2019 – Richland, WA, USA
2018 – Cancun, Mexico
2017 – Fort Worth, TX, USA
2016 – Toronto, ON, Canada
2015 – Ann Arbor, MI, USA
2014 – Des Moines, IA, USA
2013 – Shenzhen, China
2012 – Montréal, QC, Canada
2011 – Cancun, Mexico
2010 – West Lafayette, IN, USA