Current roleHealthcare professional

PartyRepublican

LocationCalifornia

BackgroundHealthcare professional

Notable personal detailsLaurie John MacKenzie (often styled as L. John MacKenzie) is a Republican candidate for the U.S. House in California's 4th Congressional District in the 2026 cycle. He has described himself as a military veteran, healthcare professional, and small business owner. His campaign states he served 10 years in the U.S. Marine Corps and 15 years in the U.S. Air Force Reserve and has worked in healthcare with a focus including medical and mental health challenges.