The units consists of a Department Chair & 2 Vice Chairs (Psychology), Department Chair (Philosophy), Director & Associate Director (CMB), Department Chair (STS), Director of CSIS, Director of CAIEF, and Director of Cognitive Science, approximately 70 Senate faculty, 35 Academic Federation faculty, 100+ non-Senate academic employees of varying titles (Graduate Student Researchers, Teaching Assistants, Visiting Scholars, Postdoctoral Scholars, Lecturers), 150+ graduate students, 3200+ undergraduate majors, and 23 staff FTE. Serves seven independent units in the College of Letters and Science Social Sciences that are clustered for administrative purposes: Psychology Department, Philosophy Department, Center for Mind and Brain (CMB), Science and Technology Studies Department (STS), Center for Science and Innovation Studies (CSIS), Center for Artificial Intelligence and Experimental Futures (CAIEF), and Cognitive Science.