Delta Tau Delta welcomed 27 founding fathers of Gamma Sigma Chapter at the University of Pittsburgh on Dec. 4, 2021.

International President Bruce Peterson (University of Wisconsin-Milwaukee, 1975), International Vice President Anthony Albanese (American University, 1996) and Eastern Division President Ross Theriault (University of Maine, 2008) joined Division Vice Presidents Evan Finkelstein (Carnegie Mellon University, 2010) and Tim Poellman (University of Wisconsin-Madison, 2013) Gamma Sigma Chapter Advisor Greg Lucsko (John Carroll University, 2008) and Kappa Theta Chapter Advisor Anthony Sansone (University of Iowa, 2016) for the installation. Delta Tau Delta CEO Jack Kreman (University of Nebraska at Kearney, 2004) and Chapter Support Coordinator Justin Vatti (Moravian University, 2020) attended on behalf of the Central Office.
Delta Beta Chapter from Carnegie Mellon University performed the Rite of Iris and Zeta Mu Chapter from Robert Morris University performed the Ritual welcoming the founding fathers to the Fraternity. More than 2,075 men have been initiated in Gamma Sigma since its original chartering in November 1864.