Harry Foster (Mountain View, CA) serves as Chairman of the Accellera Formal Verification Technical Committee, which is currently defining the PSL property specification language standard. He is co-author of the new Kluwer Academic Publishers book Assertion-Based Design. Prior to joining Jasper Design, Harry was Verplex Systems' Chief Architect. Douglas L. Perry (Mountain View, CA) is the Director of Verification IP for Jasper Design Automation, Inc. He is the author of four editions of McGraw-Hill's VHDL.