Meet the 8G Team

We are a dedicated team of industry leaders with most of us having 20+ years of experience. Our Leadership Team has worked hard to strategically create a team of individuals who are experts in their positions. We are proud of the work we do and look forward to each challenge using our solution-focused approach.

Pre-Construction Business Development Team

Bill MacDonald

VP Business Development

Nick Birmingham

Director of Estimating

Chris Sylvester

Senior Estimator

KC Team

Martin Menninger

Director of Field Operations

Andrew Parco

Sr Project Manager

Darren Delger

Project Manager

Jason Purin

Project Manager

Kylie Robinson

Project Coordinator

Lean Manufacturing Team

DJ Perzanowski

Director of Shop Operations

Bobby Coberly

Warehouse Supervisor

John Bryant

Door Supervisor

Michael Kilbury

Fabrication Supervisor

Denver Team

Craig Carson

VP/General Manager – Denver

Joanie Brown

Senior Project Manager

Randi Walters

Project Engineer

John Delene

Director of Field Management

Phoenix Team

Pat Pennington

VP/General Manager – Phoenix

James Neuman

Director of Field Operations

John Williamson

Senior Project Manager

Support Team

Chuck Mowrey


Bud Waddle


Sonja Ambur

Director of Human Resources

Ruby Jimenez

Operations Administrator

Larissa Anderson

Accounts Payable