Graeme Simsion is a former IT consultant and the author of two nonfiction books on database design. As a Ph.D. candidate at the University of Melbourne, he conducted the largest published study of data modeling practitioners in attempt to answer this question: Is data modeling better characterized as description or design? His thesis, Data Modeling: Description or Design, was published in 2006. He won the 2012 Victorian Premier's Unpublished Manuscript Award for his book, The Rosie Project, which was published in 2013. The screenplay for this book has been optioned to Sony Pictures Entertainment.
Graham C. Witt is an independent consultant with over 30 years of experience in assisting enterprises to acquire relevant and effective IT solutions. His clients include major banks and other financial institutions; businesses in the insurance, utilities, transport and telecommunications sectors; and a wide variety of government agencies. A former guest lecturer on Database Systems at University of Melbourne, he is a frequent presenter at international data management conferences.