John Neeson

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John Neeson is a Lecturer at the MIT Sloan School of Management.

John was co-ceo/founder of SiriusDecsions, a research and consulting firm focusing on business-to-business sales, marketing, and product management. Under John’s leadership, SiriusDecisions grew to over $100 million in revenue, 350 employees helping over 1,900 companies around the world optimizing their top-line growth with their proprietary methods.  John is a well-recognized thought leader in business-to-business marketing, most recently named as one of the top 10 most influential people in marketing today by the B2B News Network. He has more than 30 years of experience focused on marketing, product development, sales management, communications, and general management in a variety of businesses and industries. Prior to founding SiriusDecisions in 2001, John was chief executive officer of Skila, a SaaS provider of business intelligence solutions for the pharmaceutical, medical device, and biotechnology industries. John also spent 14 years at Gartner as a member of the company's senior management team, holding positions that included vice president of sales, senior vice president of worldwide marketing, and executive vice president and general manager of the Technology Provider Group. John was one of the five officers of the company and was instrumental in helping Gartner grow from $25 million in yearly sales to $1 billon.  While at Gartner, John rebranded the company, played an active role in more than 25 acquisitions and investments, and was part of the team that created the concept of Enterprise Resource Planning (ERP). John began his career at 3M Corporation in the Media Services division where he was a consultant. 

John served as a board member for Jupiter Communications, Avalere Health, SiriusDecisions, and also has been an advisor to several start-up companies. He is currently a board member for CyberScout, CxoNexus, an Adjunct Professor at Boston College, and a special advisor to several private equity firms.


John has BA in economics from Ithaca College.