Seth Hantke was raised in Tillamook, Oregon. Seth graduated from Willamette University in 1995. After graduation, Seth worked for two years as a social worker in Chicago and Detroit as an at-risk youth outreach counselor and foster care case manager. He then returned to Oregon and worked for the Oregon Youth Authority as a juvenile parole officer.
Seth graduated from the University of Montana School of Law in 2001. He joined the firm in January 2002, and became a partner on January 1, 2006. Seth is the past Treasurer of the 6th Judicial District Bar Association , is a volunteer for Legal Aid Services of Oregon, as a past member of the State Family Law Executive Committee, and has served as a Pro Tem Municipal Court Judge. Outside of the office, he enjoys motorcycling, playing the guitar, traveling, and spending time with his family.