Oklak served as chief executive officer of Duke Realty Corporation from April 2004 until his retirement in December 2015. Duke Realty, a publicly traded real estate investment trust (REIT), is one of the largest owners and developers of commercial property in the United States. Prior to becoming CEO, he served as president and chief operating officer.
Oklak joined Duke Realty in 1986 and served in various roles throughout the company, including executive vice president, chief administrative officer, vice president and treasurer. He served on the Central Indiana Corporate Partnership (CICP) board for 13 years and has served as the organization’s chairman and sat on its executive committee.