Assistant Head of School
Bachelor of Arts in Journalism/Mass Communications, Lock Haven University of Pennsylvania
Master of Arts in Organizational Management, University of Phoenix-Phoenix Campus
Certified Admissions and Enrollment Professional and Certified Learning Differences Professional, Association of Independent School Admission Professionals
Leadership Development Training Graduate, Association of Delaware Valley Independent Schools.
Mrs. Marcianna (Marci) Hosier was named MMI’s Assistant Head of School in the summer of 2024. 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 continues to oversee the admissions, financial assistance, and enrollment processes at MMI and is responsible for all aspects of student life including serving as the Advisor of MMI’s Student Council and Student Ambassador programs. As the Assistant Head of School, she also is involved with 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.
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.