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Dinny Cosyns

Senior Partner


Dinny Cosyns is a Senior Partner and Founder of NorthStar Strategies. She has been a creative marketing professional for over 30 years with blue chip advertising agencies. Her experience spans a wide range of national brands in scores of industries, including financial services, retail, and packaged goods. Dinny is a strategic problem-solver, creative thinker and consensus builder. She is experienced in leading teams to create award-winning and highly effective integrated marketing and advertising campaigns for national brands.

During her 20-plus years as a senior account manager at JW Thompson, Dinny became known as “the person who gets things done.” Her professional experience spans project management, brand strategy, selling ideas, research design and execution, coordinating agency resources, anticipating and staffing for client needs, as well as the overall profitability of accounts. As Senior Partner, Management Director and Group Management Director at JWT Dinny guided clients, including Northwestern Mutual, Office Depot and Oscar Mayer to profitable growth and award-winning campaigns that were recognized for their creativity and advertising effectiveness. Dinny was a pivotal member on the Discover Card launch team and the Ford Citibank card. She has also managed national advertising programs for Gerber Products, Florsheim and Princess Cruise Lines.

Dinny has a BA in Communications from the University of Wisconsin.

Smart Words

"Good marketing makes the company look smart.  Great marketing makes the customer feel smart."

Joe Chernov, VP Content, Hubspot