He received a B.A. in Philosophy from the State University of New York at Buffalo in 1969, and a J.D. from St. John's University School of Law in 1978. He has worked for MHLS since 1982. Kim co-authored (with Dennis Feld) a two-part series entitled "IOC [involuntary outpatient commitment] in NY: What Price Refusal," which appeared in two issues of the NARPA Rights Tenet. He is an avid hiker and nature enthusiast.