David Wallis, GISP, CMS, is the Information Technology and GIS Director for Cowlitz County, Washington.  He has taught Legal Descriptions, GIS, and many other classes statewide for the Washington Department of Revenue for over 20 years. 
David graduated Magna Cum Laude through the University Honors Program at Western Washington University with a Bachelor of Arts degree in Technical Writing and a minor in Spanish.  He’s worked in the Assessment/Mapping/GIS departments at Cowlitz County for over 23 years.  He earned his Geographic Information Systems Professional (GISP) designation in 2009.  He also earned his IAAO Cadastral Mapping Specialist (CMS) credential in 2012.  David is a Washington State Department of Revenue (WADOR) Accredited Appraiser since 1997, and an International Association of Assessing Officers (IAAO) Certified National Instructor for all mapping and GIS courses and workshops. 
David and his wife, MaryAlice, have been married for 31 years and they have 4 children.  David enjoys spending time with his family, writing and playing music in his recording studio, reading classic literature, and collecting Disney items.