In carrying out the work of its mission, HEAF draws on a breadth of experience and dedication to the core values that inform its unique approach to academic enrichment, youth development, and career preparation. HEAF’s staff is comprised of diverse individuals working diligently and collaboratively to carry out its mission of empowering underserved students through a comprehensive array of educational programming and learning opportunities.

Executive Staff

Headshot RRRuth Rathblott

President & CEO Click to Email
Ms. Rathblott has been a leader in the nonprofit sector for nearly 20 years, 15 of which she spent at Big Brothers Big Sisters of New York City where she played a central role in its expansion. There she held a series of progressively responsible positions, ultimately serving as associate executive director where she managed a $10 million annual budget and oversaw six major agency departments and corresponding board committees ranging from finance to public relations /marketing to operations. Ms. Rathblott holds a B.A. from Goucher College and an MSW from Boston University. She was the youngest alum awarded the Goucher College Excellence & Leadership in Public Service in 2005. Ms. Rathblott joined HEAF in January 2013.

Deirdre BennettDeirdre Bennett

Director of Finance and Administration Click to Email
Deirdre Bennett comes to HEAF with several years of nonprofit experience. Before coming to HEAF as Director of Finance and Administration she worked at several non profits offering healthcare and educational services. Ms Bennett brings an expertise in all aspects of not for profit accounting. She has a lifelong dedication for helping others and feels working with non profits allows her to fuel this passion. Ms. Bennett is a CPA and earned her BBA at Baruch College.


Malin Bergman

Director of Development and Communications Click to Email
Malin Bergman brings over ten years of experience in economic research, institutional fundraising, and copywriting. Prior to joining HEAF in 2014, she worked as a grant writer at ACE Programs for the Homeless, where she increased the agency’s institutional funding base by nearly 300% in one year, and secured multiple new supporters at giving levels up to $100,000.  She also wrote copy for several successful campaigns that engaged numerous new and lapsed donors, and helped launch a new communications plan to raise ACE’s visibility throughout the philanthropic community. Before joining ACE, Ms. Bergman served as a grant writer and/or volunteer copywriter for a range of youth programs and social service organizations, including Union Settlement Association, Educational Alliance, and Future Giants.

Ms. Bergman holds a Ph.D. in Economics, with a concentration in the economics of inequality and poverty, from the Stockholm School of Economics. During her time in academia, she spent one year in the Harvard/MIT joint Ph.D. program in Economics as a visiting student, and two years at Columbia University as a post-doctoral fellow.

Keisha BoatswainKeisha Boatswain

Chief of Programs Click to Email
Keisha Boatswain is no stranger to fields of youth development, and education. Prior to joining HEAF in May of 2016, Keisha held executive level positions with leading nonprofits across the city, and served at the director level with the NYC Department of Education and the NYC Department of Youth and Community Development.  Ms. Boatswain holds a B.A from Morris Brown College, an MPA from City University of New York, and a Master of Science in Education from Mercy College. She is committed to developing programs that empower communities to improve their conditions.


nia-challengerNia Challenger

Brooklyn Site Coordinator Click to Email
Nia Challenger is a Brooklyn native and a graduate of Howard University.  She is passionate about giving back to her community and providing resources and mentorship opportunities to students of low income neighborhoods, particularly around the arts. Nia has been to 5 continents and enjoys traveling and experiencing new cultures and people. She has 3 years experience working in youth development in both non profit and for profit sectors and serves as the Site Coordinator for HEAF’s Brooklyn site.

Cassidy DermottCassidy Dermott

Receptionist/Office Assistant Click to Email
Cassidy holds a BA in Theatre and Dance from Dickinson College and brings to HEAF her passion for education and the creative arts. A New York resident of 3 years, Cassidy is also a working actress and teaching artist. She has taught students ages 5 to 17 in theatre programs across the mid-Atlantic and has most recently directed productions for Brooklyn Children’s Theatre and KJK Productions. Cassidy believes the creative arts and the magic of theatre foster exploration, curiosity, and thoughtfulness and offer students the opportunity to excel and shine.

rosemary-ferreiraRosemary Ferreira

Onward Coordinator Click to Email
Born and raised in New York City, Rosemary is passionate about providing resources and mentorship to inner-city youth, particularly around leadership development and college access. She earned her BA in Environmental and Urban Studies from Bard College and began her career in youth services as a dean in the Sadie Nash Leadership Project. Since then she has worked with several educational non-profit organizations including City Year, the Fresh Air Fund, and the DREAM Project. She is excited to work with students to fulfill their college and career goals as the Onward Program Coordinator.

Mike FerronMichael Ferron

Manager, Onward Click to Email
As a Brooklyn native, Michael Ferron is well versed in the needs of the community and HEAF. Michael knows and understands the benefits of emotional intelligence and solution focused youth development. Michael graduated from Daemen College with a BA in Social Work. Over the last 2 years, he has worked with several youth organizations that focus on providing youth development resources to students from underserved backgrounds in the State of New York. In these settings he has worked on crisis intervention with families, youth development, college readiness and access. Michael brings experience from organizations such as Department of Social Services, Child Protective Services of Erie County, New York City Department of Education and College Summit Inc.

