As President and Founder of Charles River Interactive, Mark combines his expertise in interactive marketing, integrated marketing solutions, new media, and specifically search engine marketing to design and implement innovative strategies that are based on ROI and meeting key financial metrics. Charles River Interactive works with business-to-consumer and business-to-business clients, as well as some of the nation’s leading media agencies.

Prior to Charles River Interactive, Mark was Vice President of Catalyst on-line, one of the premier online marketing firms serving the healthcare industry. At Catalyst, Mark worked directly with some of the world's largest pharmaceutical companies, including Pfizer, Novartis, Sanofi-Aventis, and Biogen Idec.  Mark also spent close to 15 years in the weather industry, most recently as Director of Sales and Marketing for Intellicast.com, the second-largest provider of weather information on the web. He also held Sales Management positions at two of the country’s leading weather information providers, as well as at the Boston Red Sox and Celtics Radio Network.