He grew up in the town of Dunedin, Florida where he graduated high school at Dunedin High. He then moved to Yorba Linda, California where he attended college at Orange Coast College. Shannon then relocated to the Auburn area where he transferred to Southern Union Community College and then later transferred to Auburn University where he graduated with a Building Science Degree. He was a highly valued employee at Donald H. Allen Development for 28 years and built many buildings throughout the Auburn and Opelika area. He was a devoted husband, father, brother, son, and grandfather. He was a loyal friend, a father to many and a perfectionist at everything he did. He loved going on cruises and being at as manyAuburn Football games as possible.

Shannon worked his way through school as an employee of Donald H. Allen Development, Inc. Beginning as a laborer, Shannon's love for woodworking inspired him to become a highly skilled finish and form carpenter. Shannon became a project superintendent at Donald Allen Development in 1996, and then in 2007, he took on the position of estimator. Shannon's dedication to quality and performance, as well as his attention to detail, made him an outstanding estimator and superintendent.