CLAYTON M. CHRISTENSEN is the Kim B. Clark Professor at Harvard Business School, the author of seven books, a five-time recipient of the McKinsey Award for Harvard Business Review's best article, and the cofounder of four companies, including the innovation consulting firm Innosight. In 2011 he was named the world's most influential business thinker in a biennial ranking conducted by Thinkers50.

Narrator L.J. Ganser has performed voiceovers for over 100 radio and TV commercials and has appeared in episodes of The Guiding Light, As the World Turns, and Another World. He is also active on stage, appearing in many New York and regional theater productions including Pump Boys and Dinettes, Arsenic and Old Lace, and Cloud 9.