He founded Com Squared Systems, Inc. in 1980, one of the first companies to develop software for storing computer data and images on optical disk. This technology was sold to customers to automate back office processes. As a result of the significant market potential, Com Squared was acquired in 1994.
Looking for a new challenge, Halleen subsequently founded API Outsourcing, Inc. in 1998. Since then, API has grown to become a leading outsourcing provider of information processes through a combination of technology and labor arbitrage for document management, billing and accounts payable for Middle Market and Fortune 1000 firms.
Halleen received a bachelor's degree in Electrical Engineering from the University of Nebraska.