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Leadership Team

  • Mellesia Nelson M.S.W., M. Ed.

    Head of School mnelson@sagemont.com (954) 389-2454, ext. 300

    Mellesia Nelson received her Bachelor’s degree in Psychology from Boston College.  She went on to obtain a M.S.W. in Child and Family practice from The University of Illinois and a Masters in Educational Leadership from Florida Atlantic University.  Ms. Nelson has been a valued member of the Sagemont family since 2004.  She began her career at Sagemont as the Guidance Counselor, where she successfully implemented and facilitated drug prevention, self-esteem, and anti-bullying programs by building strong, lasting community partnerships.  In 2010, Ms. Nelson accepted the position as College Counselor.  While in that position, she increased college and university representation on the Sagemont campus by over 550%.  She also raised scholarship dollars awarded by over 100%, matching students with right fit colleges.  Ms. Nelson’s journey at Sagemont continued as the Assistant Principal and then Principal of the Upper School, where she worked collaboratively with students, facilitating their ability to reach their full potential and tap into their passions and talents.  She provided students with the tools to explore, take risks, think critically, and create.  Currently, as the Head of School, Ms. Nelson’s vision for the students at Sagemont is that they own their education.  She encourages students to put themselves in the driver’s seat of their future and set high standards for their educational growth.


  • Ayishah Dennis, Ph.D.

    Principal, Upper School adennis@sagemont.com 954-389-2454 ext. 376

    Ayishah Dennis earned a Bachelor’s degree in Spanish Language and Literature from SUNY New Paltz, a Master’s degree in Teaching English to Speakers of Other Languages and a Doctorate degree in Leadership in Education from Capella University. Dr. Dennis joined Sagemont as a Spanish teacher in 2010, where she encouraged a love of Spanish to native and non-native students. As an ESOL teacher, she taught English to international students while holding them to high expectations.  In her role as Assistant Principal, Dr. Dennis led many technology initiatives and help bring innovative curriculum opportunities to Sagemont. Dr. Dennis is currently the Interim Principal and plans to continue to support a collaborative school culture. She is looking forward to building relationships with students, staff and community members and is dedicated to providing for the curricular needs of teachers to assist in meeting the learning outcomes. Dr. Dennis is committed to empowering students to take control of their learning by putting students and their needs first.

  • Monica Vigna, Ed. S.

    Principal, Lower School mvigna@sagemont.com (954) 384-5454, ext. 3402

    Monica Vigna has been with The Sagemont School for over 10 years. Her tenure at The Sagemont School began in the classroom but Monica also served as The Sagemont Lower School Assistant Principal for seven years.  Earlier in her career Monica taught kindergarten through fifth grade, as well as the dual language program at an International Baccalaureate school. She is certified in early childhood, elementary education and administration and supervision, and is ESOL endorsed. Monica earned Bachelor’s and Master’s degrees from Florida International University, as well as a specialist degree in Educational Leadership from Florida International University. She is very excited to be part of the Sagemont family.  She enjoys working hand in hand with students, faculty, parents, and the community and believes that each child has a special gift and will bloom with the collaboration between home and school.

  • Barbie Caceres, M.S.

    Assistant Principal, Lower School bcaceres@sagemont.com (954)384-5454

    Barbie Caceres is an experienced educator with over 16 years in education in the public and private sectors. Mrs. Caceres graduated from Florida Atlantic University with a bachelor’s degree in Elementary Education and ESOL Endorsement. She earned her master’s degree in Montessori Education from Barry University. During her 16 years in education, Mrs. Caceres has taught 3rd, 4th, and 5th-grade students in traditional and Montessori environments. Mrs. Caceres joined the Sagemont family in 2017, as a fourth-grade teacher. Throughout her career, Mrs. Caceres has held multiple leadership roles including Vanguard Technology Teacher, Instructional Team Leader, New Educator Coach, Student-Teacher Coach, and now Assistant Principal. Mrs. Caceres is dedicated to training and mentoring teachers while being fully committed to student growth. Mrs. Caceres is focused on data analysis, and she uses this to strengthen programming at all levels. Continuous learning has been her lifelong passion, and she is excited to pass on that philosophy in her leadership role to students and colleagues alike.

  • Felicia Myers, M.A., M.S.

    Director of Admissions fmyers@sagemont.com 954-389-2454 ext. 304

    Felicia Myers has been immersed in the educational world for over fifteen years. Prior to joining Sagemont in 2017, she taught at every grade level from pre-kindergarten to college in both private and public institutions, served as a high school Guidance Services Professional, was a Federal Grant Manager and coordinated Early College Programs for Brevard public schools, and even spent time selling and designing luxury homes.  Felicia has a Bachelor’s degree in French and economics from Boston College, a Master’s degree in French language and literature from Middlebury College and the Sorbonne in Paris, France and a second Master’s degree in education from the University at Albany. Felicia is passionate about sharing all the Sagemont School has to offer prospective students and ensuring our enrolled students are on track to achieve their academic goals.

