This article was co-authored by Shannon O'Brien, MA, EdM and by wikiHow staff writer, Eric McClure. Shannon O'Brien is the Founder and Principal Advisor of Whole U. (a career and life strategy consultancy based in Boston, MA). Through advising, workshops and e-learning Whole U. empowers people to pursue their life's work and live a balanced, purposeful life. Shannon has been ranked as the #1 Caree