ACM SIGCAS is run by the Executive Committee (EC), which includes elected officers, the immediate past Chair, editors of membership publications, and appointed office-holders. The ACM Structure and Function of a Typical SIG  provides general details with respect to this committee.

Current officers for 2025:

Michelle Trim SIGCAS Chair mtrim [at] cs.umass.edu
Samuel Mann SIGCAS Vice-Chair samuel.mann [at] op.ac.nz
Chinasa T. Okolo Member-at-large and Editor-in-Chief, Computers and Society editors_sigcas [at] acm.org
Richard Blumenthal Former Member-at-large and Editor-in-Chief rblument [at] regis.edu
Mikey Goldweber Past Chair goldweberm [at] denison.edu