Michelle Wallig is an Executive Director in EY’s Tax Performance Advisory Practice. Michelle has a deep history implementing large finance transformation and data management solutions as well as experience in developing technological solutions for large multinational enterprises; using disruptive technologies in big data, analytics, robotics and cloud technologies. Michelle is a consulting and IT professional with three decades of experience focused on Data Science (Business Intelligence/Data Warehouse/Big Data) and SMAC. In addition, she has spoken at many conferences (including EY Domestic Tax Conference, American Accounting Assn, Xfest: Xbox Game Developers Conference; Women in Gaming International; Tech Ready 8). From 1999-2014, she was at Microsoft Corporation in the Tax and Audit IT, HR IT, Xbox 360, and Microsoft Consulting Services groups. She is the author of Building the Microsoft Data Warehouse, MS Press, 2003. She has been published in various magazines.