Team Members

Meet the Team

Ilse Lettinga

Manager Nudge Duurzaamheid Challenge

Jan van Betten

Founder Nudge

Maëlle Tschumi

Manager Nudge Global Impact Challenge

Precious Mando

Manager Nudge Alumni Association

Thijs Mullink

Partnerships Manager

Rick Koster

Founder LeaderScope

Silvana Davila

Social Media Intern

Short Biographies

Jan van Betten, founder of Nudge

Jan van Betten started his career as a junior company lawyer with Philips before joining British American Tobacco. In 2005 he moved with his family to Munich to take up the role of CEO of Reed Elsevier Deutschland GmbH. Inspired by the development of a consumer platform for sustainable consumption in Germany, he started the social enterprise Nudge in Netherlands in November 2010. Working with young talents from all over the world on their leadership for a sustainable future has become his passion and main focus.

Jan is the Co-Founder of the One Africa Leadership Development Program, see their website for more information:

He is also currently active as a non executive board member for several profit- and not-for-profit organizations.

Ilse Lettinga, manager Nudge Duurzaamheid Challenge

Ilse has worked as communication manager at ABN AMRO’s Corporate Communications after 10 years at several positions in the advertising industry. She joined Nudge 7 years ago and has been involved in the creation, strategy and development of the Nudge Global Impact Challenge from the start. She is now responsible for the overall project management and communications of the Nudge Duurzaamheid Challenge.
“I am always overwhelmed by the energy, passion and power of the participants attending our programmes. I feel privileged to support them in their development as leaders in sustainability.”