David Duncan is a senior consultant with I.B.I.S., Inc., a Microsoft Gold Certified Partner based in Peachtree Corners, GA. David, who holds several certifications for Microsoft Dynamics GP and SQL Server, is also the co-author of another Packt Publishing title, Microsoft Dynamics GP 2010 Reporting. In addition to experience with implementing Dynamics GP, he has extensive experience in designing and providing business intelligence and reporting tools for clients who use Dynamics GP and Microsoft SQL Server. David has also served as a content provider for the GP portion of the Sure Step 2010 Methodology.

He has developed custom SSAS cubes for several GP modules such as Project Accounting and Fixed Assets that seamlessly integrate with Microsoft's Analysis Cubes for Excel product. David's combined experience with Dynamics GP and Microsoft SQL Server has enabled him to assist numerous clients in analyzing their strategic business plans by designing business intelligence solutions that allow them to incorporate data from multiple applications into a single reporting environment.

David, who holds a degree from Clemson University, resides in Rocky Mount, N.C. with his wife, Mary Kathleen.

Jivtesh Singh is a Microsoft Dynamics GP MVP, and a Microsoft Dynamics Certified Technology Specialist for Dynamics GP. Through his blog, which is widely read in the Dynamics GP community, he covers Dynamics GP tips and tricks and news.

He is a Dynamics GP Consultant and Systems Implementer and has been associated with the Microsoft Technologies since the launch of Microsoft .NET framework. Jivtesh has over 10 years of experience in development and maintenance of enterprise software using coding best practices, refactoring and usage of design patterns, and Test Driven Development. Jivtesh recently built a Kinect interface to control the Microsoft Dynamics GP 2010 R2 Business Analyzer with gestures. Later, he built a part of the GP Future demo for Convergence GP Keynote.

Jivtesh has set up a custom search engine directory for Dynamics GP Blog at www.gpwindow.com to help with easier access of Dynamics GP resources for the GP Community. With MVP Mark Polino he has also set up a Dynamics GP product directory at www.dynamicsgpproducts.com. Here are his blogs and website: