FREMONT, Calif.--(BUSINESS WIRE)--TELADATA, a leading consulting firm with vast expertise in design, planning and project management for converging technologies, announced today that former professional actor (Film, TV, Broadway), writer (Mashable, The Guardian, Slate), and strategic marketing consultant, John C. Havens will deliver the keynote address for its 2015 Technology Convergence Conference (TCC), which takes place on February 26, 2015 in Santa Clara, California. The conference keynote,