NEW YORK: Don Middleberg has joined social media agency Laundry Service as principal and CEO. He will retain his role as CEO of Middleberg Communications. The two firms share offices.

Laundry Service founder Jason Stein will remain in his role as principal and president. The agency provides video creation and distribution services and also develops and markets multiplatform games, apps, and experiences.

Criteo, a performance display advertising company, has selected Middleberg and Laundry Service for PR and social media in the US.