Mark B. Knowles is an attorney at Condon Tobin Sladek Sparks Nerenberg PLLC and helps clients address Banking legal issues. He also assists clients regarding Business / Corporate and Energy & Natural Resources issues.Super Lawyers is a designation of top-rated practicing attorneys selected through extensive evaluation. He was awarded this distinction for 2011 - 2014, 2017 - 2025.Mark Knowles graduated in 1981 from The University of Kansas School of Law.Mark Knowles was admitted to practice law in 1984. He represents clients in the Dallas area.