ATO Dads’ Day Casino Night Winners Announced Posted on November 22, 2015November 22, 2015 by Alpha Tau Omega - Gamma Zeta Chapter Check out the winners from last Saturday’s ATO Gamma Zeta Dad’s Day Casino Night to benefit Feed My Starving Children. Thanks again to all of the donors! Spread the love. Share this post! Posted in ATO Undergrad News, Community Service.