Makalihis na makagradwar, si Flaviana Charles nagin program officer sa Legal and Human Rights Centre sa Tanzania. Si Charles nagin myembro kan pirang mga organisasyon na nakasentro sa batas asin deretsos kan mga tawo, kabali igdi an Tanganyika Law Society (Continuing Legal Education Committee), East African Law Society, African Coalition for Corporate Accountability, Tanzania Women Lawyers Association, asin Tanzania Human Rights Defenders Association. Dugang pa kaini, si Charles nagtukdo sa University of Bagamoyo asin sa Law School of Tanzania, kun sain ini nagtututok sa gender equity, community investment rights, deretsos na makapaglinig, asin corporate social responsibility.