Specialist Directory

Liesl Wenzke Hartmann, MA, CCC-SLP, BCS-CL


Positive Development


3006 Military Road Northwest, Washington, DC 20015

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Liesl Wenzke Hartmann, MA, CCC-SLP, BCS-CL

As a speech language pathologist specializing in supporting children with developmental differences, Liesl uses an individualized approach that is focused on joining each child and family where they are.

Areas of Emphasis:

  • Autism Spectrum Disorder
  • Cultural and Linguistic Diversity/Bilingual Speakers/English as a Second Language
  • Developmental Language Disorder
  • Genetic Syndromes (Associated with Language Disorders)
  • Intellectual Disabilities
  • Language/Learning Disabilities
  • Language Wellness
  • Parent Coaching
  • Speech Sound Disorders

Other Areas of Emphasis


Ages of Emphasis:

  • Birth to Three
  • Early Education (Ages 3–5)
  • Early Elementary (Kindergarten to Grade 6)