The team

In KDA Marktforschung GmbH, our people are experienced market researchers, with a deep sense of ownership and strong creativity. We relish challenges and enjoy teamwork. We are enthusiastic about our work and clients’ positive feedback is our best reward.

We will be happy to advise you in any phase of our research project and deliver individual solutions tailored to your requirements.

Joshua Valentin (B.A.) - Study Assistant

Bachelors in Japanese studies/political science with a focus on Japanese economics and international politics at Goethe University in Frankfurt am Main; has been working as a study assistant for KDA Marktforschung since 2024; responsible for conducting human factors/usability studies and project-related support for market research projects.

joshua.valentin [at ]
Tel: +49 69 973077-16

Dipl.-Soz. Karin Grimm
Managing Director and Partner

Studied sociology and social psychology at Mannheim University; worked for different companies in the field of pharmaceutical market and consumer research since 1983; co-founded KDA Marktforschung GmbH. Member of Berufsverband Deutscher Markt-und Sozialforscher e.V. (BVM), the European Society for Opinion and Market Research (ESOMAR) as well as Berufsverband der Deutschen Usability und User Experience Professionals (German UPA).

karin.grimm [at ]
Tel: +49 69 973077-12

Dipl.-Psych. Thomas Jahnke
Managing Director, CPUX-F

Studied psychology at the Ernst-Moritz-Arndt-University of Greifswald and at the Technische Universität Darmstadt with a focus on operational, organisational, social and work psychology. Worked since 2000 in several companies in the field of pharmaceutical research, B2B, automotive and consumer market research.

Joined KDA in 2007. Is also a qualified trainer and coach. Has a strong interest in and understanding of difficult and complex indications, such neurological, genetic and oncological diseases, and is also focused on human factor design research and usability engineering. Thomas became a PROFESSIONAL MEMBER of the Association for the Advancement of Medical Instrumentation (AAMI) in 2015.

UXQB® Certified Professional for Usability and User Experience – Foundation Level (CPUX-F).

thomas.jahnke [at ]
Tel: +49 69 973077-11

Miriam Simianer
Junior Projectmanager

Studied communication sciences (M.A.) with a focus on quantitative and qualitative social research at the Ludwig Maximilians University in Munich; joined KDA in 2022; assisting with field organization and coordination as well as the implementation and analysis of usability and human factor studies for medical devices with patients and medical professionals.

UXQB® Certified Professional for Usability and User Experience – Foundation Level (CPUX-F).

miriam.simianer [at ]
Tel: +49 69 973077-15