Rob Ryan, the assistant head coach of the American Football team, Buffalo Bills, has a net worth estimated at $12 million. His career has seen him coaching various American Football teams and winning two Super Bowls with the New England Patriots. Rob Ryan was born in Ardmore, Oklahoma USA in 1962 and is well known for his impulsive and over-confident behavior, for which he often faces criticism. He is married to Kristin Ryan and the couple has two children. For more information on Rob Ryan, you can visit his Facebook page and Twitter.