The conference is located in Atlanta, Georgia, USA. If you are traveling by air to Atlanta:

The closest airport is the Hartsfield-Jackson Atlanta International Airport (ATL), which is the busiest airport in the world, with direct flights to most airports around the country and world. It’s a 25-minute taxi/rideshare/drive from the airport to the conference hotel. There is also a direct train from the airport to downtown Atlanta (Peachtree Center), which is a ~7 minute walk (0.3 mi) from the Hyatt Regency.

More information about the train is available at the MARTA website.