Logo for: Horizons Greater Washington


Mike Di Marco »

Executive Director

Mike is a seasoned nonprofit professional who has devoted his career to helping youth from families with low incomes overcome the opportunity gap.

Mary Alas »

AmeriCorps ViSTA

A DC native and an alum of Horizons Greater Washington, Mary has returned to take on supporting roles since finishing the program as a student.

Sydney Britton »

Assistant Site Director - St. Patrick’s Episcopal Day School

Sydney joined Horizons Greater Washington in 2018 as a Lead Teacher. During the school year, she teaches kindergarten at St. Patrick’s.

Marta Del Cid »

Site Director - Maret School

Marta is a middle school Spanish teacher at the Maret School, and has worked with Horizons at the Maret School for more than 10 years.

Dana Egan »

Assistant Site Director - Norwood School

Dana has been part of the Horizons family for six years. During the school year, she teaches first grade at Norwood School and serves as a coach to several seventh and eighth grade sports teams.

Lizzie Fox »

Site Director - Norwood School

Lizzie has worked with Montgomery County Public Schools as a fifth, second and third grade teacher, and has worked with the Horizons program in multiple capacities including lead teacher and reading specialist.

Valentina Gabrielli »

Program Director

Valentina has ten years of teaching experience in public and independent school settings and is currently a Spanish teacher for grades 5 and 6 at St. Patrick’s.

Carmen Gutierrez »

Family and Community Engagement Manager

Fueled by the impact she has seen with some Horizons graduates, Carmen is driven to help our students and their families.

Angel Richardson »

Assistant Site Director - Maret School

Angel is a second grade teacher at St. Patrick’s, and has worked as a Lead Teacher with Horizons for several years.

Sally Sloan »

Chief Financial Officer

Sally has been active in the Maret volunteer community for many years, including chairing the Annual Fund, coaching the Girls on the Run team, and serving as co-chair of the Horizons Council and as a Parent Association representative.

Erin Souk »

Director of Development

With more than 12 years of experience in development and communications, Erin leads the Horizons Greater Washington’s advancement program to broaden the donor base, development, and outreach.

Becca Yates »

Institutional Giving Manager

Becca is responsible for grant management, the donor database, and development initiatives in support of our annual fundraising plan.