Mark Himelstein has been managing software organizations since 1984. He has led both small and large organizations in startups and Fortune 500™ companies. Mark’s experience running the worldwide Solaris™ engineering group at Sun Microsystems, Inc. helped solidify some of the concepts found in this book. He also draws from experience running his own companies. Mark is currently the President and CEO of Heavenstone, Inc. a software development and management consulting firm (www.heavenstone.us). Mark earned a Bachelor of Science in both Computer Science and Mathematics and a Master’s in Computing Science. Mark holds four patents and has published a number of technical papers.