Lee Krasnow is widely regarded by puzzle collectors as one of the worlds best designers and craftsmen of interlocking geometric puzzles and secret opening boxes. A self-taught artist, inventor and entrepreneur, he has been designing and manufacturing puzzles under the Pacific Puzzleworks brand name since 2001. Several of his original puzzle designs have received prominent awards in international design competitions, and he has given lecture on a variety of puzzle-related topics at forums including mathematicians conventions, puzzle collectors conventions, woodworking clubs, inventors clubs, the Exploratorium, and the Maker Faire. He has worked professionally as a CNC Machinist at Diamond Tool & Die in Oakland, and has been Artist in Residence at the Autodesk Pier 9 Workshop in San Francisco, California. His puzzles have been on display in art galleries and museums, featured in books, and used as props on TV.