Klein is past President of Southern California Mediation
and past Chair of its EEOC and Professional Development committee.
He maintains membership in Dispute Resolution Services Associates
the Los Angeles
County Bar Association, Santa Monica Bar Association and Illinois
Bar Association. He serves on the mediation panels for Judicate
the United States Postal Services EEO Redress program, the
NASD mediation and arbitration programs, LA Superior Court Probate
and mediation panels for the EEOC, the DFEH and
the California Department of Insurance.