Hand aufs Herz was founded in 2006 in Hamburg as a creative media research agency by Claudia Kroll and Petra Olbrich.
Both can look back at 20 years of experience in qualitative market and media research. The Hand aufs Herz team collaborates with a network of qualitative researchers and experts - nationally and internationally.

Petra Olbrich. The ethnologist has a trained eye for different realities.

Claudia Kroll. As a sociologist, she gets to the heart of the complexity of things.