Jim Ledin is the CEO of Ledin Engineering, Inc. Jim is an expert in embedded software and hardware design, development, and testing. He is also accomplished in embedded system cybersecurity assessment and penetration testing. He has a B.S. degree in aerospace engineering from Iowa State University and an M.S. degree in electrical and computer engineering from Georgia Institute of Technology. Jim is a registered professional electrical engineer in California, a Certified Information System Security Professional (CISSP), a Certified Ethical Hacker (CEH), and a Certified Penetration Tester (CPT). Jim is the author of books on system simulation, embedded systems, and computer architecture. The most recent is "Modern Computer Architecture and Organization."