Justin Jones, PE
Co-Owner / Senior Civil Engineer
Justin is a civil engineer with nearly 20 years of experience specializing in civil engineering for development and redevelopment projects. His expertise in civil engineering and the land use process makes him an active participant in master planning, site entitlements, site civil design, roadway design, low impact stormwater design and project and construction administration.
In his free time, Justin enjoys experiencing well-designed communities, neighborhoods and buildings (including breweries!). He has designed and constructed many of the furnishings at JMJ TEAM, including our staff’s signature sit/stand orange desks.
Co-Owner / Senior Land Use Planner
Joleen is a land use planner and project manager with more than 15 years’ experience in the A/E industry. Her expertise in getting through the permitting process and planning documents makes her an asset to project teams from design through construction.
Outside of work, Joleen is involved in the community as a Sumner Design Commissioner, on the Washington State Fair Foundation Board, as well as a Sumner Rotarian.
Justin and Joleen have two kids and a goldendoodle.
Ian Harkins, EIT
Ian is a civil engineer with four years of experience working on projects ranging from the Washington State Fair to office high-rises. Ian has a practical approach to problem solving and works collaboratively with all disciplines.
Outside of work, Ian enjoys concerts and the outdoors, particularly camping, hiking and skiing. Possibly his love for the outdoors comes from his experience in the Boy Scouts, where he earned the top designation of Eagle Scout.
Rick Hermes, PE
Senior Civil Engineer
Rick’s passion for civil engineering began in high school when he began highway design for the North Dakota Highway Department. Now Rick has more than 50 years of experience, specializing in water and wastewater systems, surface water, street and arterial improvements and environmental remediation.
In his free time, In his free time, Rick enjoys biking and working on his chip carvings.
Derek Manaka, EIT
Derek joined JMJ TEAM in fall 2021 and has a civil engineering degree from Seattle University. At Seattle U, Derek was on a student/professional team that used leftover cross-laminated timber to build ADU houses. That project won an NCEES Engineering Education award in 2021. In his free time, Derek enjoys watching sports, cooking, and playing basketball.
Pawarisa “Pow” Onmun
Pow joined the JMJ TEAM in Spring of 2022. She has an A.S degree from Pierce College and 3 years of civil drafting experience.
In her free time, Pow enjoys exploring the outdoors with her klee kai (Bindi), cooking, camping, and searching for the next foodie destination to try.
Mirissa has an A.S. in Architecture, Engineering and Construction from South Puget Sound College. In her free time Mirissa enjoys going to concerts, baking, and spending time with family and friends. She also has a new puppy named Bentley that she loves to spoil.
Ryan is lead construction manager with more than 30 years of experience in development and construction. Ryan worked as a firefighter in Pierce County, including his last position as Fire Chief for Graham Fire and Rescue until his retirement. His years in public service has given him experience communicating with the public and an approach to serve the public in all his work.
In his free time, Ryan enjoys the outdoors including skiing, hiking and spending time with his family.