NTA Team

The NTA Team

Meet Our Staff

At NTA, the expertise of our registered professional engineers helps position us above the competition. But it’s not just our engineers who make us great, at NTA our entire staff works as a team to make the certification process simple, seamless and efficient for you. NTA is pleased to introduce you to just a few members of our staff.

David A. Tompos, President

David A. Tompos

President, CEO

David is engaged in the strategic vision and direction of NTA. Also, he is personally involved with government and regulatory agency relations, including HUD.

Eric Tompos, VP, Director of Compliance

Eric Tompos, P.E., S.E., C.B.O.

VP/Director of Compliance

Eric ensures our quality of services through regulatory, policy and compliance audits in order to assess the effectiveness of our testing, operational and sustainable procedures and controls.

David R. Tompos, Founder

David R. Tompos

Founder, VP, Director of Sales

Responsible for the planning and execution of strategic and tactical plans to achieve the sales objectives of NTA.


Phil Jones, COO

Phil Jones

VP of Operations/COO

Responsible for managing the daily operations of NTA, as well as assisting in planning and executing our overall objectives.

Dale Arter, Director of Testing and Certification

Dale Arter

Dir. of Product Certification/Testing

Overall responsibility for NTA testing and product certification related programs as well as providing support and sales for future programs to meet client needs.

Robert Lee, Director of Inspection Services

Robert Lee

Director of Inspection Services

Overall responsibility for all NTA inspection activities as well as providing support and sales for future programs to meet client needs.

Chuck Osterday, Director Modular Services

Chuck Osterday

Director of Modular Services

Overall responsibility for day to day operations of the Modular services department, as well as providing support and sales to future programs to meet client needs.

Harry Odum, Director of DAPIA Services

Harry Odum

Director of DAPIA Services

Overall responsibility for ongoing, day to day operations of the DAPIA services department, as well as providing support and sales to future programs to meet client needs.

Coraya Siwy, Modular Coordinator

Coraya Siwy

Modular Coordinator

Responsibility for coordination with state authorities having jurisdiction.



Ryan Boring, Director of Engineering

Ryan Boring, P.E.

Director of Engineering

Overall responsibility for day-to-day operations of the engineering team as well as provides structural support and assistance to clients in all departments.

Caleb Hunsberger, Testing Lab Manager

Caleb Hunsberger

Testing Laboratory Manager

Overall responsibility for day to day operations of the testing laboratory. Providing organization, management and scheduling of testing projects.


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