Jacek "jack" Kobiesa

Jacek "jack" Kobiesa is a candidate for U.S. Representative District 4 Primary Election in 2026 in Congressional District 4, Washington.

Mechanical engineer in Pasco, WA

Also running: Elpidia Saavedra, Amanda Mckinney, John Duresky, John C. Hughs, Favian Valencia, Jerrod Sessler, Devin Poore, Ken Vaz, Zac Rossi, Matt Boehnke.

Jacek Kobiesa, also known as "Jack," is a mechanical engineer who earned a bachelor's degree from Washington State University in 2008. He is running for election to the U.S. House to represent Washington's 4th Congressional District. Kobiesa is on the primary ballot as a No Party Preference candidate on August 4, 2026, and has completed Ballotpedia's Candidate Connection survey.