[11] Pritzker co-founded the General Assembly in January 2011 with Jake Schwartz, Brad Hargreaves, and Matt Brimer.

[12] Pritzker and his partners started the company as a New York coworking space that offered practical classes on technology, design and entrepreneurship.

He left his day-to-day job at the business in 2013 but remained chairman until its sale to The Adecco Group.

[18] In October 2017, Pritzker partnered with Jeffrey Sachs, a development economist at Columbia University, and Daniel Squadron, a former New York state senator, to found Future Now.

The organization's policy agenda is based on the U.N.'s Sustainable Development Goals – a global list of priorities approved in 2015 by the 193 U.N.