Brian Casselman is a lead technical architect and principal consultant for the advanced infrastructure practice at 3t Systems, a Citrix Platinum Partner.
Tim Reeser is a partner at 3t Systems. He is coauthor of the first two editions of this book.
Steve Kaplan is president of AccessFlow and also runs By The Bell, an enterprise access ROI consulting firm. He is coauthor of the first two editions of this book.