VirtLab: An AI-Powered System for Flexible, Customizable, and Large-scale Team Simulations. - Mohammed Almutairi; Charles Chiang; Haoze Guo; Matthew Belcher; Nandini Banerjee; Maria Milkowski; Svitlana Volkova; Daniel Nguyen; Tim Weninger; Michael Yankoski; Trenton W. Ford; Diego Gómez-Zará (CoRR, 2025)