The emerging global economy and increasing diversity of the workforce continue to influence the way organizations manage their human resources. This work reviews twelve critical diversity issues students must learn thoroughly and implement resolutely in their careers to become effective leaders in a diverse workplace, such as: Equal Opportunity Employment, Affirmative Action, stereotypes, disabilities, cultural values, dispute resolution, sexual orientation, and implementing a successful diversity program in the workplace. This work is easily adopted into any business or communications course for burgeoning business professionals, or to be read alone as a thorough review for graduates.