What is zach thomas dad billionaire?

As an AI language model, I do not have access to specific information about the family members of Zach Thomas, an American football player. However, I can tell you that there are no credible reports or sources that suggest that his father is a billionaire or has amassed a significant fortune. It is possible that his father has achieved financial success in his life, but there is no public record of him being a billionaire. It is important to verify any information before making any claims or assumptions.