Leadership Team


Mary Allen
Executive Director

Mary Allen graduated from Florida State University in 1986 with a Bachelor of Science Degree in Rehabilitation Services. She began her 35 year career at the Lighthouse for the Blind of the Palm Beaches in 1986. She was hired as a Social Worker, conducting intakes and facilitating referrals to community resources. Within  2 years, she moved into the position of Program Coordinator for the Adjustment to Blindness Program while simultaneously taking on the new position of Low Vision Counselor, assisting the doctor in the Lighthouse’s newly established Low Vision Clinic. Mary later moved into the Director of Vision Services position, overseeing all Lighthouse programs, contracts, grants and staff. She served as the Interim Executive Director for 8 months and now serves as the Executive Director. She was the recipient of the Florida Association for Education and Rehabilitation of the Blind and Visually Impaired (Florida FAER) award for Outstanding Rehabilitation Professional for the Blind Award (2019).  Mary has lived in Palm Beach County since 1968. She resides in Jupiter with her husband of 33 years and enjoys time on the water with her grown children and granddaughter.


Rosemary Mulero
Social Services Manager

Rosemary Mulero received her Bachelor of Science Degree in Social Work from Florida Atlantic University. While working towards her degree, she worked as a health care aide for four years and served as a volunteer providing respite services for caregivers of persons with Alzheimer's. Upon completing an internship at Ruth Rales Jewish Family Services, she came to work at Lighthouse in 1995 as a Social Worker. She left Lighthouse in 2000 to dedicate herself fully to a growing family. 
She returned to Lighthouse in 2008 as the Case Management Coordinator. In this role she provided adjustment to blindness counseling, community education, client advocacy, facilitated support groups and managed volunteer services. In 2020, she was promoted to Social Services Manager. Rosemary and her husband live in Lake Worth and are enjoying their newly empty nest, while their two children attend the University of Central Florida. Rosemary enjoys caring for her three dogs, cooking, traveling, crafting and reading.


Whitney Erasmus, M.B.A
Director of Marketing and Development

Whitney has been living in Palm Beach County since 2014, and has a background in on-profit work including; Fundraising, Event Management and Marketing. She graduated from Palm Beach Atlantic University with a Master of Business Administration  with a dual concentration in Marketing and ERP Systems (20200, and a Bachelor of Science in Business Administration (2015). She is a native of Cape Town, South Africa, and hold a Bachelor of Science in Biotechnology from the University of the Western Cape. She enjoys spending time with her daughters, Brielle and Shiloh.

head shot of Elizabeth Prus

Elizabeth Prus,  TVI/COMS 
Youth Services Manager

Elizabeth Prus received her Bachelor’s Degree in Education as a Teacher for the Visually Impaired from Florida State University.  She furthered her education at Florida State with a Master’s Degree in Orientation and Mobility. Elizabeth went on to become certified with the Academy for Certification of Vision Rehabilitation and Education Professionals (ACVREP). She is a Certified Orientation and Mobility Specialist (COMS) and a Teacher for the Visually Impaired (TVI). Elizabeth’s past experiences include working with children in the Martin County school district and with adults at the Veterans Administration Hospital.  Elizabeth has been with the Lighthouse for five years and enjoys working with a variety of age groups. She lives in Jupiter with her husband, Garrett, and Australian Shepherd, Riley. In her spare time Elizabeth enjoys going on the boat, spending time with her family, and trying new restaurants!



Rachael Sessler Trinkowsky, Ph.D., CRC, CATIS
Technology Training and Vocational Manager

Rachael received her Bachelor of Art Degree in Special Education and a Master of Health Science in Rehabilitation Counseling from the University of Florida. She has also earned an Educational Specialist and Ph.D. from Nova Southeastern University. She was the recipient of the Florida Association for Education and Rehabilitation of the Blind and Visually Impaired (Florida FAER) award for Outstanding Rehabilitation Professional for the Blind Award (2017). She is also the Program Coordinator for the Assistive Technology for People with Visual Impairments program at the University of Massachusetts Boston. She has been a Subject Matter Expert Committee Member for the development and updates for the Certified Assistive Technology Instructional Specialist for People with Visual Impairments (CATIS) certification with ACVREP. She came to the Lighthouse in 2003 as an Assistive Technology Specialist. As she earned additional education and specializations, she moved to the role of Technology Training and Vocational Manager. She enjoys spending time with her family and two Chinese Crested dogs.