This year, we welcome 10 new Associates, 8 Senior Associates, 5 Partners, and a new Board Member to these distinguished roles.
Congratulations to each of these incredible employees on this well-deserved recognition of their dedication and achievements. We are excited to see the remarkable contributions they will continue to make in the years to come.
Associate
Buck Mercer | Director of Facilities, Fleet, & Safety | Roseville
Autumn Lyn Donovan, PE | Project Engineer | Las Vegas
Miguel Gonzalez | Party Chief | Sacramento
Ashley Christensen, RLA | Project Landscape Architect | Roseville
Diane Arkell | Senior Project Accountant | Reno
Eric Ford, GISP | Project GIS Analyst | Reno
Christine Rice, PE | Project Engineer | Roseville
Mike Ronco, PE | Project Engineer | Sacramento
Cassandra Saechao, PE | Project Engineer | Sacramento
Andrew Dellas, PWS | Senior Biologist | Sacramento
Senior Associate
Carlos Contreras, PE | Principal Engineer | Sacramento
Jay Punia, PE | Principal Engineer | Sacramento
Pete Blum, PE | Principal Engineer | Roseville
Tom Balbierz, PE, GE | Principal Engineer | Roseville
Melissa Gomez, PE | Principal Engineer | San Diego
Michael Detwiler, PLS, CP, CMS | Principal Surveyor | Reno
Stacey Randall, PE | Principal Engineer | Roseville
Partners
Justin McDougal, PE | Principal Engineer | Reno
Vance Jones | Principal Planner | Roseville
Sean Spaeth, PG, CHG | Principal Hydrogeologist | Roseville
Jason Reed, PE | Principal Engineer | Roseville
Tim Chamberlain | Principal Engineer | Roseville
Board
We are proud to welcome Glen Parker, PE, as the newest member of our Board of Directors. Based in our San Diego office, Glen serves as a Principal Engineer in our Transportation Department and brings invaluable expertise and leadership to this role.
Congratulations to all our 2025 promotions—we are excited to see your continued impact and leadership as we move into another successful year together.
