Mary Poppendieck has led teams implementing solutions in everything from enterprise supply-chain management to digital media. Tom Poppendieck has been an enterprise analyst, architect, and agile process mentor. Their company, Poppendieck LLC, specializes in bringing lean techniques to product development. The Poppendiecks are the authors of Lean Software Development, winner of the 2004 Jolt Software Development Productivity Award; Implementing Lean Software Development; and Leading Lean Software Development (all from Addison-Wesley).