JeffreyJeffrey Breen leads the Think Big Academy which provides training and education services for our clients, partners, and internal teams. Jeffrey has over 20 years of hands-on and leadership experience in IT, having served as the Chief Technology Officer of Yankee Group and the start-up Navient Corporation. Jeffrey is well known in the R community for his presentations and tutorials, and his method for mining Twitter for consumer sentiment is featured in Practical Text Mining and Statistical Analysis for Non‐structured Text Data Applications from Elsevier. He holds an M.A. in Astronomy from the University of Virginia and a B.A. in Physics and Astronomy & Astrophysics from the University of Pennsylvania.