My latest guest represents the perfect dichotomy of what it takes to make it in marketing.On the one hand, the word rockstar is half the name of her company, which connotes to me, Mick Jagger strutting around on-stage crooning “I’m a man of wealth and taste.” Or perhaps for a newer generation, Adam Levine in the spotlight belting out “I got the moves like Jagger.”But then when I went through her podcast guest application, it was filled with humble lessons like, “Be a Horse Whisperer,” “Always...