Where: Unica Corp., Waltham, Mass.
Why: Lee co-founded Unica in 1992; the company now serves more than 600 global customers with its enterprise marketing management product suite. Lee serves on the Direct Marketing Association's board, and is co-author of "Solving Data Mining Problems Through Pattern Recognition." Unica was named to the Deloitte Fast 50 and Fast500 for the seventh year. Unica has also been listed on the Forbes Midas List of 25 fastest-growing technology companies.