Lisa Christianson founded Bloomington-based Christianson and Co. in 2001. She is a licensed real estate broker in Minnesota and Florida and a member and past president of the Minnesota Commercial Real Estate Association (MNCAR) and the MNCAR Exchange database. She is active in the Minnesota Shopping Center Association, the International Council of Shopping Centers (ICSC), and Commercial Real Estate Women (CREW). Christianson also serves on the Commercial Committee for the National Association of Realtors.

In 2019, Minnesota Commercial Association of Realtors named Christianson Broker of the Year.