According to this Politico article:
Amtrak CEO Wick Moorman is stepping down at the end of the year, and will be replaced by former Delta CEO Richard Anderson, according to knowledgeable sources and confirmed Monday by Amtrak.
The two men will serve as co-CEOs until the end of December.
Anderson, a 62-year-old former prosecutor from Texas, rose through the ranks of the airline industry to become CEO of Delta in 2007, just as it was leaving bankruptcy. He has a reputation as an iconoclast within the airline industry and is credited with transforming the airline into one of the world's most profitable.