Entrepreneur Russ Gottesman’s first venture, CommuterAds, began as a business idea he pitched to win the 2008 New Venture Challenge, an annual student competition for aspiring business founders sponsored by DePaul’s Coleman Entrepreneurship Center. Today, Gottesman (MBA ’11) is CEO of CommuterAds, a Dayton, Ohio-based business that has placed more than $25 million in audio…