Our Team

Pam Hess, Executive Director



Pam Hess is a health and wellness educator with extensive experience engaging youth, community collaborators, and volunteers. Prior to working at Healthy Waltham, Pam was Director of Youth Engagement and Education at the Appalachian Mountain Club for 13 years. Pam was recognized at the White House in 2014 as a Presidential “Champions of Change” award winner for career-long efforts to provide outdoor opportunities for young people and for designing and managing an innovative and collaborative outdoor recreation initiative called “OutdoorsRX.” OutdoorsRX is a partnership program that encourages kids and families to “get up, get out, and get moving.” Pam holds a Master of Science degree in environmental education and is a Waltham resident with two children attending the Waltham Public Schools.

Maria DiMaggio, Communications & Development Coordinator


Maria DiMaggio is a Waltham resident with two children in the Waltham Public schools. An enthusiastic cook and community volunteer, she worked previously in Corporate Communications and Marketing in the financial services industry. Maria was a founding member of “I to I” Waltham, a cooperative playgroup and parent support group. Maria earned a B.A. from Wesleyan University (CT) with a major in German. She is also on the board of the Friends of the Waltham Public Library.

Reva Haselkorn, Program Coordinator & Chef Instructor

Chef Reva


Chef Reva Haselkorn’s love of cooking began at an early age helping her mother in the kitchen. She continued to expand her passion for food at Drumlin Farm camp by working in the garden and learning to gather eggs, milk cows and walk goats. Prior to joining Healthy Waltham, Reva worked as the Community Cook at Bethany House, a subsidized housing facility for single women, preparing healthy and comforting dinners for the community five nights a week. She graduated from Le Cordon Bleu College of Culinary Arts as the Valedictorian of her class in the Spring of 2012. Before studying at Le Cordon Bleu she earned a Bachelor’s degree at Princeton University from the School of Architecture and spent time teaching English and backpacking in South America. When not leading food demonstrations, cooking classes and healthy eating workshops through Healthy Waltham, Reva teaches cooking classes privately as well as through Jewish Family & Children’s Services, Share Our Strength’s Cooking Matters and Haley House’s Take Back the Kitchen program.