Pat Sullivan is an American software engineer who co-created the contact manager ACT!
[citation needed] Pat Sullivan started Contact Software in Dallas, Texas in 1986.
With his friend Mike Muhney and two programmers, Randy Haben and John Maurer, the team developed the first commercial version of the contact manager ACT!
In 1995, Pat Sullivan founded the sales force automation company SalesLogix.
[citation needed] In 2005, Pat Sullivan launched Jigsaw Health and published the book Wellness piece by piece to help the 125 million Americans suffering from chronic health conditions.