As the 19th Benzinga Cannabis Capital Conference returns to Chicago (Oct. 8-9), gathering top CEOs, investors and leaders in the marijuana industry, let’s scroll through the latest leadership changes in the space. (Get your tickets now before the prices go up by following this link.) Slightly over a year following Gov. Dan McKee’s decision to appoint three experts to the Cannabis Control Commission with a task to regulate, license and control the medical and recreational cannabis markets in Rhode Island, the agency is about to get a leader. One of Oklahoma’s top cannabis regulators Michelle Re…