Stephen Bullen lives in Woodford Green, London, England, with his partner Clare, daughter Becky, and their dogs, Fluffy and Charlie. He has two other daughters, Jane and Katie, from his first marriage.
A graduate of Oxford University, Stephen has an MA in Engineering, Economics, and Management, providing a unique blend of both business and technical skills. He has been providing Excel consulting and application development services since 1994, originally as an employee of Price Waterhouse Management Consultants and later as an independent consultant trading under the names of Business Modelling Solutions Limited and Office Automation Limited. Stephen now works for Barclays Capital in London, developing trading systems for complex exotic derivative products.
The Office Automation web site, www.oaltd.co.uk, provides a number of helpful and interesting utilities, examples, tips and techniques to help in your use of Excel and development of Excel applications.
As well as co-authoring previous editions of the Excel VBA Programmer’s Reference, Stephen co-authored Professional Excel Development.
In addition to his consulting and writing assignments, Stephen actively supports the Excel user community in Microsoft’s peer-to-peer support newsgroups and the Daily Dose of Excel blog. In recognition of his knowledge, skills and contributions, Microsoft has awarded him the title of Most Valuable Professional each year since 1996.
Stephen Bullen contributed Chapters 14, 18, 24–27, and Appendix B to this book.

Rob Bovey is president of Application Professionals, a software development company specializing in Microsoft Office, Visual Basic, and SQL Server applications. He brings many years’ experience creating financial, accounting, and executive information systems for corporate users to Application Professionals. You can visit the Application Professionals web site at www.appspro.com.
Rob developed several add-ins shipped by Microsoft for Microsoft Excel and co-authored the Microsoft Excel 97 Developers Kit and Professional Excel Development. He earned his Bachelor of Science degree from The Rochester Institute of Technology and his MBA from the University of North Carolina at Chapel Hill. He is a Microsoft Certified Systems Engineer (MCSE) and a Microsoft Certified Solution Developer (MCSD). Microsoft has awarded him the title of Most Valuable Professional each year since 1995.
Rob Bovey contributed Chapters 20–22 to this book.

Michael Alexander is a Microsoft Certified Application Developer (MCAD) with more than 14 years’ experience consulting and developing office solutions. He parlayed his experience with VBA and VB into a successful consulting practice in the private sector, developing middleware and reporting solutions for a wide variety of industries. He currently lives in Frisco, Texas, where he serves as a Senior Program Manager for a top technology firm. Michael is the author of several books on Microsoft Access and Excel, and is the principle behind DataPig Technologies, where he shares Access and Excel knowledge with the Office community.
Michael Alexander contributed Chapters 12 and 23 and Appendices A and C to this book.

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