Yagmur Cosar

Executive Director, Communications

Yagmur Cosar is the Executive Director, Communications at the U.S. Chamber of Commerce Foundation. She leads all aspects of the Foundation’s strategic communications efforts, driving outreach to key stakeholders and media to raise awareness of major initiatives and tell the story of business for good.

Yagmur brings a strategic mix of corporate communications, public affairs and foreign policy experience, having held positions with some of the world’s leading public relations agencies. She was previously a Vice President at Burson Cohn & Wolfe, where she led fully integrated communications campaigns and public affairs programs for major global brands, Fortune 500 companies, industry associations, foreign governments and non-profit organizations. Prior to that, she was an Account Supervisor at FleishmanHillard, having advised a wide range of clients in the public, private and non-profit sectors on communications strategy and reputation management.

Yagmur also has served as a Public Relations Officer at the Turkish Embassy in Washington, where she oversaw the Embassy’s communications with key stakeholders, including the U.S. Congress, Administration, and U.S. and Turkish media. She launched campaigns that deployed traditional and social media outreach, stakeholder engagement and cultural diplomacy.

Yagmur holds a master’s degree in media and public affairs from The George Washington University.

Authored Content

Nov 23, 2020
We sat down with business leaders driving the global corporate response to COVID-19 to learn more about their efforts, how they are navigating this uncharted territory, and what advice they have for others. Read more
Jul 17, 2020
We sat down with business leaders driving the global corporate response to COVID-19 to learn more about their efforts, how they are navigating this uncharted territory, and what advice they have for others. Next up in our COVID-19 Business in Action interview series is Kenny Thompson, Head of External Affairs, PepsiCo Read more
Jun 30, 2020
We sat down with business leaders driving the global corporate response to COVID-19 to learn more about their efforts, how they are navigating this uncharted territory, and what advice they have for others. Next up in our COVID-19 Business in Action interview series is Cesar Vargas, U.S. Chief External Affairs Officer, Anheuser-Busch. Read more
Jun 22, 2020
We sat down with business leaders driving the global corporate response to COVID-19 to learn more about their efforts, how they are navigating this uncharted territory, and what advice they have for others. Next up in our COVID-19 Business in Action interview series are Dr. Jay J. Schnitzer, chief medical and technology officer, MITRE, and Dr. John Halamka, president of Mayo Clinic Platform. Read more
Jun 11, 2020
We sat down with business leaders driving the global corporate response to COVID-19 to learn more about their efforts, how they are navigating this uncharted territory, and what advice they have for others. Next up in our COVID-19 Business in Action interview series is Reba Dominski, Executive Vice President, U.S. Bank, & Chief Social Responsibility Officer and President, U.S. Bank Foundation. Read more
May 14, 2020
We sat down with business leaders driving the global corporate response to COVID-19 to learn more about their efforts, how they are navigating this uncharted territory, and what advice they have for others. Next up in our COVID-19 Business in Action interview series is Eduardo Martinez, President of The UPS Foundation. Read more
Apr 23, 2020
We sat down with business leaders driving the global corporate response to COVID-19 to learn more about their efforts, how they are navigating this uncharted territory, and what advice they have for others. First up in our COVID-19 Business in Action interview series is Anne H. Chow, Chief Executive Officer of AT&T Business. Read more
Mar 02, 2020
In celebration of the 10th anniversary of the U.S. Chamber Foundation’s International Women’s Day Forum on March 5, we’re highlighting 10 inspiring leaders who have made their mark in advancing opportunities for women and girls. Dr. Tashni-Ann Dubroy is Executive Vice President and Chief Operating Officer of Howard University. Read more
Feb 28, 2020
In celebration of the 10th anniversary of the U.S. Chamber Foundation’s International Women’s Day Forum on March 5, we’re highlighting 10 inspiring leaders who have made their mark in advancing opportunities for women and girls. Y-Vonne Hutchinson is the founder of Ready Set, a diversity solutions firm based in Oakland, CA, and a co-founder/adviser of Project Include. Read more
Feb 27, 2020
In celebration of the 10th anniversary of the U.S. Chamber Foundation’s International Women’s Day Forum on March 5, we’re highlighting 10 inspiring leaders who have made their mark in advancing opportunities for women and girls. Angela Fuentes is the Co-Founder & CEO of FortyTwentyAM, a Flat Pattern Maker, and a pattern-making instructor at Fashion Institute of Design & Merchandising (FIDM). She’s been in the fashion industry for 12+ years and has owned her company since 2012. Read more