Greene's middle name is the same as his mother's maiden name. He is the second of five sons of Cathy Castleman Greene and Thomas Alan "Tom" Greene (born 1948), a veterinarian and a former [[Democratic Party|Democrat]]-turned-Republican member of the Louisiana State Senate. Tom Greene gave up his Senate seat to run unsuccessfully for governor of Louisiana in 1999 against Republican [[Mike Foster]], who was elected to his second term. Dr. Greene and his brothers were reared in Maringouin, a small town in Iberville Parish near Baton Rouge. Greene received his undergraduate degree from [[Louisiana State University]] and played on The Tigers [[football]] team. He obtained his medical degree from the LSU Health Science Center in [[New Orleans]] and did his residency at Scott and White Hospital in Temple, [[Texas]].<ref name=aboutcraig/> | Greene's middle name is the same as his mother's maiden name. He is the second of five sons of Cathy Castleman Greene and Thomas Alan "Tom" Greene (born 1948), a veterinarian and a former [[Democratic Party|Democrat]]-turned-Republican member of the Louisiana State Senate. Tom Greene gave up his Senate seat to run unsuccessfully for governor of Louisiana in 1999 against Republican [[Mike Foster]], who was elected to his second term. Dr. Greene and his brothers were reared in Maringouin, a small town in Iberville Parish near Baton Rouge. Greene received his undergraduate degree from [[Louisiana State University]] and played on The Tigers [[football]] team. He obtained his medical degree from the LSU Health Science Center in [[New Orleans]] and did his residency at Scott and White Hospital in Temple, [[Texas]].<ref name=aboutcraig/> |