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Staff and Board

Board of Directors

Medical Advisor

William Dexter, M.D.
Director of Sports Medicine, Maine Medical Center 


Julie MulkernJulie Mulkern, Executive Director – Julie grew up in Penobscot County where snow was plentiful and outdoor play was the norm. Her favorite winter memories include bombing down a hill with her sister and cousins on a toboggan. Julie has dedicated her entire career to creating and growing programs that promote the health and well-being of Maine families. Julie joined WinterKids in 2008 as the Development Director, and became the Executive Director in 2011. Before working for WinterKids, Julie was Manager of Development & Volunteer Resources at Spring Harbor Hospital, a psychiatric facility in the MaineHealth system. She has also developed volunteer and philanthropy programs for Community Counseling Center, Case Management for Youth, and the American Cancer Society. Julie holds a Bachelor’s Degree from Bates College and has certifications in philanthropy from the Association for Healthcare Philanthropy & the University of Wisconsin Madison. She is currently President of the Board of Directors for the Maine Public Health Association and serves on the Great Maine Outdoor Weekend Committee and the Maine CDC Physical Activity & Nutrition Workgroup. She is an alumna of the Upsilon Class of the Institute for Civic Leadership. Julie was born and raised in northern Maine, and now lives in Gorham with her husband, Ric and winter kids, Johnny and Ben. They enjoy all the Maine outdoors has to offer, in all seasons!

Marion DoyleMarion Doyle, Program Director –Growing up on Squam Lake in New Hampshire, Marion has a great appreciation for the great outdoors. Marion attended the University of New Hampshire and has years of experience working with children and volunteer organizations. She continually seeks to enhance WinterKids programs through collaboration, research, and evaluation. Her teacher trainings receive accolades all across Maine! She is a true winter enthusiast, whose high-energy commitment to kids and outdoor activity is a benefit to all who learn from her. Marion lives in Freeport with her partner, Glenn, and their black lab, Penny (the WinterKids mascot!). They have 4 grown children; a son and 3 daughters.


Jessica GreenJessica Atlee, Manager of Resource Development & Stewardship -- Jessica grew up in Central Maine and enjoys many offerings of the great outdoors, including running, hiking, and snowshoeing. She has a Bachelor’s Degree from the University of Southern Maine and is enrolled in a graduate certificate program in Public & Nonprofit Management at USM’s Muskie School. Jessica is no stranger to WinterKids; she started off as the Program & Outreach Intern in the winter of 2014-15. She has also worked at Long Creek Youth Development Center and really enjoys working with youth and their families. Jessica lives in Westbrook with her girlfriend, Emily, and their dog, Beverley (who also frequents the WinterKids office!).

Mary-Theresa TringaleMary-Theresa Tringale, Manager of Special Events & Sponsorships -- Mary-Theresa comes to WinterKids with excellent experience managing and marketing events of all shapes and sizes.  She has executed several greater Portland events including the Health & Wellness Expo, Varsity Maine Awards, SOURCE Awards, Harvest on the Harbor, Portland Food Festival and more. She is currently the president of the board for the Maine Women’s Conference and an events management consultant for various greater Portland events.  Previously she was a Marketing Manager for Portland Press Herald and Senior Integrated Marketing Manager with Men’s Journal and Women’s Day in New York City.  A graduate of Emerson College, Mary-Theresa hails from Billerica, MA.  She started summer vacationing with her family in York 25 years ago and learned to ski at Sunday River when she was three.  Mary-Theresa moved to Maine permanently in 2014 after a special assignment brought her to Sugarloaf to interview Seth Wescott. These days you can find Mary-Theresa in Portland, participating in Tri for a Cure and Beach to Beacon in the summer and operating tours to Sugarloaf and Sunday River with Mainely Ski & Ride in the winter.