Board of Trustees

Maryann Hedaa, Chair
Maryann Hedaa has had a long career in Independent, Public and Charter School education.

Charity Grace Mofsen, Co-Vice Chair
Originally from North Carolina, Charity Grace Mofsen visited Nantucket and became lovestruck, not just from the serene natural beauty but more importantly, from the people who resided here.
This kinship brought her to become a full time resident in 2015. She now serves as Associate Director of Nantucket Operations at the Museum of African American History where she shares the fascinating and rich history of the African Americans that helped shape Nantucket. An advocate for the empowerment of youth, Charity Grace is intimately involved with social issues affecting the people of Nantucket including the role that race historically and currently plays in our culture. With a degree in Sustainable Residential Design and Development from Maharishi University of Management, she serves as a trustee of Nantucket's Affordable Housing Trust Fund. Her experience in a consciousness-based learning environment allows her to bring a holistic approach to education that enlivens one’s creativity and encourages the development of full human potential. For fun, Charity Grace sings in a local band with her husband Michael.

Rachael Freeman Slosek, Co-Vice Chair
Rachael's family is originally from Nantucket and she has spent time on the island throughout her life.
In 2003, after completing her graduate studies, she decided to move here year-round for a job at the Nantucket Conservation Foundation. Currently she is the Environmental Coordinator at the Nantucket Land Bank and is married to Sam Slosek, who co-owns Moors End Farm with his family. Together they have 3 children, Sophia, Ben and Eli, all of whom attend the Lighthouse School.
Both Rachael and Sam are pleased to have the opportunity for their children to attend a school that is educating them both academically and emotionally. They feel strongly that the Lighthouse School, is teaching their children to be confident thinkers, learners and problem solvers. What an amazing foundation for life!

Leslie Bains, Treasurer

Joni Amaral, Faculty Representative
Over the past nineteen years, Joni has taught students, preschool through fifth grade, in Maine, Germany, Japan, and Massachusetts.
Joni joined the Lighthouse School family as both an Upper Primary teacher, and as a parent, in 2017. Her interests include playing on the beach, being out on the water, or exploring different parts of the island with her husband and children.

Bill Kupper
With over 39 years of publishing, communication and advertising accomplishments, William Kupper, Jr. has strived to successfully meet the challenges of an ever changing media marketplace both domestically and internationally.
BusinessWeek Online and BusinessWeek Television
Mr. Kupper (pronounced as “Cooper”) has had a distinguished career in publishing having spent 24 years at Time, Inc., where he held a number of senior sales management positions. These included advertising sales manager for Sports Illustrated, advertising director for Life Magazine and international advertising director for Time Magazine. He was also publisher of Health Magazine, part of Time Inc.’s Publishing Venture Group.
Mr. Kupper started his career as a media planner at Dancer Fitzgerald Sample in 1969 after serving in the U.S. Army for two years. He spent ten months in Vietnam where he was awarded the Bronze Star and Air Medal with the First Cavalry.
He holds a BA in Business Administration from Upsala College. He is also a graduate of Concordia Preparatory School where he is the Corporate Advisor to the International Management Program. In 2000, he was awarded an honorary doctorate from Concordia College as he delivered their winter commencement address. In 2006, Mr. Kupper gave the spring commencement address at The University of Delaware.
Mr. Kupper is currently on the Board of Directors of Cygnus Business Media Company and Turnstile Publishing Company. He serves on the Advisory Board for ScrollMotion LLC, an iPhone app developer. He is a Corporate Counsel Member of the Vietnam Veterans Memorial Fund and a Corporate Trustee for the Trustees of the Reservation, a Massachusetts land preservation organization. Mr. Kupper is also a golf course rater for Golfweek Magazine.

Mark Lucas
Originally from Indiana, Mark attended Purdue University, where he had a dual major in agronomy and environmental science.
Mark is active in community programs and activities including: coaching Little League and T-ball; being a director for the Partnership for Harrier Habitat Preservation (PHHP); being a member of the Naushop Architectural Review Committee (ARC); being a member of the Nantucket Board of Health’s Fertilizer Advisory Board; and having been a member of the Town’s Article 68 Workgroup, which revolutionized how fertilizers are appropriately applied and regulated on Nantucket.
Mark and his wife, Sarah Holton-Roth, met on the island and both feel fortunate to be raising their three children on Nantucket. Providing their children with an education that is developmentally appropriate and respects the pace of childhood is very important to both Mark and Sarah, and they are so pleased to have found that in the Nantucket Lighthouse School.

Kitty Pochman
Kitty has directed nonprofits on Nantucket over a 25 year career. A mother and grandmother, she is passionate about education that connects students to the natural world and all its wonders.
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Lizbet Carroll Fuller, Trustee Emerita
In Lighthouse, Lizbet and co-founder Elizabeth Sundell sought to honor the magic of childhood while creatively introducing the tools to construct meaningful lives.

Cary Hazlegrove
She has worn many hats in her island life, including housecleaner, scalloper, baker, musician, and photographer. Cary’s daughter is a Lighthouse Alumni.

Carol Jarrett
Lighthouse parent and longtime supporter, Carol made his way to Nantucket from Kingston Jamaica.
Forward thinking and hardworking, Carol values the island community and feels compelled to contribute and give back however he is able. He enthusiastically supports Nantucket Lighthouse School and is eager to contribute as a parent and now Trustee.

Callie Kever
Callie has been the Executive Director of Almanack Arts Colony since 2015. Former Chair of NLS's Yuletide Preview Party and Gala, Callie currently serves on the school's Advancement Committee.
Formerly the Development Director at White Heron Theatre, Callie has been the Executive Director of Almanack Arts Colony since 2015. She is the past Chair of the NLS Yuletide Preview Party and Gala and currently serves on the school's Advancement Committee. Together with her husband, Caleb Cressman, a former NLS Trustee, Callie owns the Gaslight, a live music venue, and restaurant in downtown Nantucket. Callie’s children (Gus & Doxia) and her two step-children (Orla & Caleb) are all enrolled at Nantucket Lighthouse School.
“We could not be happier with the one on one attention and care given to our children. As with all kids, there are challenges that arise and the Lighthouse School always meets those challenges head-on with kindness and compassion and a fundamental understanding of the individual learning process for each child.

Stephen O’Brien
A graduate of The Hotchkiss School, Williams College and the Naval OCS Newport, Stephen has been coming to Nantucket since 1950.
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Candice Tétrault
Candice was born and raised in Montreal, Canada, and loved spending summers on Nantucket with her family. In 2002, after a career in TV production in Montreal, she made Nantucket her home.
The school's philosophy of addressing a child's mind, body and individual spirit, while teaching and supporting skills for critical thinking, creative problem solving, and the navigation of one's social-emotional life, has allowed her daughter Clementine to thrive in her academic experience. "We couldn't have asked for a better school for our daughter, anywhere, let alone on this little island! We love our Nantucket Lighthouse School Community."
Board of Advisors
Susan O’Brien, Chair
D. Anne Atherton
Charity Benz
Joe Guay
Robert Sarkisian
Connie Umberger