During his 20 years at IBM, Lev Mirlas, Licensed Professional Engineer, pioneered the development of multiple commerce sites on a single platform. Mr. Mirlas architected the introduction of multisite business patterns, as well as the B2B and B2C business model patterns in IBM WebSphere Commerce product. In his work, he has accumulated much valuable real-life experience with companies struggling to create multiple sites; this experience serves as the basis of this book. He has obtained numerous patents for inventions in the fields of electronic commerce and trusted computing. Mr. Mirlas obtained his master’s degree in engineering from the University of Toronto in 1995.