Brock In Role: Digital game development and technology studio Super Mackerel co-founder and Exec. Dir./Product & Operations Stefan Brock has joined Alpha in the newly created position of Corp. VP/Interactive. He'll oversee digital strategy, initiatives and the corporate digital team. "Stefan's experience, intelligence and customer focus was a perfect fit for our live and local strategy, and also the continued evolution of our interactive choices for listeners and customers," says CEO/President Bob Proffitt. Adds Brock, "This is an exciting time for digital radio and the senior leadership at Alpha Media USA understands the need for not only a sound presence therein, but that success is also derived from pushing the technology to new limits."