A teenage golf caddy wanted a Rolex. Years later, Paul Altieri built Bob’s Watches around a question that could make a luxury transaction difficult: what would the dealer pay for it?

Timothy Mack is an award-winning marketing and brand-transformation executive with more than 30 years in retail and consumer brands. He currently serves as Chief Marketing Officer of Bob's Watches, the leading online marketplace for pre-owned Rolex and luxury watches. His track record spans direct-to-consumer growth at Nixon, brand and eCommerce leadership at Lucky Brand, and CMO roles at Bonobos, 4ocean and DIFF Eyewear, where he became known for a data-driven approach to marketing and for mentoring the teams he led.