On September 28, 2018, Southwest Iowa Renewable Energy, LLC announced the retirement of its General Manager, President, and Chief Executive Officer, Brian T. Cahill. Mr. Cahill will remain in his role with the company until his retirement on October 21, 2018. On September 28, 2018, the Company also announced the appointment of Michael D. Jerke, 51, as General Manager, President and Chief Executive Officer of the Company.

Since June 2016 Mr. Jerke has been CEO and General Manager for Corn Plus, an ethanol production facility and Minnesota's first ethanol plant. As CEO and General Manager he created an approach to bring the team and operations into a competitive position to assist with the turnaround of Corn Plus. From April 2014 through April 2016, Mr. Jerke was Chief Executive Officer of Guardian Energy Management.