MARINA DEL REY, Calif.--(BUSINESS WIRE)--Guidance invites retailers to attend the “Sparking Curiosity & Lasting Connections through Personalization: A Great Courses Case Study” breakout session at the 2015 Magento Imagine eCommerce Worldwide Conference. The conference will take place in Las Vegas from April 20-22, 2015. This session will feature Jon Provisor, Guidance CIO, and Kevin LeFew, SVP, Technology Services of The Great Courses, the leading global media brand for lifelong learning an