He graduated from MSU in 1970 with a degree in Banking & Finance. He began his career in Hattiesburg at First National Mississippi Bank and after many successful years in the banking industry, he retired in July, 2011 from BancorpSouth as Vice Chairman & Chief Credit Officer.
Gregg was involved in various industry and civic organizations. He was passionate about golf, the Hattiesburg Country Club, his church and MSU.
He was preceded in death by his parents and brother, Robert (Bob) Cowsert.
Gregg is survived by his wife of 34 years, Rosemary B. Cowsert; daughter Jennifer (Mark) Jannetty; granddaughters Lauren and Emily Jannetty; sister-in-law Cynthia (Bill) Winborn; brother-in-law Ken Bilbo; nieces Mary Marjorie (John) Livingston; Lisa McDonald (Nelson) Breaux; Erin (Wes) Malone; nephews Rob (Stacey) Cowsert; Matt (Amber) McDonald.
Visitation will be held from 9:30 a.m. until 11:00 a.m. at Main Street First United Methodist Church on Friday, July 7, 2017 with a memorial service to follow at 11:00 a.m.
In Lieu of flowers, donations may be made to the American Cancer Society and Mississippi State University.