Donna Dillenberger is an IBM Fellow at IBM's Watson Research Center. She has redesigned many enterprise applications for greater scalability and availability.  She has worked on analytic models for financial, insurance, retail and healthcare industries. In 2005, she became IBM's Chief Technology Officer of IT Optimization. In 2006, she became an Adjunct Professor at Columbia University's Graduate School of Engineering. She is a Master Inventor and is currently working on cognitive analytics and blockchain.