Ian Dale Mackey is a Democratic member of the Missouri House of Representatives, representing District 99 in St. Louis County, including communities such as Clayton, Ladue, Olivette, and Warson Woods. He assumed office for this district on January 4, 2023, after redistricting, and previously represented District 87 from 2018 to 2023. Mackey is openly gay, married to Stephen Eisele, and serves as a practicing attorney with experience in civil and criminal litigation. Notable achievements include a viral April 2022 floor speech opposing a bill to ban transgender students from youth sports, bipartisan work to pass laws requiring schools to report student seclusions and restraints, and sponsoring a 2021 red flag law bill aimed at preventing firearm-related harm.

Education and Political Experience

• Education: Graduated from Skyline High School in Hickory County, Missouri; B.A. in Early Childhood Education from Westminster College in Fulton, Missouri; J.D. from Suffolk University Law School . He is a former teacher.
• Political Experience: Elected to Missouri House District 87 in 2018 , reelected unopposed in 2020 , and elected to District 99 in 2022 . Incumbent through January 6, 2027. Focuses on social justice, education reporting, and gun safety legislation.