McDearman began his banking career with Bank of America as a management associate, loan officer and office manager, working in Nashville, Clarksville and Chattanooga before returning home to Lebanon to join Wilson Bank & Trust in 1998.  He is an alumnus of Lebanon High School, Tennessee Tech and the Graduate School of Banking at LSU.

McDearman has been active in the community throughout his career. He has served as president of the Lebanon Wilson County Chamber of Commerce and the Lebanon Noon Rotary Club; as a board member and chairman for United Way of Wilson County; as treasurer for Cumberland Region Tomorrow and Lebanon Youth Baseball; and as a member and former chairman of the Staff Parrish Relations Committee at Lebanon First United Methodist Church. He has helped promote economic growth and planning through service with the Joint Economic & Community Development Board of Wilson County, the AIA 150 Visioning Workshop for Lebanon, the Power of One leadership committee and Cumberland Region Tomorrow’s annual Regional Summit committee. A Leadership Wilson graduate, he has also contributed time and volunteer work to benefit organizations like Empower Me Day Camp, Kids Battle Diabetes, Relay for Life and Boy Scouts of America.

McDearman and his wife Kathy live in Lebanon and have four children, J.C., Eli, Mark and Mia.