Joellen Koepnick Wood, 60, of Carrollton, Texas, passed away on Aug. 29, 3013, following a 13-year, hard-fought battle with cancer. Joellen was born on April 2, 1953 to Joseph and Patricia Koepnick in Dayton, Ohio. She attended Carroll High School in Dayton graduating in 1971 and graduated from the University of Texas at Arlington with a degree in Electrical and Computer Engineering. In the late '90s, she began utilizing her gift as a computer science teacher in Chattanooga at The Girls Preparatory School. After relocating to Dallas, Joellen continued her teaching career at the Episcopal School of Dallas.Joellen is survived by her husband, Tom Wood; her son, Greg Wood; her daughter, Elizabeth Wood; and her mother, Patricia Heimbuecher, all of whom were by her side when she passed.Memorial Service is scheduled for 11 a.m. Saturday, Oct. 19, at the chapel of the Chattanooga Funeral Home North, 5401 Highway 153, Hixson.Family will receive visitors following the service from noon until 2 p.m with a catered reception at Chattanooga Funeral Home, North Chapel.In lieu of flowers, donations to the Susan G. Komen for the Cure foundation are requested.Please share your thoughts and memories at www.chattanooganorthchapel.com.Arrangements are by the North Chapel of Chattanooga Funeral Home, Crematory & Florist, 5401 Highway 153, Hixson.