When Alf isn’t inspecting he collects old hubcaps.

Alf Evers


Big Ben the BBQ king hails from Louisiana. He has been BBQ’ing longer than he has been a construction inspector and Wallis Engineering values has extensive knowledge of both. He always greets you with a huge smile and if you’re lucky some of his out of this world BBQ.

Ben Thomas


Bob's passion for the outdoors is rivaled only by his love of engineering. His dedication to both offer the world benefits of lasting value.

Bob Wallis

Senior Engineer

Chad walks to work everyday and is our champion green commuter. He enjoys going garage sale hunting and has an uncanny knack for finding the best treasures.

Chad Kays

CAD Technician

When Dave isn't rollin' with his homies he is loving all things ultimate frisbee. He travels near and far for tournaments and is always up for a lunchtime game.

Dave Brokaw

Senior Engineer

Hal likes to tinker with mechanical things including his 1953 Willys station wagon and his 1989 Corvette, a by product of his Montana upbringing. And of course he love his Washington Huskies!

Hal Dreyer

Senior Engineer

When Gill is not putting technical documents together or writing proposals, you’ll probably find her knitting.

Gill Wallis

Technical Writer

Jack recently finished up his Master’s degree at Montana State University, where he was lucky enough to be able to pursue his passions for wastewater treatment, skiing and climbing (sometimes all in the same day!). Now back designing wastewater infrastructure, Jack enjoys biking to work and getting out climbing or skiing on the weekends.

Jack Wallis

Project Engineer

Jacob started with Wallis Engineering in 2015, after graduating from Oregon State University. He enjoys golfing, spending time outdoors, and starting—but not finishing—home renovation projects.

Jacob Korsness

Design Engineer

Jane is passionate about promoting civil engineering as a career path, especially for non-traditional engineers. She is just as likely to talk to you about low-bid contract law as botany. Jane splits her recreational time between backpacking in the summer with her kids, and baking in the winter.

Jane Vail

Project Manager

As a native Oregonian most of Jason's childhood was spent either snowboarding on the slopes of Mt. Bachelor, or riding motorcycles through the muddy forests of the Pacific Northwest.  He is now in the process of introducing those invaluable past-times to his 5-year old son, Elijah.

Jason Hanauska

Design Engineer

Lori enjoys puzzles, music and spending time with her family.  She also loves her yearly vacation to the Oregon coast with extended family.

Lori Robinson


Mike spends his free time balancing his four grandchildren, traveling and hunting.

Mike Conway

Project Manager

Ryan spends all of his free time mountain biking, as well as skiing and backpacking with his wife, Laura. He has two rad cats, Miko and Murphy, and a rascal of a dog, Grizz. First designing and building the educational models for the Wallis Infrastructure Museum, Ryan started at the firm as an intern while pursuing his environmental engineering degree at Portland State.

Ryan Voss

Design Engineer

In her free time, Sara enjoys outings with her family and reading. She has participated in multiple half marathons and Hood to Coast relays. She still hasn’t decided whether she loves or hates running.

Sara Mulholland

Proposal Coordinator

This is Tim at the ‘Road Hole’  at St. Andrews Golf Course in Scotland, probably the most famous hole in the world. And his most famous hole as well. He birdied it!

Tim Shell

Senior Engineer

Tomalynn likes long walks on the beach.... jk. Lol
When She is not working she spends her time with family. She enjoys all travel, especially camping at the coast.

Tomalynn Silva

CAD Technician

When not in the office you can find Wes spending time with his family, playing soccer and/or planning his next hunting adventure.  When he is in the office, he enjoys engaging in engineering projects… and pulling the occasional prank on his co-workers.

Wes Wegner

Senior Engineer

An Arizona native, Tyler relishes warm, sunny days and all outdoor activities that accompany them. He enjoys fishing, rafting, swimming, and anything else that allows him to be on the water


Design Engineer


Senior Designer

Kim loves exploring the PNW. She grew up in Alaska and always seeks to find the solitude of nature. She spends the spring and summer months in her garden or camping with her family


Office Clerk