Matthew T GriffinMatthew T. Griffin is a senior consultant at Kaiser Permanente (KP). He works in KP's Market Research department analyzing large quantities of web-related data and investigating the ways in which KP members use digital tools to manag their health. Griffin has been using Excel (and before that Lotus 1-2-3) for nearly 30 years. He has honed his expertise and passion for Excel while working in the healthcare, banking, and retail industries. He has provided Excel support and training to hundreds of colleagues over the years. Griffin has a B.S. in Business Administration with a concentration in information systems from San Francisco State University. Read More Read Less