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DecisionPath is proud to be affiliated with The Data Warehousing Institute (TDWI), the premier membership association of IT professionals in the data warehousing and business intelligence industry. DecisionPath consultants help develop new course content for TDWI and regularly teach at TDWI world conferences, seminars, and on-sites education events. Our involvement with TDWI and our fellow instructors keeps us at the leading edge of the BI industry allowing us to bring our customers best practices, practical advice and proven methods for BI/DW design, delivery and operation.
- Nancy Williams is a consultant and educator known for her blend of full lifecycle data warehousing experience and her ability to teach. Nancy is certified by TDWI to teach a number of TDWI-owned courses.
- Dr. James Thomann is one of a select group of TDWI Fellows, a recognition of his contribution to the advancement of data warehousing through teaching and through development of TDWI teaching materials. Jim is certified by TDWI to teach all of the TDWI-owned courses.
- Paul Sheets is a principal consultant who is certified by TDWI to teach a number of TDWI-owned courses.
 Nancy Williams – V.P. of Business Intelligence and Data Warehousing
Experience: 17 years
Education: MBA General Management, University of Virginia; B.S. Education, University of Virginia
Expertise: Information strategy, data warehousing, business intelligence, information requirements, data warehouse architecture, data modeling & design, ETL strategy, data quality, Federal government
TDWI Classes: Data Warehousing; Data Modeling; Architecture
Nancy is a leading authority on data warehousing and business intelligence. She is a panelist for DM Review Magazine's Ask the Experts, an on-line service at DMReview.com that allows business intelligence and data warehousing professionals to ask questions of industry leaders. Nancy is also a regular speaker at industry events.
 Jim Thomann – Principal Consultant
Experience: 30 years
Education: Ph.D. Education, University of Massachusetts
Expertise: Business process analysis, organizational readiness, packaged software selection, data warehousing, business intelligence, information requirements, data warehouse architecture, data modeling
TDWI Fellow: Instructor for All TDWI Courses
Jim is a leading authority on data warehousing and business intelligence, and is one of only three TDWI Fellows. He is a guest lecturer at leading universities and has published articles on data warehousing, data modeling, IT methodologies, object oriented design, and organizational change. Jim is also co-author, with Ed Yourdon et al. of Mainstream Objects: An Analysis and Design Approach for Business.
 Paul Sheets – Principal Consultant
Experience: 19 years
Education: MS in Software Systems Engineering, George Mason University; BS in Information Systems Management, University of Maryland.
Expertise: Project management; architecture, design and implementation of multi-terabyte data warehouses; BI/DW tool and technology selection; software engineering.
TDWI Courses: Data Warehousing Concepts and Principles, BI Fundamentals, Data Warehousing Architectures, Data Modeling, Data Integration Techniques
Paul has successfully managed and implemented both OLTP and OLAP applications for clients such as The MITRE Corporation, the Internal Revenue Service, the General Services Administration, as well as for international clients such as the Republic of Turkey’s Ministry of Finance. He was honored by The Data Warehousing Institute with its 1999 “Best Practice for ETL” award for an application he designed and implemented for the IRS.
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