Not everyone in marketing set out from Day One to become a marketer.And for outside creatives transitioning into the corporate world, there are tough lessons to master, dangerous pitfalls to avoid and unwritten rules to learn.Before he was brand strategist, David Allen Moss was an industrial designer, an artist and a musician. His impressive and meandering career as a marketer has touched brands like Best Buy, Wynn Las Vegas, Gateway Computers, Costco and Red Lobster. And the time he spent working for American Greetings and EDR Media in Ohio is littered with war stories of high-profile clients, high-pressure business meetings and high-strung personalities.These days, David is the Chief Creative Officer at Evergreen Podcasts in Cleveland. But he says his experience in the trenches made him the professional he is today, even if, as an idealistic creative in the corporate world, it was an especially vexing puzzle to navigate.Learn more about your ad choices. Visit megaphone.fm/adchoices