Ehrin, who serves as showrunner, and Leder executive produce alongside Aniston and Kristin Hahn through Echo Films; Witherspoon and Lauren Levy Neustadter through Hello Sunshine; and Ellenberg through Media Res, which serves as the studio. Brian Stelter consults on the project, with his book Top of the Morning providing additional background material. Filming is slated to begin next week in Los Angeles.