The lineup includes two world premieres and two play festivals.
Liz Kerin and Azure Osborne-Lee each receive commissions for new works.
The season will include world premieres from Lauren Gunderson and Rehana Lew Mirza, as well as a series of readings.
Five women artistic directors will receive grants to support their work and to foster a new generation of female leaders.
The female-focused theatre’s 2017-18 season will include new works from Monica Bill Barnes & Company and Kate Benson.
Sag brings his experience in general management to the new role.
The theatre, formerly known as Women’s Project Theater, also announces its 2016-18 Lab Artists and new Domestic Partner Program.