Mrs. Theresa Long, MMI’s Head of School, has announced the promotion of Mrs. Marcianna Hosier to the Assistant Head of School at MMI Preparatory School. Mrs. Hosier has been a part of the MMI family since 2015 when she was hired as the Director of Admissions & Marketing. In 2020, Mrs. Hosier joined the faculty as the instructor for Strategic Communication and in 2023, Mrs. Hosier assumed the responsibility of Dean of Students focusing on student life at the School.

Mrs. Hosier will continue to oversee the admissions, financial assistance, and enrollment processes at MMI and will still be responsible for all aspects of student life including MMI’s Student Council and Student Ambassador programs. Her additional duties will include: academic scheduling, working closely with the Director of Curriculum and Instruction and MMI’s Associate Deans, overseeing the school calendar to ensure the smooth operation of the school day, and supervising adherence to School policies.

Mrs. Theresa Long commented, “Marci Hosier has been an invaluable asset to MMI for nearly a decade. Her passion for education, leadership, and student development has consistently shone through in every role she has taken on and has significantly enhanced our community. I am confident that in her new role, Marci will continue to inspire excellence and foster a nurturing environment for our students and faculty alike.”

Mrs. Hosier holds Bachelor of Arts in Journalism and Mass Communications from Lock Haven University of Pennsylvania, a Master of Arts in Organizational Management from the University of Phoenix-Phoenix Campus, and is certified as an Admissions and Enrollment Professional and in identifying Learning Differences by the Association of Independent School Admission Professionals. She has also completed Leadership Development Training through the Association of Delaware Valley Independent Schools.

Prior to her work at MMI, Mrs. Hosier served six years as the Director of Marketing for Bryant & Stratton College, a multi-campus, private college with locations in New York, Ohio, Wisconsin and Virginia. In this position, she served as a member of the college’s enrollment management team, the product development committee, and as a point person for compliance. Before joining Bryant & Stratton, Mrs. Hosier was the Director of Marketing and Advertising at Pioneer Pacific College in Portland, Oregon, where she served on the college’s senior management team. She has also served as the Executive Director of a non-profit media center in Beaverton, Oregon; the General Manager of the in-house advertising division for a large education corporation in Tempe, Arizona; as a Videographer/Editor for a small production company in Pittston, Pennsylvania; and as a Production Assistant/Control Room Operator for WOLF-TV and WVIA-TV.

Mrs. Hosier is a native of Northeastern Pennsylvania and relocated back to the area in 2009. She has served on a number of boards of directors including Beaverton Sister City Foundation, Friends of Arts Magnet Education, the Tualatin Valley Arts Culture and Humanities Council, and the Washington County Convention & Visitor Bureau-Executive Committee. She is a member of the Women’s Networking Committee, and is the past Chair of the Women’s Empowerment Grant Committee of the Hazleton Chamber of Commerce. Additionally, she acts as the School’s main participant in the Association of Independent School Admissions Professionals (AISAP). She has served as an expert resource for AISAP Master Classes and has been active in PAIS affinity groups for marketing and admission serving as the facilitator for the marketing group during a PAIS biennial conference.

Mrs. Hosier resides in West Pittston with her husband, Barry and son Aiden ‘25. Her daughter, Morgan ’21, lives in Philadelphia where she is pursuing her Master’s Degree in Biotechnology at Thomas Jefferson University.