For many professionals, achievement in the workplace serves as the ultimate self-esteem booster. Called out for a job well-done by your leader? Big boost. Got a promotion? Even bigger boost. And with each small accomplishment comes a small amount of satisfaction in knowing that we're making progress toward the pinnacle of our professional lives. After all, history tells us – our positive, healthy self-image coupled with a hard work ethic can lead to more job satisfaction, which in turn leads to success both inside and outside of the office.