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A subsidiary of the Interpublic Group of Companies (IPG)

1700 Market St., 29th flr., Philadelphia, PA 19103


[email protected]


Founded: 1942.

Agency Statement:

Tierney is a strategy-driven content and distribution agency that creates dynamic, data-informed stories and fully integrated campaigns. Our agency philosophy is rooted in how we work. We do what other agencies do, but it's how we do it that makes us the best partner.

As a subsidiary of the Interpublic Group (NYSE: IPG) holding company, Tierney has access to a global network and resources, unmatched media clout, access to industry-leading research and analytic tools.

With every key marketing discipline under one roof, one leadership and business structure, Tierney produces fully integrated solutions that can be customized, scaled and evolved to address our clients' business objectives, industry challenges, or changing consumer mindsets. Our clients, teams and community are seeking solutions and our expertise can offer those solutions. We roll up our sleeves and do whatever it takes to achieve a common goal.

As a full-service marketing communications agency with a 79-year heritage rooted in Philadelphia, Tierney clients also tap our expertise in social media and influencer engagement, national consumer and trade media relations, and rely on us to execute comprehensive strategic position, thought leadership, and reputation management programs.

Headquartered in Philadelphia, Tierney has offices in Harrisburg, Pa. and New York City.

Mary Stengel Austen, CEO; Tracey Santilli, pres.; Catherine Mazurek, CFO

Tierney Harrisburg:
212 Locust St., #400, Harrisburg, PA 17101

Tierney New York:
100 W. 33rd St., 5th flr., New York, NY 10001

Clients Include:

Blue Foundry Bank
Choice Hotels
Choice Hotels: Cambria
Donate Life Pennsylvania
Girl Scouts of Eastern Pennsylvania
Independence Blue Cross
Insomnia Cookies
Jazz Pharmaceuticals
McDonald'sŪ Restaurants of Southeastern PA, Southern NJ and DE
Pennsylvania Dept. of Community and Economic Development
Pennsylvania Liquor Control Board
TD Bank

Tierney in the news with O'Dwyer's:

On the Move: Libra Group Names Emily Teitelbaum CCO

Mon., Feb. 7, 2022

...and strategic communications across Libra Group, which has assets and operations across 50 countries. Tracey Santilli Tierney promotes Tracey Santilli to president. Santilli has been with the IPG agency since 2002,...

Apollo Handles Engineering Firm for Collapsed Condo

Mon., Jun. 28, 2021

...communications at WellSpan Health, communications director for Pennsylvania’s General Assembly and associate VP at Tierney Communications....

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