In May 2010, Dominion acquired Premier Election Solutions (formerly Diebold Election Systems) from Election Systems & Software (ES&S). ES&S had just acquired PES from Diebold and was required to sell off PES by the United States Department of Justice for anti-trust concerns. In June 2010, Dominion acquired Sequoia Voting Systems.
Poulos, President and CEO of Dominion, has a BS in electrical engineering from the University of Toronto and an MBA from INSEAD. Hoover, Vice President, has an MS in mechanical engineering from the University of Alberta.