​Rabbi Diamond has been a Rabbi at The Temple since 1963. He was graduated from Brooklyn College in 1957 with a Bachelor of Science degree and a commission in the U.S. Air Force. In 1960 he earned his Bachelor of Hebrew Literature degree from the Hebrew Union College-Jewish Institute of Religion in New York and his teaching certificate from the College-Institute School of Religious Education and the New York Federation of Reform Synagogues. He was ordained in 1963 after receiving his Master of Arts in Hebrew Literature with honors. Having graduated first in his class, he was awarded a fellowship at the College-Institute in Cincinnati where he was a Graduate Fellow from 1963-1966.
 
Rabbi Diamond has served on the executive boards of many communal organizations, including The Louisville Board of Rabbis and Cantors, Jewish Hospital, Jewish Community Federation, the Boy Scouts of America--Old Kentucky Home Council, National Conference of Christians and Jews--Louisville Chapter, American Jewish Committee, Council on Peacemaking, Senior House, Jefferson Alcohol and Drug Abuse Center, Louisville Free Public Library Foundation, Apple Patch Community for Mentally Handicapped Adults, and the Louisville and Jefferson County Youth Orchestra. He served on the Character Education Advisory Council for the Kentucky Department of Education as well as the Citizens for Better Judges. In addition, for the past several years he was a volunteer tutor in the reading program at Dunn Elementary School.

Rabbi Diamond was the first Rabbi to serve on the Board of the Office of Ecumenism of the Louisville Archdiocese. In 1999 he was recognized by Interfaith Paths to Peace for his work in promoting interfaith understanding and in 2001 was the recipient of the Lifetime Achievement Award by the Cathedral Heritage Foundation. His civic activities have also included participation on advisory committees for Metro United Way, Jewish and Humana Hospitals, Louisville United Against Hunger, and WKPC-TV, Channel 15.

Rabbi Diamond helped to develop a Hillel Counsellorship at the University of Louisville and was its first counselor. He is past president of the Louisville Board of Rabbis and one of its founding members. He has been an adjunct Professor of Religion at the Louisville Presbyterian Theological Seminary for many years and was a visiting lecturer in Hebrew Scriptures at Bellarmine College. Rabbi Diamond is a graduate of Leadership Louisville Class of 1985.  For 40 years he was a member of the Louisville Rotary Club and also has the distinction of being the first Rabbi to serve as Chaplain of the Louisville Jaycees. In 1988, in recognition of his years of spiritual leadership at The Temple where he has served since his Ordination, Rabbi Diamond was awarded the Degree of Doctor of Divinity, honoris causa, by the Hebrew Union College - Jewish Institute of Religion. In 2001 upon his becoming Rabbi Emeritus he was recognized by Governor Paul E. Patton of the Commonwealth of Kentucky with a special award for his many years of leadership to his congregation and the community.
 
Rabbi Diamond and his wife Fran, have six children, nine grandchildren and three great grandchildren.