Alpha Kappa Alpha Sorority, Inc. Psi Theta Omega Chapter. Dear Community Partner: I am grateful for the privilege to serve as the President of Alpha Kappa Alpha Sorority, Inc., Psi Theta Omega Chapter and welcome you. Mcgraw Higher Education Jan 27, 2013. In 2010, McGraw-Hill Education purchased Tegrity, a software company with a product that lets colleges automate the process of recording campus lectures and streaming them back to students…