Mr. Mackenzie was born in Houston, Texas. He is married to Gretchen Hartberg Mackenzie. They have two adult children: Katherine and Andrew.

Alfred is a board certified appellate lawyer and has represented clients in appellate matters in the Fifth Circuit Court of Appeals, the Texas Supreme Court, and the Texas Courts of Appeals. Alfred also has extensive experience briefing, arguing, and trying cases in federal and state trial courts throughout Texas, including civil litigation ranging from employment law, business disputes, fiduciary duty claims, and property conflicts.