Arbor Vitae - Woodruff School Authorized Investment Providers For specific investment provider information, please click on the investment provider name of your choice to visit the company's website. 403(b) Ameriprise Financial(800) 862-7919 Equitable(800) 628-6673 WEA Member Benefits(800) 279-4030 457(b) Empower Retirement (formerly Great West Life & Annuity Ins Co)(800) 537-2033 Roth 403(b) Equitable(800) 628-6673 WEA Member Benefits(800) 279-4030