Seeking to provide effective dispute resolution services, founding members of Great Lakes Mediation and Arbitration Services have over 135 combined years of legal experience in diverse areas of the law. Each member of the group is committed to achieving a just resolution of disputes in an effective and efficient manner.


Peter M. Handwork
Handwork Mediation Services, L.L.C.
Mediation ● Arbitration ● All Civil Disputes
c 419.349.6031
Peter M. Handwork is a 1966 graduate of the University of Toledo College of Law. He was engaged in private law practice and served as an Assistant U.S. Attorney for N.W. Ohio before being appointed as Judge of the Lucas County Common Pleas Court in 1977. In 1983 he was elected to the Sixth District Court of Appeals where he served until his retirement in 2013. He has served by assignment  on the Supreme Court of Ohio and was an Adjunct Professor of Paralegal Studies for 27 years at the University of Toledo.

Peter completed a course in Dispute Resolution Skills sponsored by the National Judicial College, and is a certified instructor of the American Academy of ADR Attorneys.


Donald M. Mewhort, Jr.
Mediation ● Arbitration ●Labor/Management & Employment Disputes
c 419.450.6811
Donald M. Mewhort, Jr. is a 1962 graduate of Duke University (AB, Accounting) and graduated from its law school in 1965. He regularly represented management in labor negotiations, arbitration and in a variety of matters involving workplace regulations. He has substantial experience representing employers and employees in the negotiation and enforcement of employment and non-compete agreements.

Don annually has been selected for inclusion in The Best Lawyers in America in the labor and employment law category since the inception of that publication in 1982.



J. Michael Vassar
Mediation ● Arbitration ● All Civil Disputes
c 419.241.9773
J. Michael Vassar received a B.A. degree from Ohio State University in 1963 and a law degree from the University of Toledo College of Law in 1967. He completed the Capital University School of Law Alternative Dispute Resolution certification training and has attended numerous seminars involving arbitration, mediation and settlement negotiations. Currently a  sole practitioner, he has been a partner in small, medium and large law firms over the years, most recently with Vassar, Dills, Dawson & Bonfiglio. His practice focused on litigation, representing both plaintiffs and defendants, including personal injury, employment law and commercial disputes. He was an adjunct professor at the University of Toledo teaching Business Law at the undergraduate level and Trial Practice at the law school. He continues as a long-term member of the ADR Committee of the Toledo Bar Association.