She will oversee sales efforts focusing on advocacy and political advertising.
Sophie recently graduated from UC Berkeley and is currently a summer intern at The Post.
He will begin his new role in the summer of 2017.
The sixth annual Festival will be held Sept. 23-25 on the campus of the University of Texas at Austin.
Mike is currently reporting for The Post's Morning Mix team.
Zach is currently an economic policy editor for The Post's Wonkblog.
Co-produced by APM Reports and The Post, the series will narrate the stories of personal objects and experiences as they relate to black history in America.
In each weekly episode, Opinion Writer Jonathan Capehart interviews a newsmaker about the subject they know best.
This new monthly record is a 54% increase year-over-year.
The Post recognized with multiple awards in newspaper and magazine categories.