About

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David M. O'Brien, President and CEO

David is passionate about finding solutions and mobilizing people - across multiple sectors - to advance economic, social and environmental progress  at the state, national and international level. As President and CEO of dOB Strategies, David's clients appreciate his confidence and strategic approach to public engagement, government relations and strategic communications.


A pioneer in the Massachusetts Cannabis industry, David is also a founding member, President, and CEO of Massachusetts Cannabis Business Association. He previously served as a senior adviser to Weedmaps where he led strategy and outreach for East Coast cannabis legalization, regulation and taxation. He also developed and provided municipal officials with data-driven research to inform effective adult-use cannabis zoning laws.


In the course of a political and communications career that has spanned thirty years, David has served as President of North Bridge Strategies, worked on eight US presidential campaigns – four as a staff member, and served as a Clinton Administration presidential appointee at the Corporation for National Service and US Small Business Administration. David also held senior positions on Governor Deval Patrick’s political action, inauguration, and campaign finance committees. 


He holds a Master of Public Administration from Harvard Kennedy School and a BA from Merrimack College. He is an elected member of the Democratic National Committee and the Massachusetts Democratic State Committee.