Marcin, 33, knew he needed a dramatic career shake-up. The New Jersey-based auditor had grown tired of a desk job in which his greatest interactions were over email, and his main day-to-day function was to serve a corporation's bottom line. “I was doing the same repetitive work every day, sifting through massive amounts of data, essentially looking for human errors to gain money back for clients,” he explains. “It felt meaningless, and I didn’t like my co-workers.”