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Ahmad Hashem

Ahmad Hashem, MD, PhD global healthcare industry manager for Microsoft.

Steve Johnson has written more than twenty books on a variety of computer software, including Microsoft Office XP, Microsoft Windows XP, and Microsoft Office Excel 2003. In 1991, after working for Apple Computer and Microsoft, Steve founded Perspection, Inc. Perspection, Inc. is committed to providing information and training to help people use software more effectively. Since 1991, they have written more than 60 computer books, and sold more than 4.5 million books.