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Hayley Berlent
Founder/CEO at The Additive Agency
Hayley Berlent is the Founder and CEO of The Additive Agency, a brand transformation consultancy that helps purpose-driven organizations achieve greater social and business impact.13 She is also a Lecturer in the Strategic Communication program at Columbia University's School of Professional Studies.36
Background and Education
Berlent grew up in South Africa, where she witnessed social injustice firsthand and observed how positive social change could occur.13 This experience shaped her career path and inspired the foundation of her agency. She holds a Master of Science in Strategic Communication from Columbia University, where she was part of the inaugural graduating class in 2004.13 She also has a Bachelor of Science from the University of Maryland.3
Career Highlights
- Founder and CEO of The Additive Agency (now known as Additive Impact, LLC)127
- Led brand engagements for diverse clients, including MDA, City of Memphis, St. Jude Children's Research Hospital, and Columbia Alumni Association3
- Previously led brand transformation efforts at Siegel+Gale for clients such as YMCA, Aetna, and Rotary International3
- Managed public affairs at Columbia Law School earlier in her career3
Teaching and Expertise
As a Lecturer at Columbia University, Berlent teaches a class on "the business of issues," exploring the role and responsibilities of corporations in addressing social issues.5 Her practical experience allows her to bring real-world insights to the classroom, discussing topics such as strategic partnerships and making business cases for social impact initiatives.5
Recent Activities
- Co-presented a webinar for The Communications Network with Omoiye Kinney of United Way in February 20254
- Celebrated the 10th anniversary of founding The Additive Agency in August 20247
- Featured on the "Rising to the Top: Lessons in Leadership" podcast from Columbia University School of Professional Studies in July 20248
Berlent currently resides in Brooklyn, NY with her family.3



