Thiagi is currently the Resident Mad Scientist at the Thiagi Group, Inc. He has been designing training games and simulations for the past 30 years and has conducted training in 25 different countries. His game-design workshops are held every year in Paris, Zurich, and Singapore. He has been the president of the North American Simulation and Gaming Association five different times as well as president of the International Society for Performance Improvement for two different terms. He has published 40 books designed more than 200 training games that are now used around the world.