Katherine Ann Melzer née Porter grew up in Belleville and is a life-long resident of the St. Louis metro area. She graduated cum laude from McKendree University in 2010 and attended Southern Illinois University School of Law, graduating in May of 2013. In October of 2013, Katherine was admitted to practice law in the State of Illinois. Following licensure, Katherine has been admitted to practice in the Southern District of Illinois, Eastern District of Missouri, and Seventh Circuit Court of Appeals.

Prior to joining Becker, Hoerner & Ysursa, P.C., Katherine obtained her 711 license and worked in the St. Clair County State’s Attorney’s Office presenting negotiated guilty pleas, conducting criminal discovery, and assisting in grand jury presentations. After admission to the bar, Katherine became a certified mediator and, while employed with a non-profit mediation firm, helped establish and coordinate the St. Clair County Foreclosure Mediation Program, which partnered with attorneys, financials lenders, and homeowners to reach resolutions in foreclosure cases and help homeowners remain in their homes.

Katherine joined Becker, Hoerner & Ysursa, P.C. in December of 2014 and focuses her time on defending municipal civil rights litigation and local government practice. When not at work, Katherine loves spending time with her husband and family, hiking, watching movies, and knitting.

Bar Admissions

  • State of Illinois, 2013
  • U.S. District Court – Southern District of Illinois, 2014


  • Southern Illinois University School of Law
    • J.D. 2013
  • McKendree University, Lebanon IL
    • B.A. – 2010

Professional Association Memberships

  • Illinois State Bar Association, Member
  • St. Clair County Bar Association, Member
  • E. St. Louis Bar Association, Member