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Circuit Mediators

Paul B. Calico is a graduate of the University of Kentucky College of Law, where he was a member of the Kentucky Law Journal and the Order of the Coif. Prior to becoming Chief Circuit Mediator, he practiced law for over 25 years, with an emphasis on litigation in the areas of Employment Law, Commercial Litigation, Construction Law, and Administrative Law. As a private mediator and arbitrator for 12 years, he handled numerous cases in a variety of legal areas. He frequently speaks at Continuing Legal Education seminars and has served as an adjunct professor. To contact Paul Calico send an email to

Rod M. McFaull is a graduate of Loyola University Law School of New Orleans. He has served as a Circuit Mediator since 1992. Prior to joining the Sixth Circuit he practiced Maritime Law in New Orleans for over 10 years. To contact Rod McFaull send an email to

Bob Kaiser is a graduate of the University of Cincinnati College of Law and joined the Sixth Circuit Mediation Office in 2014. Prior to that he mediated more than 950 cases both as a private mediator and as the District Mediator for the U.S. District Court, S.D. of Ohio. Before devoting his full-time efforts to mediation, Bob practiced law for 20 years, litigating and trying a wide variety of cases. To contact Bob Kaiser send an email to

Kathryn Wollenburg received her Juris Doctor from Capital University Law School in Columbus where she was a member of Law Review and earned a concentration in Alternative Dispute Resolution.  Prior to joining the Sixth Circuit Mediation Office in 2018, Kate served for 12 years as Mediation Director and Staff Counsel for the General Division Common Pleas Court in Union County, Ohio, mediating over 200 cases annually. In support of her passion for the practice of mediation, she served as an appointed Executive Board Member and Newsletter Editor for the Ohio Mediation Association from 2011-2016. To contact Kathryn Wollenburg send an email to