[6] Altabef remained president and CEO of the company under Dell's ownership, and stepped down in 2011 upon the full integration of new management.
At the end of that year, he was named the incoming president and CEO of Unisys, effective as of January 2015.
[9] In December 2016, he was appointed to serve on the President’s National Security Telecommunications Advisory Committee (NSTAC).
[12] This committee was tasked with developing a “whole-of-nation” cybersecurity plan for the U.S. with the goal of making the internet safe and secure for the delivery of government and critical infrastructure services by 2028.
[17] In November 2021, Peter and Jennifer received the J. Chrys Dougherty Good Apple Award from Texas Appleseed, a nonprofit organization.