Board Members

Hartmut Wimmer
Chairman of the Board
Hartmut Wimmer is the Chairman of the Board. A passionate outdoor enthusiast and explorer, he is dedicated to promoting sustainable trail development across Europe and beyond. As the founder and CEO of Outdooractive, he is a pioneer in the digitalization of outdoor tourism. Driven by a strong commitment, Hartmut also founded the non-profit organizations Digitize the Planet and European Trails, and serves on the board of the World Trails Network.
Dr. Mischa Crumbach
Second Chairperson
Mischa serves as the Second Chairperson of European Trails, contributing strategic leadership and having a deep understanding of trail systems across Europe. He is a Strategy and Pricing Consultant and manages the International Trail Rating System (ITRS), supporting the development of sustainable and accessible trail networks. With additional expertise as a mountain bike guide and mineral photographer, Mischa combines analytical insight with a strong connection to nature.
Elsi Rizvanolli
Treasurer
As Treasurer of European Trails, Elsi Rizvanolli brings extensive financial expertise and a strong commitment to sustainability to the organization. The senior fundraising consultant with extensive work experience in Europe, North America and Asia supports nonprofits and universities in achieving their goals through strategic fundraising. He is a board member of the World Trails Network and co-founder of Tirana Trails, a project to map and promote a network of trails around the city of Tirana.
