Karina Kasztelnik, Ph.D., MBA, CPA, CTP, is a distinguished professor and researcher with 14 years of teaching experience starting from 2011. Specializing in accounting, data analytics, taxation, and IFRS/US GAAP, she has taught at institutions such as Colorado State University – Global Campus, Grand Canyon University, and DeVry University, where she developed courses, served as a subject matter expert, and supervised doctoral dissertations. Her expertise spans big data analytics, with proficiency in software and programming languages like R, Python, SAS, and Tableau. She has extensive industry experience, including roles at the U.S. Department of Treasury and CGI Federal, focusing on data science and tax policy. With numerous publications, books, and instructional software, she has received multiple awards for teaching excellence and technical contributions. Active in professional organizations, she bridges academic research and practical applications in accounting and data analytics.