BusinessEconomy Former U.S. Secretary of Interior Ryan Zinke to Enhance U.S.-Africa Relations at African Energy Week in Cape Town by Adewale Adenrele on August 2, 2021 The African Energy Chamber (AEC) (www.EnergyChamber.org) is proud to announce that Ryan Zinke, former U.S. Secretary of Interior under former President Donald Trump, has confirmed his attendance and participation at read more