APA Field Services

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

What is an Engineered Wood Specialist?

The services of APA's Engineered Wood Specialists are paid for by the engineered wood industry, so their services are free. APA's Engineered Wood Specialists are located across North America and work with construction industry professionals who design with, specify, install or inspect engineered wood products (EWPs). Engineered Wood Specialists are available to assist with questions regarding code compliance, manufacturing, design, specification and installation of EWPs or other questions related to wood-frame construction with EWPs.

Areas of Expertise

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

  • Advanced Framing: Best Practices for Design and Implementation, IECC Compliance
  • Code Changes Affecting Engineered Wood
  • Designing with Glulam Beams
  • Fire Protection of I-Joist Floors
  • Frame for Success: Avoid Callbacks
  • I-Joist and LVL Floor System Installation
  • Moisture and Mold Prevention in Building Assemblies
  • Nonresidential Framer Training
  • Shear Walls and Diaphragms, Force Transfer Around Openings (FTAO), the APA FTAO Calculator
  • Wall Bracing: IRC Compliance, the APA Wall Bracing Calculator, APA Simplified Wall Bracing Method
Seminars and Webinars

The Field Services team conducts education and training seminars and webinars on the above topics and more. Seminars are typically presented to residential builders, commercial contractors, architects, engineers or code officials.


APA Field Services Representatives


Regional Engineered Wood Specialists


Matthew Brown

Hamlet, IN
(214) 930-7075

Aleeta Dene, PE

Pasadena, CA
(650) 303-9025

Roy Frederick

New Braunfels, TX
(832) 687-8882

Warren Hamrick

Hickory, NC
(828) 289-7012

Robert (Bob) Kuserk, PE

Mount Laurel, NJ
(856) 305-2995

Cory McCambridge

Mississauga, Ontario
(905) 460-4455

Ron Nuttall

Greenwood Village, CO
(720) 930-2621

Larry Oenning, PE

Vancouver, WA
(360) 900-9992

Cathy Scarince, PE

Frisco, TX
(469) 247-1885

Stephanie Thomas-Rees

New Smyrna Beach, FL
(386) 871-0639

Kyle Tilley

Dallas, GA
(470) 571-5729


Tom Kositzky, Director

Tacoma, WA

Karyn Beebe, PE, LEED AP, Region Manager

San Diego, CA
(858) 997-7713

Mary Uher, Region Manager

Baltimore, MD
(240) 242-9663