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Cheryl Butz
Board President
Business Owner and Executive

Thomas Shaffer
Board Treasurer
Booz Allen Hamilton (retired)

Joy Jacques, RN, CALT
ASDEC Faculty Representative

Claire Nissenbaum, M.A. F/AOGPE
Secretary Founder, ASDEC

Jilly Darefsky, MA
Board Member
Head of School, The Siena School
Anthony Henley, Psy.D.
Board Member
Psychologist, Levinson-Block-Henley Collaborative

Glenda Roberts
Board Member
Client Representative, State Farm, Reggie Harris Insurance and Financial Services

Karen Vander Linde
Board Member
Principal, Price Waterhouse Coopers

Katharina Boser, Ph.D.
Board Member
President, Individuals Differences in Learning (IDL), Founder Boser Education Technologies


Ellen O’Neill, MA  Executive Director
With a Master’s degree in Human Services management from Brandeis University, Ms. O’Neill has over 20 years of experience in management,  research, grant writing, and advocacy.  Ms. O’Neill has served on the Board of Directors of the Chelsea School, Maryland Nonprofits, and the Prince George’s County Child Care Resource Center. As a parent of a dyslexic child, Ms. O’Neill brings a passionate commitment to delivering high quality training and education services to children and adults with learning disabilities.

Shingerai Mangwiro M. B.A. Executive Assistant
Ms. Mangwiro brings over 5 years of experience in Accounting and Administration, Sales, Fundraising, Recruiting and Customer Service. Preparing for a career in Financial Planning, Ms. Mangwiro graduated from Abilene Christian University and completed a Certificate Program in Financial Planning at Georgetown University. Ms. Mangwiro also has worked on a number of international and local human rights and economic development initiatives.

ASDEC - Dyslexia Therapy, Training, and Parent Advocacy

17 West Jefferson Street, Suite 201
Rockville, MD 20850

Phone: 301-762-2414
Email: [email protected]

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