Dallas—Epsilon will announce on Tuesday it has appointed Tim O’Leary as senior VP-technology solutions. In this role, O’Leary will help develop and coordinate integrated marketing program for clients. This marks a return to Epsilon for O’Leary. He began his career with the database marketing company as an analyst and programmer and spent almost 20 years there, becoming VP-sales and technical sales support before leaving in 1999. Most recently, O’Leary was CIO of Sports Loyalty Systems.