The couple will exchange wedding vows in a 7 p.m. ceremony at St. Petersburg Beach, Fla., on June 4.
The bride-elect is the granddaughter of the late Albert and Nina Geren and the late Roy and Imogene Matthews. She is the sister of Gina Miller of Chattanooga.
Miss Geren is a graduate of both the University of Tennessee at Chattanooga and Tennessee Technological University.
Mr. McCulley is the grandson of J.W. and Betty Roberts of Knoxville and the late A.G. and Lorraine McCulley.
He is a graduate of Emory and Henry College and the University of Tennessee at Knoxville.
Both are employed by the Hamilton County Department of Education.