CEO)

Key Expertise: Formulation Development, Physicochemistry, Process Design and Optimization, PAT and QbD, Scale-up

Current Responsibilities at GILYOS: Supervision of internal and external research activities, external cooperations, internal project management support, business development and key-account management.


Learn more about Henning’s Professional Career