Johnsen represents the 78th District, which covers the townships of Lowell and Bowne, and the cities of Lowell and Alto in Kent County; the townships of Ronald, Keene, Easton, Ionia, Boston, Berlin, Orange, Portland, Campbell, Odessa, Sebewa and Danby, and the cities of Ionia, Saranac, Portland, Clarksville and Lake Odessa in Ionia County; the townships of Carlton, Woodland, Hastings, Castleton, Baltimore and Maple Grove, and the cities of Woodland, Hastings and Nashville in Barry County; and the townships of Sunfield, Roxand and Kalamo, and the cities of Sunfield and Mulliken in Eaton County.

Education Johnsen holds a bachelor's and master's degree in Economics from Wellesley College in Wellesley, MA.

Professional and personal background Johnsen was the director of the Michigan House of Prayer for 12 years. Gina owns a small insurance business and spent 17 years of her career with Otsuka Pharmaceuticals as a program manager.

She is active in grassroots politics and in her community, having worked with Sak Saum (Support for women recovering from Human Trafficking), Crosswalk Teen Center, Forgotten Man Ministries, Protect Life MI, Hannah's House (Home for young pregnant moms), and Shared Pregnancy Women's Center.