DOJ Tax Alum Grady Jolly will retire as a judge on the Fifth Circuit Court of Appeals. See Bracey Harris and Geoff Pender, Trump to appoint new Mississippi judge (The Clarion0Ledger 3/10/17), here. The article indicates that after serving as an AUSA, he was a lawyer in the Tax Division from 1967 to 1969 when he entered private practice.
His Wikipedia entry is here.