GBA Strategic Leadership Promotions


Member News

LENEXA, Kansas. – Sept. 21 – GBA is proud to announce numerous well-deserved promotions that help complete our new organizational senior-leadership structure.

Senior Vice President Promotions

Les Barnt and John Cooper play a pivotal role in the success of GBA by managing critical functions, including financial oversight, client relations, talent development and succession planning. They promote collaboration between affiliates, markets and regional offices, contributing significantly to GBA’s overall growth. They are leaders who shape the future of GBA through their involvement in serving on the GBA Board of Directors.

Les Barnt

Senior Vice President – Buildings and Site Development
Les is an advocate for GBA’s Life Sciences, Mission Critical, Industrial and Site Development market leaders.
Click here to read more about Les.

John Cooper

Senior Vice President - Infrastructure
John is an advocate for GBA's Transportation, Municipal and Water Environment market leaders.
Click here to read more about John.

Vice President Promotions

Scott Moeder and Bryan Rasmussen are strategic collaborators who drive growth and foster a culture of excellence in their respective markets. They have a proven track record of creating engaging work environments through employee involvement, training and development initiatives. They partner with other GBA markets and affiliates to position the organization for continued success. Scott and Bryan are exceptional at nurturing client relationships that ensure all GBA’s partnerships are healthy and thriving.

Scott Moeder

Vice President of Transportation
Scott leads the GBA Transportation teams.
Click here to read more about Scott.

Bryan Rasmussen

Vice President of Mission Critical, Fire Protection & Life Safety and Building Code Services
Bryan leads the GBA Mission Critical, Fire Protection/Life Safety and Building Code Services teams.
Click here to read more about Bryan.

Principal Promotions 

The recently promoted Principals initiate growth-orientated strategies with a strong emphasis on fostering collaboration within the organization. They leverage industry relationships to identify project, business opportunities and client satisfaction. They translate strategic visions into actionable plans, prioritizing employee engagement, training and strategic hiring, to foster a culture of excellence and innovation. They work closely with market and affiliate leaders to successfully bring strategic initiatives to fruition, contributing to the organization’s overall success.

Mike Erdtmann

Principal of St. Louis, Missouri Area Regional Offices
Mike oversees GBA’s regional offices in the St. Louis, Missouri area, primarily focused on Transportation projects. 
Click here to read more about Mike.

Aaron Frits

Principal of Roadways within Transportation
Aaron’s primary focus is to expand Roadway and Traffic services within the Transportation market.
Click here to read more about Aaron.

Kurt Hassler

Principal of Omaha, Nebraska Regional Office
Kurt oversees the Omaha, Nebraska regional office, primarily focusing on Water Environment projects.
Click here to read more about Kurt.

Michael Lay

Principal of Site Development and Survey
Michael is responsible for guiding and growing the GBA Site Development and Survey teams.
Click here to read more about Michael.

Holly Lehmkuhl

Principal of Bridge within Transportation
Holly focuses on strategically expanding Bridge Design and Inspection Services within the GBA Transportation market.
Click here to read more about Holly.

Keri McGill

Principal of Structural Engineering
Keri leads a team of engineers that work on structural projects in Life Sciences, Mission Critical, Industrial and Municipal markets. Keri leads the Risk Management efforts within the GBA Board of Directors.
Click here to read more about Keri.

Frank Phelan

Principal of Austin, Texas Area Regional Offices
Frank oversees GBA's regional offices in the Austin, Texas area, the company's largest geographical presence after its headquarters in Lenexa, Kansas. These offices are primarily focused on Infrastructure projects.
Click here to read more about Frank.

About GBA

GBA provides innovative engineering and architectural solutions to clients throughout the United States. Primary markets include Industrial, Life Sciences, Mission Critical, Municipal, Site Development, Transportation and Water Environment.

Headquartered in Lenexa, Kansas, GBA and its affiliates employ over 500, with 15 regional offices scattered nationwide. Members of GBA’s multi-disciplinary staff work closely with clients to accomplish the firm’s core purpose – “Creating Remarkable Solutions for a Higher Quality of Life.”

To learn more about GBA, visit