There are a few programs out there but Mark has one of the best pre-SEAL training programs in the country, period. All the candidates I know of that have passed his program and successfully gone to BUD/S have passed. Enough said.
His SEALFIT Unbeatable mind program is an excellent resource for anyone that wants to increase their mental toughness in life.
Learn the Secrets of Developing Mental Toughness and Becoming Unbeatable in Life