Chair of the Whistler Public Library, Marnie is dedicated to organizations that serve both Whistler and Pemberton. She is a Director of the Pemberton Seniors Society, past chair of the Whistler Healthcare Foundation and Chair of the Friends of the Library Pemberton. Marnie is a role model for volunteerism in the Sea to Sky corridor.
BC Achievement is an independent foundation established in 2003 that honours excellence and inspires achievement in British Columbia.