Jeffrey A. Shaffer is the Stern Professor of Practice at the University of Cincinnati and the Vice President of Information Technology and Analytics at Recovery Decision Science and Unifund. While Adjunct Professor at the University of Cincinnati, he was awarded the 2021 and 2016 Outstanding Adjunct Professor of the Year.

He is a regular speaker on the topic of data visualization, data mining, and Tableau training at conferences, symposiums, workshops, universities, and corporate training programs. He is a 5x Tableau Zen Master, and inducted into the Tableau Zen Master Hall of Fame. His data visualization blog was on the shortlist award for the 2016 Kantar Information is Beautiful Awards. He is also the co-author of The Big Book of Dashboards.

Steve Wexler is the founder and chief chart looker-atter for Data Revelations. He is also the author of The Big Picture: How to Use Data Visualization to Make Better Decisions—Faster (winner of Data Literacy’s Most Insightful Data Book) and co-author of The Big Book of Dashboards: Visualizing Your Data Using Real-World Business Scenarios.

Steve has worked with ADP, Gallup, Johnson & Johnson, Deloitte, ExxonMobil, Convergys, Consumer Reports, The Economist, SurveyMonkey, Con Edison, D&B, Marist, Cornell University, Stanford University, Tradeweb, Tiffany, McKinsey & Company, and many other organizations to help them understand and visualize their data. A Tableau Visionary (Hall of Fame) and Iron Viz winner, Steve also serves on the advisory board to the Data Visualization Society and is co-host of the popular webinar series Chart Chat (winner of Data Literacy’s most interesting podcast award).

His presentations and training classes combine an extraordinary level of product mastery with the real-world experience gained through developing thousands of visualizations for dozens of clients. Steve has taught thousands of people in both large and small organizations and is known for conducting his workshops and presentations with clarity, patience, and humor.

Amanda Makulec is the Executive Director of the Data Visualization Society. She holds a Masters of Public Health from the Boston University School of Public Health. She worked with data in global health programs for eight years before joining Excella, where she leads teams and develops user-centered data visualization products for federal, non-profit, and private sector clients. Amanda is also a co-organizer for Data Visualization DC.

Andy Cotgreave is co-author of The Big Book of Dashboards, and Technical Evangelist at Tableau. He is the host of If Data Could Talk, co-host of Chart Chat and columnist for Information Age. He has over 15 years’ experience in data visualisation and business intelligence, first honing his skills as an analyst at the University of Oxford. Andy helps customers, media and analysts across all industries see and understand their data. He has inspired thousands of people with technical advice and ideas on how to identify trends in visual analytics and develop their own data-discovery skills.