Keith Hennessy (born 1959 in Sudbury, Ontario, Canada) is a San Francisco-based dancer, choreographer, and performance artist regarded as a pioneer of queer and AIDS-themed performance. He is known for non-linear performance collages that combine dance, speaking, singing, and physical and visual imagery, and for improvised performances that often undermine the performer-observer barrier. Hennessy directs CIRCO ZERO, which has received commissions from Les Subsistances (Lyon) & Les Laboratoires (Paris), FUSED (France-US Exchange), as well as funds from the Zellerbach Family Fund, San Francisco Arts Commission, California Arts Council, Grants for the Arts, and The San Francisco Foundation. Hennessy's performances are embedded in leftist and anarchist social movements; his career began in ant