Professors Denise Caterinacci and Tatiana Zilotina were selected by The Language Center of the University of Chicago to participate in the 2-week Mellon 2024 “Transforming Language Instruction at the University of Chicago and Beyond: Collaborative Curricula and Professional Development” workshop on the ACTFL Oral Proficiency Interview and workshop on related ACTFL Test Design and Development. In addition to Italian and Russian, other languages represented were Hindi, Armenian, Hawaiian, Spanish, Kurdish, Japanese, Serbian/Croatian, Polish, and Uyghur. All participants were university faculty from around North America. Sessions were held at the University of Chicago, May 27 to June 6, 2024.