Dick Dokken, PE

Founder & Chairman

"In 1986, I knew there was a better way to design the transportation infrastructure our communities in California so desperately need. I'm proud of what Dokken Engineering has done over the last 30+ years."

At Dokken since 1986

Get to Know Our Leadership Team


Rick Liptak, PE


"It's not the projects we design that make Dokken Engineering the great firm that it is. It's our people. I firmly believe in the transformative power of an incredible team, and at Dokken, we have just that."

At Dokken since 1986


est. 1986

We are civil and structural engineers, environmental planners, right of way agents. We are hydraulics specialists, community outreach experts, biologists, archaeologists, traffic and electrical engineers. We are design and delivery gurus. 

John Klemunes, PE


"I love the passion I see from our team every day I come in to work. Their love of designing innovative projects is contagious."

At Dokken since 2000

Matt Griggs

Matt Griggs, PE

VP Design & Engineering



"The amazing work we do at Dokken makes me so proud. Our incredibly talented team comes to work bringing their A game every day."

At Dokken since 2002

Juann Ramos, PE

VP Design & Engineering


"At Dokken, I'm able to truly think and design outside the box. Not every firm gives its employees the freedom to be innovators."

At Dokken since 2001

Cathy Chan

VP Administration



"We're not just engineers and technical experts. There's an entire team of administrative professionals helping support the work we do."

At Dokken since 1991


Sarah Holm

Environmental Services Manager



"At Dokken, there are so many different specialties represented under one roof. Every day we get to work as one big team to develop creative solutions and to have fun while delivering projects. That is why I love it here."

At Dokken since 2007

Liz Diamond, PE

Director of Project Delivery




"I love the opportunity we have to make a difference in the communities in which we live. The projects we design...we drive on those roads, over those bridges."


At Dokken since 2007

Mark Tarrall, PE

San Diego Regional Manager


"I chose to work at Dokken for the people, the projects, and the values. Our team embodies Dokken's strong core values every day."

At Dokken since 2009

Brian Stephenson, PE

Redding Regional Manager



"Our team consistently impresses me. The collaboration, dedication and creativity I see from staff across all our offices are among the many reasons I've been at Dokken for the last two decades."

At Dokken since 2000


Justin Thornber, PE



Justin was named as our San Diego office's Employee of the Quarter for his excellent work, positive attitude, and dedication. He puts in additional effort to meet challenging deadlines and keep our clients satisfied. His strong writing and CAD skills were essential in helping prepare Project Reports and DSDDs with minimal oversight. Justin is a quick learner and works independently on a variety of projects. We are so grateful to have Justin on the Dokken team!

Justin Thornber.jpg

Spotlight on Dokken's Employees of the Quarter



Hanna Sheldon





Hanna was named as our Folsom office's Employee of the Quarter because she is always enthusiastic to take on new challenges and responsibilities and is committed to seeing her projects through to completion. Hanna has very effective communication skills and an ability to form great relationships with colleagues both inside and outside of Dokken. Hanna’s strengths were especially evident while she provided environmental construction support for numerous projects throughout the state.