GingerGinger Galvez

Associate Director, Youth Development Click to Email
Ginger brings to HEAF over 13 years of experience in leadership, innovative programming and counseling with youth in the Greater New York area. Her supervision of Graduate social work interns has been with New York University, Columbia University and Hunter College. Additionally, Ginger has several years of experience in both non-profit and private practice providing individual, family and group therapy. She received both her BSW and MSW from Adelphi University and earned her LMSW from the New York State Department of Education and SIFI from Silberman School of Social Work at Hunter College.


Lauren GirshonLauren Girshon

Manager of Individual Giving Click to Email
Lauren Girshon is a strategic thinker with diverse experience who fuses creativity with strong business acumen to achieve results.  She was born in the Bronx, raised in the suburbs of New York City and currently lives with her family in Manhattan.  She graduated from Washington University in St. Louis with a B.A. in Art History.  She started her career after graduation at Goldman Sachs in London and has subsequently worked in various industries, including non-profit.  Raising her children in the NYC public educational system, she understands the challenges involved in navigating the system and how daunting it can be without the proper resources.  She loves being part of an organization that believes in the potential of every child and which aims to provide equal educational and college access.

Caitlyn GriffinCaitlyn Griffith-Heritage

Associate Director, High Expectations Click to Email
Caitlyn is a recent transplant to NYC, having grown up in Nashville, TN. After graduating from Furman University, in Greenville, SC, with a Bachelors degree in Political Science with a concentration in Poverty Studies, she joined the Peace Corps where she taught high school English and trained teachers in Kayonza, Rwanda. Upon completing her Peace Corps Service, she moved to Limuru, Kenya where she founded a girls boarding high school and served as the Director of the school for three years. She has a global passion for providing rigorous and high-quality education that breaks the cycle of poverty by equipping students with critical thinking skills and creativity and empowering them to be change makers in their communities.

L'Toya JonesL’Toya Jones

Program Coordinator, High Expectations Click to Email
L’Toya hails from upstate New York. Her desire is to help students discover their full potential and empower them to be influencers in their local and global communities. L’Toya is a graduate of New York University and has a diverse background, working in museum education, charter school education and various after-school programs.


Shatia Mckinnon - smallShatia Mckinnon

Finance Associate & Administration Manager Click to Email
Shatia Mckinnon is a New York Native who has resided in four out of five boroughs of New York City, and currently lives in the Bronx. Shatia has always had a passion for helping people. She started her career at John Jay College of Criminal Justice majoring in Legal Studies, but later found interest in Finance and Human Resources. Shatia earned her degree in Criminal Justice, and is still pursuing her education in Legal Studies while at the same time looking to become a certified Human Resource Manager.

phylicia-matthewsPhylicia Mussington-Matthews

Youth Development Counselor Click to Email
Phylicia Mussington-Matthews received her B.S. in Psychology with a concentration in neuroscience from Brooklyn College. She always hoped to make a significant contribution to the scientific community but realized the biggest contribution she could make was helping to shape the leaders of tomorrow. The Brooklyn native has 9 years of experience working with youth in both for profit and not-for-profit sectors.

DP Head ShotDevoynne Prophet

Associate Director of Volunteer Initiatives and Corporate Relations Click to Email
Devoynne Prophet brings many years of organizational experience in the private, public, and nonprofit sectors to her role at HEAF.  As the first member of her family to graduate college, Devoynne is a proponent of the power of education and works to ensure as many students as possible believe they can work to make their dreams come true.  Born and raised in Harlem, Devoynne has a fierce dedication to serving this community and others like it. Devoynne believes a light shines in each of us and given the right support, students can thrive and showcase their brilliance and creativity.  Devoynne received a dual degree in Sociology and English from Lehman College, CUNY, where she was also invited to join the Lehman Scholars Honor Program.

Nkese RankineNkese Rankine

Associate Director of Admissions & Community Relations Click to Email

Nkese Rankine has a B.A. in Political Science and Women and Gender Studies from Bates College and a Masters in Sociology and Education from Teacher’s College Columbia University. Over the last 5 years, she has worked with several youth organizations that focus on providing educational resources to students from underserved backgrounds in the larger New York City area. In these settings, she has worked on multimedia communications, web-based development, volunteer engagement, developing external partnerships, and video and print marketing. She brings to HEAF passion and a vested interest in better supporting students.

Stefin WooleverStefin Woolever

Development and Communications Associate Click to Email
Stefin Woolever is a native Coloradan and a 1-year old New Yorker. A graduate of the University of Denver with a B.A. in Theatre, Stefin has pursued a career in acting, in Denver and now here in NYC, while accidentally stumbling into the world of Educational Nonprofits and development work. Prior to HEAF, Stefin was the Executive Assistant and Development and Communications Coordinator at Family Star Montessori in Denver, CO. Stefin brings with him a passion for education and for elevating students to be better and strive for more. Stefin loves to learn and brings with him a passion for HEAF, charisma and theatricality, and a daily smile!