About Us Michigan divorce mediator. Getting divorced? Need help revising a parenting time schedule? Need to resolve a post-divorce dispute? Rizer Mediation can save you time and money by helping settle your dispute outside of court. Theresa Rizer is dedicated to making a difference by helping couples separate their lives without the high financial and emotional costs of divorce. Theresa also offers the convenience of traveling to you to conduct mediation sessions to further save you time and money.