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DecisionOne Consulting

Established in 1999, DecisionOne is a data and information design consultancy. We help organisations design and develop agile business intelligence solutions using collaborative modeling techniques. We’ve run hundreds of highly regarded data warehousing and dimensional modeling courses worldwide over the last 16 years. All our courses are designed and taught by Lawrence Corr. 

Lawrence Corr 

Lawrence Corr is a leading data warehouse design specialist and former Kimball University instructor with over 20 years’ experience in business intelligence. Lawrence has worked on DW/BI projects in Europe, USA, Middle East and Africa developing and reviewing data warehouses within healthcare, telecoms, broadcasting, higher education, financial services and retail. He is the author of Agile Data Warehouse Design: Collaborative Dimensional Modeling, from Whiteboard to Star Schema, an Amazon #1 bestseller in data warehousing and database design. He has taught thousands of BI professionals worldwide.


Bookings or Questions? If you have any questions about our courses or would like to book by phone please call on + 44 (0)7971 964794 or visit us at: