Chris Callahan ’97 – named CEO of Sayers Posted on May 5, 2015May 5, 2015 by Alpha Tau Omega - Gamma Zeta Chapter Chris Callahan ’97 named CEO of Sayers. Congrats Chris!! http://www.prnewswire.com/news-releases/sayers-announces-recapitalization-led-by-virgo-capital-300076858.html Posted in ATO Alumni News, Congrats.