APA - The Engineered Wood Association

APA Field Services

The APA Field Services team consists of full-time engineered wood specialists located throughout North America. These engineered wood experts include engineers, architects, and construction experts who are available to provide information and recommendations to construction and design professionals.

APA Field Services Representatives

Tom Kositzky, Director
Tacoma, WA
(253) 565-6600
Direct Line: (253) 620-7423

Mark C. Halverson, Manager
Flagtown, NJ
(908) 371-0807 

Regional Field Representatives

Karyn Beebe, PE, LEED AP, Member Services Liaison
San Diego, CA
(858) 668-7161 

David L. Birmingham
Lindsay, Ontario
(705) 878-8943

Matthew Brown
Frisco, TX
(214) 930-7075

Robert B. Clark
Dundee, MI
(734) 823-5412

Roland Hernandez
Houston, TX
(281) 291-7322  

Bryan T. Readling, PE
Davidson, NC
(704) 892-7538 

Roger L. Roatch
Tacoma, WA
(253) 851-1519 

Mary Uher
Columbia, MD
(410) 730-9663

Areas of Expertise

Each APA representative is available to provide consultation and seminar training on topics such as:

  • IRC Wall Bracing
  • Moisture and Mold Prevention
  • I-Joist and LVL Floor Systems
  • Shear Walls and Diaphragms
  • Code Changes Affecting Engineered Wood
  • Preventing Floor Squeak and Callbacks
  • Picture Perfect Framing – Minimalizing Common Callbacks
  • Designing with Glulam Beams
  • Inspecting Engineered Wood Applications


The Field Services team conducts education and training meetings and formal seminars for users, specifiers, dealers, distributors, students, and others. To request a meeting or seminar, contact the Field Services manager, Mark Halverson.

International Assistance

For information about international markets for engineered wood products, go to the APA International page.