This workshop will be an introduction to building system dynamics models using 'MyStrategy'. The workshop is intended for people who are relatively new to the field or do not have experience using MyStrategy. The session will be conducted as a hands-on workshop and will demonstrate basic techniques for mapping the causal structure of business and other challenges, and developing simple simulation models. Participants should bring their own computers with the specific software loaded on them or show up one half hour early to load the software. People without computers are welcome to watch, and they will be paired or in small groups to work together with those who do have computers.