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Advancing Clarke

Clarke leaders bring specialized training, as well as academic, business and nonprofit expertise to the organization.

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Clarke Leadership Team

Melanie Austin, MS, CCC-SLP

Director, Clarke Boston

Meredith L. Berger, MSEd. SBL/SDL

Director, Clarke New York

Martha deHahn

Chief of Staff

Alisa Demico, MS, CCC-SLP, LSLS Cert. AVT

Director, Clarke Florida

Rachelle Ferrelli, MA

Chief Communications Officer

Andrea Harkins SHRM-CP

Director, Human Resources

Marian Hartblay, MAT, MED, LSLS Cert. AVEd

National Director of Early Intervention and Preschool; Director, Clarke Northampton

Barbara Hecht, PhD

National Director of Strategic Initiatives and Partnerships

Ashley Mahlstedt Weaver, MED​

Director, Clarke Philadelphia

Lynne Raymer, CPA

Chief Financial Officer, Chief Operations Officer

Judith S. Sexton MS, CED, LSLS Cert. AVEd

Head of Programs and Schools, Interim President

Find the Clarke team members in your area