Mackenzie draws strength from the diverse talents and specialties of our staff. Click on the photos to get to know the members of our integrated team. Looking for a particular person, capability, or job function? Use the filter options or search field below.

Civil Engineering

Matt Butts
  • PE
  • LEED AP
Civil Engineering
Associate Principal, Director of Civil Engineering & Transportation Planning

Matt Butts leads Mackenzie's Civil Engineering and Transportation Planning departments. In addition to managing infrastructure and sports and...Learn More

Kyle Cochran
  • EIT
Civil Engineering
Civil Engineering

Kyle Cochran earned his bachelor’s in civil engineering from the University of Portland. Kyle has worked as a civil designer for a variety of...Learn More

Chris Espeland
  • EIT
Civil Engineering
Civil Engineering

Chris Espeland earned his BS in civil engineering from Oregon State University. Chris is team-oriented, with strong interpersonal skills and an...Learn More

Brenda Franco
  • EIT
Civil Engineering
Civil Engineering

Brenda Franco, originally from Pacifica, California, works in Mackenzie’s Civil Engineering team. Brenda has great familiarity with stormwater...Learn More

Bob Frentress
  • PE
  • LEED AP
Civil Engineering
Senior Associate, Civil Engineer

Bob Frentress joined Mackenzie in 1993 after earning a B.S. in civil engineering from Portland State University. He provides street design, storm...Learn More

Ralph Henderson
  • PE
  • LEED AP
Civil Engineering
Senior Associate, Civil Engineer

Ralph Henderson is noted for his technical mastery. He has worked on a variety of projects from roadway improvements to athletic fields and parks...Learn More

Brian Hollenbach
  • PE
Civil Engineering
Civil Engineer

Brian Hollenbach brings a background of 16 years of experience on commercial, residential, and general civil engineering projects, including...Learn More

Nicole Lammeier
  • LEED AP
  • PE (CA)
Civil Engineering
Civil Engineering

Nicole Lammeier graduated with a Bachelor of Science in Civil Engineering from Ohio State University. Nicole has worked on various civil...Learn More

Dave Larson
  • PE
Civil Engineering
Associate Principal, Branch Manager - Vancouver, Civil Engineer

Dave Larson—both a licensed civil and traffic engineer—led the civil and traffic engineering departments at Mackenzie for more than 26 years....Learn More

Chad Lawrence
  • EIT
Civil Engineering
Civil Engineering

Chad Lawrence began his career with Mackenzie as an intern and is now one of the firm’s civil engineers in the Vancouver office. He has worked on...Learn More

Hannah Marré
Civil Engineering
Civil Engineering

Hannah Marré is a member of Mackenzie's Civil Engineering team and has extensive experience in stormwater management. She is a certified Envision...Learn More

Tim McGuire
  • PE
Civil Engineering
Senior Associate, Civil Engineer

Tim McGuire joined Mackenzie in 1986, after many years of experience with other firms. During his long tenure with the firm, his professional...Learn More

Greg Mino
  • PE
  • LEED AP
Civil Engineering
Civil Engineer

Greg Mino has a Bachelor of Science in civil engineering from the University of Southern California, and is a certified Professional Engineer in...Learn More

Brent Nielsen
  • PE
Civil Engineering
Senior Associate, Assistant Department Head of Civil Engineering

Brent Nielsen earned his B.S. and M.S., with an emphasis on geotechnical engineering, from Montana State University. Brent joined Mackenzie in...Learn More

Riley O'Boyle
  • EIT
Civil Engineering
Civil Engineering

Riley O’Boyle received his BS in civil engineering from the Oregon Institute of Technology. Riley is skilled in a variety of design and mapping...Learn More

Allie Peters
  • EIT
Civil Engineering
Civil Engineering

Allie Peters is a member of the Vancouver Civil Engineering team. Allie earned a Bachelor of Science degree in Civil Engineering and a Master of...Learn More

Breezy Rinehart-Young
  • EIT
Civil Engineering
Civil Engineering

Breezy joined Mackenzie after working for the City of Newberg and the City of McMinnville. At Mackenzie, she works in the civil engineering...Learn More

Bailey Smoke
  • EIT
  • LEED Green Associate
Civil Engineering
Associate, Civil Engineering

Bailey Smoke started at Mackenzie after earning her B.S. in civil engineering from Oregon State University. She assists senior civil engineering...Learn More

Eric Struben
  • EIT
Civil Engineering
Civil Engineering

Eric Struben received his BS in civil engineering from Oregon State University. Eric, an EIT, is highly proficient in industry standard mapping,...Learn More