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For bios, see the links below

Board of Directors

Peter K. Hackbusch
President / Principal-in-Charge

Keller C. Hackbusch, P.E.
Chief Executive / Manager of Airfield Electrical Department
Business Development

Tim A. Prockish, P.E.
Executive Vice President / Electrical Department Manager
Chief Electrical Engineer/Business Development

Edward R. Gansberg
Assistant Electrical Department Manager
Electrical Project Manager/Designer


Kevin B. Melrose
Electrical Project Manager

Ginny Ganthner
Marketing Coordinator

Rhonda Cerveri
Accounting Manager

Traci Frey
Airfield Electrical Project Manager/Designer

Traci Frey

Traci Frey

Airfield Electrical Project Manager/Designer


Mrs. Frey has many years of engineering experience (see below). Prior to her Dinter employment, she spent 13 years as an AutoCAD drafter/designer/assistant project manager for ABB, which manufactures sensors and instruments for liquid property measurements. She has been with Dinter Engineering since March 2006 as an Airfield Electrical Project Manager or Designer for power, lighting, signage, and NAVAID systems on airports. She has performed all phases of electrical engineering including design, project scheduling, estimating, submittal review, field inspections, overseeing staff and drafters and project management duties.

Mrs. Frey's airfield project experience includes work for 5 international air carrier airports, 18 general aviation or regional/municipal airport facilities, and 3 military air bases located in Arizona, California, Colorado, Florida, Idaho, Nevada, Utah, Washington, and Wyoming.

Traci's airfield project experience includes work for 23 different airports and 3 military air bases in 9 states.


Dinter Engineering: Since 2006
Other firms: Since 1991


Associate of Applied Science, Engineering Drafting Technology - 1989