Dawn Sulmasy started her basketball career playing for Hopkinton High School. Dawn received the Coach’s Award her senior year for her exemplary work ethic. Following her high school career, she earned a roster spot for the Bentley University Women’s Basketball Team, playing for Naismith Hall of Fame Coach Barbara Stevens. During Dawn’s four years at Bentley, the team played in two NCAA Division II Final Four Tournaments and the Championship game her senior year. Dawn earned a scholarship and received the Coach’s Award for her leadership efforts. Dawn started her coaching career with two seasons as the freshman coach at Oliver Ames High School. She served as head coach for 12 seasons in the Wachusett Regional School District at Thomas Prince Middle School and five seasons as assistant varsity coach and head junior varsity coach at Acton Boxborough Regional High School. She has coached both boys and girls for Travel, AAU, and many high school summer league teams. From 2014-2019, Dawn was also the Girls’ Program Director for Basketball Specialist School/ Mass Select Basketball.

Dawn is a health and wellness mentor with personal clients and teaches classes on many topics, including whole foods nutrition, fermentation, mindfulness, guided meditation, and aromatherapy. She uses disciplines from both Eastern and Western cultures and has a certificate in Holistic Health Counseling from Columbia University’s Institute of Integrative Nutrition. She lives in Princeton, MA, with her husband and three children. Dawn enjoys spending time gardening, preserving food, and hiking with her chocolate lab.

Dan Mercurio serves as Chief Communications Officer at St. Mark’s School, where he leads the School’s communications, marketing, storytelling, and brand strategy efforts. With a professional background spanning independent schools, higher education, and athletics, Dan brings extensive experience in building community engagement, strengthening institutional visibility, and advancing mission-driven communications. Prior to joining St. Mark’s in 2025, he held senior leadership roles at Bancroft School, Boston University, and the College of the Holy Cross, where his work focused on communications, student engagement, enrollment support, and organizational strategy.

Throughout his career, Dan has been passionate about connecting people through authentic storytelling and fostering meaningful relationships across school communities. He believes that strong communications can deepen engagement, celebrate achievements, and help institutions articulate their values and purpose. At St. Mark’s, he works closely with students, faculty, staff, alumni, and families to share the stories that bring the School’s mission to life and strengthen connections within the St. Mark’s community and beyond.