  • Shane Marcey

    Athletic Director, Upper School smarcey@sagemont.com (954) 389-2454, ext. 372

    Shane Marcey is passionate about his role as the Athletic Director at Sagemont and oversees all varsity, junior varsity, middle school and elementary interscholastic athletic programs.  Prior to arriving at Sagemont, Shane coached and taught at Coral Springs High School.  In 2010 he became Sagemont’s girls’ varsity volleyball coach.  During his tenure the team reached the state tournament six consecutive seasons and won its first district championship in 2016.  Shane has extensive background in coaching and training elite volleyball athletes and has been a Director for Wildfire Volleyball Academy in Weston for 10 years.  Shane studied at the University of Florida and is currently seeking a BA in Sports Management from Columbia Southern University.

  • Milena Gutierrez, M.A.

    School Counselor, Upper School mgutierrez@sagemont.com 954-389-2454 ext. 305

    Milena holds a Bachelor’s degree in Psychology from Queens College – CUNY and a Master’s degree in Counseling from NYU. She has worked in family and student counseling her entire career, specifically with Latinx demographics, first in the NYC nonprofit sector and now in the school system. Ms. Gutierrez has worked as a family counselor for over seven years, as a Project Director for one of the family programs in the New York Council on Adoptable Children, providing counseling and social services coordination for families residing in the New York City metropolitan area. Milena has also consulted with state official projects for the Colombian State, involving documents and proposals with gender approach and engagement proposals for the Colombian diaspora. Currently, Milena provides consulting with the Truth Commission, a state entity that works with victims of the Colombian armed conflict who live in exile. Ms. Gutierrez has been a proud Lion since 2019, and has injected a fresh outlook on curriculum, social justice initiatives, mental and physical well-being and character development to Sagemont.    

  • Maritza Zea, M.S.W.

    School Counselor, Lower School mzea@sagemont.com (954) 384-5454, ext. 3417

    Maritza Zea earned a Bachelor’s degree in Psychology from the Pontificia Universidad Javeriana in Colombia, a Master’s degree in Social Work from Barry University, and Master’s degrees in Public Administration and Psychology from S.U.N.Y. Stony Brook. Ms. Zea holds a Florida Professional Educator’s Certificate as a School Social Worker for students in grades Pre-K through 12 and is a Licensed Clinical Social Worker. Ms. Zea has a Mindfulness-Based School Training certification from Mindful Kids Miami. Ms. Zea joined Sagemont in 1999 and has been a School Counselor for over seventeen years. Ms. Zea’s work is rooted in the belief that counseling, emotional development, and community engagement are invaluable components of every child’s education. She is a school counselor and educator who supports diverse student groups behaviorally, socially, and academically. Ms. Zea enriches student life through leadership programming and individual/group counseling. She actively supports teachers in maintaining open communication, empathy, within and outside of the classroom. Ms. Zea continuously innovates to improve and grow a school counseling program that is an integral part of the school community.

  • Elizabeth D. Rios, Ed.D.

    College Counselor, Upper School erios@sagemont.com (954) 389-2454, ext. 309

    Dr. Rios joined Sagemont in 2017, after decades working in higher education and establishing online schools. Dr. Rios has served in a variety of roles including Academic Dean, Online Campus Director, Academic Advisor and Adjunct Professor at a number of universities and has been actively working in the area of justice education for years.  Dr. Rios has a passion to work with high school students and young adults to help them find both their best fit in post-secondary education and develop a career direction. Committed to professional development, Dr. Rios regularly reads about the latest issues in higher education and attends conferences, seminars and webinars to keep current on the trends and expectations in college admissions and career development. She is a member of the National Association of College Admissions Counselors (NACAC). Additionally, Dr. Rios regularly visits colleges and universities. Dr. Rios has a Master of Arts in Management with a concentration in Nonprofit Management from Regent University, a Doctorate in Education in Organizational Leadership and Adult Education from Nova Southeastern University and a Doctor of Ministry in Leadership with a concentration on Justice and Civic Advocacy from Southeastern University. Dr. Rios served on Educational Advisory Board of the City of Miramar and is very active in the South Florida nonprofit and faith-based community.

  • Nahomy Negron

    Business Manager nnegron@sagemont.com 954-389-2454 ext. 303

    Nahomy Negron has been in the Business Field for over 6 years, and recently relocated to Miami, FL from New York to join the Sagemont community. Nahomy obtained her Bachelor’s Degree in Business Administration from CUNY, Lehman College and is currently pursuing her Master’s Degree. In her free time, she enjoys practicing Yoga and teaching Zumba! Nahomy is extremely excited to be part of the Sagemont community, and is determined to give Sagemont her ultimate best.