How we choose to express ourselves in our personal lives shouldn't impact our careers and how professional—or unprofessional—others may deem us. But so often, we can be penalized or punished professionally for something personal. And this can lead to identities being hidden due to fear of being seen as "unprofessional." Concluding the three-part conversation on professionalism, in S4E19, Margaux, Harjit, and Leen discuss social media's role in professionalism, and define what it means—to them—to be professional.