

As Principal, Paul serves as the Chief Academic Officer and directly oversees all matters of the faculty, curriculum, student development and scheduling of the School.
Paul joined the St. Thomas Aquinas Chemistry and Physics faculty in 2016 and was named Principal in 2020. He has over 25 years of teaching experience and has held positions in Maine and New Hampshire. A highly acclaimed former high school coach, Paul has earned over 200 victories in basketball and 100 wins in soccer. He also has successful coaching experiences in baseball, softball and tennis. He guided his teams to state, regional and conference championships along with numerous sportsmanship awards.
Along with noted achievements in bringing innovative new technology into the classroom, Paul has served in the Knights of Columbus as a Deputy Grand Knight and Treasurer.
Paul holds his academic degree in Biochemistry from the University of Maine, also attending Campbell University and the University of South Carolina. He enjoys golfing, cooking, and traveling. He, his wife Alicia, and three daughters reside across the river in Kittery, Maine.


Keith oversees the programs of campus ministry including the integration of the mission in all school activities and serving on the Theology faculty.
Keith has over 25 years of experience in Catholic ministry with the Diocese of Manchester and has been a member of the St. Thomas Aquinas administration since 2004. Before assuming his current position, he served the School as the Director of Admission. His experiences include parish, high school, and retreat ministries. He currently also serves as an adjunct staff member for the Center for Ministry Development as a Program Director for Young Neighbors in Action, a national program for service experiences.
Keith has played an important role in developing student enrichment experiences at St. Thomas Aquinas, including the development of Saints Block, the expansion of club offerings, and the introduction of TOM Talks.
Keith enjoys camping, hiking, cooking, reading, and exploring national parks. He and his family live in Somersworth, New Hampshire.


As the Chief Financial Officer, Lisa is responsible for all matters of finance including accounts payable and receivable, annual audits, budgets, endowments, and financial records and reporting. She oversees the Office of Finance and coordinates with the school leadership and outside banking constituencies.
A Certified Public Accountant (CPA), Lisa began working at St. Thomas Aquinas in September 2020, bringing with her over 18 years of experience in public and private accounting.
She earned a B.A. in Business Administration and Accounting from St. Michael’s College and a M.S. in Financial Planning from Bentley University. She enjoys watching her daughters in their various activities, spending time at the beach and catching up with family and friends. Lisa, her husband, three daughters and rescue dog reside in Massachusetts.


As Director of Athletics, David oversees all aspects of the athletic programs, including the management of over twenty five sports, coaches and associated personnel, student-athletes, and facilities. Over 80% of the School’s students participate in STA’s sports programs.
David joined St. Thomas Aquinas High School in August of 2021. Before assuming his current position, he spent 18 years at Rivier University in Nashua, NH. He held the positions of Assistant Athletic Director, Head Men's Basketball Coach, Head Softball Coach, and Head Cross Country Coach. Prior, David was the Assistant Athletic Director, Men's Basketball Coach, and Head Softball Coach at Notre Dame College in Manchester, NH while also briefly serving as the Director of Athletics.
As a long term official, David has been a part of the New Hampshire Interscholastic Athletic Association (NHIAA), the New Hampshire Lacrosse Officials Association (NHLOA) and the New Hampshire Board 32 IAABO Basketball Officials group.
Morissette graduated from United States Sports Academy with a Master’s degree in Sports Science after receiving his Bachelor’s degree in Physical Education from Plymouth State University. He resides in Exeter, NH with his wife Kristen with sons Cody and Joshua.


Danny Richer oversees all matters of enrollment and advancement, including admission, financial aid, fundraising and retention.
Dr. Richer began working at St. Thomas Aquinas in January 2020 after nearly 20 years of experience in higher education. Prior to St. Thomas Aquinas, he worked at Providence College, the University of New Hampshire, Saint Anselm College, Northern Essex Community College, and West Virginia University.
He earned a B.A. in Political Science with a minor in French from Providence College, a M.A. in Organization and Leadership from the University of San Francisco, and a Doctorate of Education in Educational Administration from the University of Nebraska. His research interests include the college choice process, institutional mission statements, and Catholic higher education. A former multiple sport high school athlete, Danny enjoys college football, practicing guitar and the harmonica. A native of Marlborough, Massachusetts, he resides in New Hampshire with his family.


As the Director of School Counseling, Dr. Schneider provides direct service to students, oversees the counseling department, provides administrative support related to social-emotional health and community issues, and consults with academic departments and campus ministry around program development.
Julie joined the St. Thomas Aquinas Counseling Department faculty in 2021 and was named Chair of the Department in 2022. A Licensed Psychologist, she has over 25 years of experience working in a variety of mental health and educational settings in Massachusetts, Oregon, and New Hampshire. She has worked in direct service and administration in hospitals and mental health clinics, in both public and private schools, and in corrections.
Julie holds her undergraduate academic degree in Psychology from the University of Rhode Island, and both her Master of Arts and Doctorate of Philosophy in Clinical Psychology from the University of Massachusetts at Boston. She enjoys reading, skiing, and going to the beach. She, her husband Eric, and two daughters live in York, Maine.