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Leadership Team

  • Mellesia Nelson M.S.W., M. Ed.

    Principal, Upper 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 now continues as the Principal of the Upper School.  She works collaboratively with students, facilitating their ability to reach their full potential and tap into their passions and talents.  She provides students with the tools to explore, take risks, think critically, and create.  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.

    Assistant 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. Dr. Dennis is excited to return to the role of Assistant Principal 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.

  • Pilar Valdes, M.S.

    Assistant Principal, Lower School pvaldes@sagemont.com (954) 384-5454, ext. 3408

    Pilar Valdes joined the Sagemont family in 2014. A motivated and hands-on leader, Pilar is passionate about education and has had a successful career.  She is experienced as an Elementary School Teacher and a Math Curriculum Specialist/Math Coach, overseeing three different elementary schools in South Florida. Under her leadership, the three schools were able to use data-driven instruction which led to significant growth in student math scores on the state assessments. Mrs. Valdes earned a Bachelor’s degree in Biological Sciences from Florida International University, and a Master’s degree in Educational Leadership from Barry University. She is currently pursuing her Doctoral degree in Organizational Learning and Leadership. Additionally, she is state certified in Elementary Education, Educational Leadership, and has an ESOL Endorsement. Mrs. Valdes’ philosophy for learning is that each child is unique and learns in a different way. As a leader, her goal is to assist students in discovering their potential and individuality, working alongside them and their families to maximize their growth.

  • Maritza Zea, M.S.W.

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

    Maritza Zea has been part of The Sagemont School since 1999 and has served as Guidance Counselor for 11 years. She holds a Bachelor’s degree in Psychology from the Pontificia Universidad Javeriana in Columbia, a Master’s degree in Social Work from Barry University, and Master’s degrees in Public Administration and Psychology from S.U.N.Y. Ms. Zea holds a Florida Professional Educator’s Certificate as School Social Worker for students in grades Pre-K through 12, and is a Licensed Clinical Social Worker.  She also served as an educational consultant to the Minister of Education in Colombia, where she developed a program to increase literacy and co-founded the Bogota Children’s Museum.

  • 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 ten 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 entering his first year as the Athletic Director 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.

  • Elizabeth D. Rios, Ed.D.

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

    Prior to joining Sagemont in 2017, Dr. Rios worked in higher education as an Academic Dean, Academic Advisor and Adjunct Professor at a number of universities, both on-ground and online. 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 is presently pursuing a Doctor of Ministry at Southeastern University. Dr. Rios is on the Educational Advisory Board of the City of Miramar and is very active in the South Florida nonprofit and faith-based community. She is passionate about helping students in a holistic fashion and looks forward to working with Sagemont families.


  • 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.