SAP S/4HANA is the biggest change for SAP in nearly 30 years. The whole data model has changed, especially in the area of finance.
![Patrick Dineen](https://blog.sap-press.com/hubfs/Patrick%20Dineen.jpg)
Patrick Dineen
Patrick Dineen is the Corporate CIO and Transformation Office Leader at the Nielsen Company. Patrick's extensive experience in sales management, products, M&A, and corporate finance transformation prepared him perfectly to lead Nielsen’s recent SAP S/4HANA journey. Before Nielsen, Pat held senior sales and marketing leadership roles at Quaero, CSG, USADATA, Claritas, and Equifax. A NYC native, Pat holds a Masters in Business Administration degree in Finance from NYU Stern School of Business and a Bachelor of Science degree in Industrial Engineering from Columbia University.
Blogs by Patrick Dineen
Three years ago, in advance of commencing a large-scale SAP S/4HANA transformation project, I talked to thirty CIOs to get their best practice advice.