Loudoun Literacy Council


Leslie Mazeska, Executive Director

Leslie has been Executive Director since October 2012. With more than 18 years experience in education and non-profit management and fundraising, she has a special passion for working with organizations that have the ability to make a difference in people’s lives.   Contact Leslie at lmazeska@loudounliteracy.org.

Tanya Bosse, Family Literacy Program Director
Tanya has been with the Family Literacy Program since February of 2008. She holds a degree in Therapeutic Recreation and started off her career as a preschool teacher and then worked in the corporate sector before returning to work in the non-profit world.  She has enjoyed volunteering with several Loudoun County organizations and brings a love of children, education and giving back to the community to her work. Contact Tanya at tbosse@loudounliteracy.org.

Sarah Ali, Adult Literacy Program Director
Sarah joined Loudoun Literacy Council in the spring of 2016.  In her former roles as educator at the Children’s Science Center and coordinator for several school-based STEM programs, she enjoyed serving as an enabler for learning.  Sarah graduated from Cornell University and holds a Masters from Harvard School of Public Health.  In her free time, she plays tennis with her sons, hikes, volunteers for local environmental organizations, and attends a book group.  Contact Sarah at sali@loudounliteracy.org
Beth Olivero, Operations Manager
Beth Olivero joined Loudoun Literacy in April 2015.  She is a graduate of The University of Toronto (Bachelor of Education) and Wilfrid Laurier University (Bachelor of Business Administration).  She spent 6 years teaching high school business and special education in Canada prior to moving to the United States.  She hopes to bring her education training and her business background together to help the office and each program run efficiently.  Contact Beth at bolivero@loudounliteracy.org.  

Leah Cooper, Program Coordinator, Adult and Family Literacy Programs
Having begun her work with Loudoun Literacy Council as a volunteer instructor, Leah joined the staff as our Program Assistant in spring 2016.  She holds a degree in Spanish and Latin American Studies and is fascinated with language.  After an interesting and varied career path, she’s happy to get back to her linguistic and non-profit roots.  When not assisting with programming, Leah runs her own millinery company and reads voraciously.  Contact Leah at lcooper@loudounliteracy.org.