Chunka is a writer and consultant on business issues at the intersection of strategy and technology. He is also a Fellow at DiamondCluster International, and chairs the firm's Diamond Fellows advisory group. Mr. Mui is perhaps best known as the co-author of the best selling "Unleashing the Killer App", which the New York Times called a "practical and persuasive guide" to the dramatic changes being wrought by technology. Mr. Mui has held several positions from which he has advised numerous organizations on business strategy and technology issues. These posts include managing partner and chief innovation officer at DiamondCluster International, executive editor of Context Magazine, and vice president and director of the Vanguard emerging technology research program at Computer Sciences Corporation.