Jillian Olsen has been involved in the Libertarian Party since 2016. She served as Treasurer of the Libertarian Party of Kings County from July, 2016, through February, 2017, and again from April, 2018, until the present. She has also served on numerous committees both at the state and local level. She also serves as the Campaign Treasurer for the Kalish Morrow for Hanford City Council 2020 campaign. Originally from Utah, she currently lives in Hanford, California, and is married to Kenneth Brent Olsen, and together they have seven children and two grandchildren.