Riverside is managed by the renowned communications expert and creative consultant Tanja Hollenstein together with the strategy consultant and award-winning advertising creative Hans Peter Riegel.


Both have successfully worked in the management of renowned advertising and PR agencies and have been involved in pioneering web projects. They have substantial know-how on corporate and communication strategies as well as digital media.


Tanja is Managing Director of the Riverside companies. She leads the consulting of our clients. In addition to strategic and communications consulting, her special expertise is digital storytelling and corporate social responsibility.


Hans Peter is Creative Director of the Riverside companies. He has become known to a wider public as the author of biographies on Joseph Beuys and Jörg Immendorff, with journalistic articles on art and culture as well as his work as a media artist and developer of cultural events. He is a member of the Art Directors Club of Switzerland.




A selection of clients for whom we work, for whom we realize or have realized successful, innovative, challenging, unusual and prize-winning projects:


Apple, Alessi, Amazon, BMW, Schweizer Baumeisterverband, Bertelsmann/Pixelpark, Bacardi, Bauhahaus, Bluewin/Swisscom, Bosch, Brother, Coca Cola, Beutsche Bahn AG, Deutsche Post AG, Carlson Rezidor Group, Coop, FFA Filmförderungsanstalt, Henkel, H&M, IBM, IKEA, Otto Kern, Lacoste, Lätta, Lufthansa, Migros, Nespresso, Nestlé, NIKE, Panasonic, Pepsi Cola, Pro Senectute, Raiffeisen, SBFI State Secretariat for Education, Research and Innovation, SAS, smart, Sony Mobile, Swissair, Tommy Hilfiger, Unilever, Veloinitiative, Volvo, Volkswagen, Weber Grill