For information about the benefits enrollment process at Western Michigan University, select your employee group below. If you are unsure of your employee group, please refer to your offer letter. Aviation Associates Coaches Dining Services, Facilities Management and Other (AFSCME) Faculty (AAUP) Police Officers (POA) Power Plant (MSEA) Research Staff (R1 and R2) Research Staff (R3) Senior Administrative Officers Staff Compensation System (SCS)