Macmillan Learning President Susan Winslow Promoted to CEO

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New York, March 14, 2022 -- Macmillan Learning, a division of the family-owned global media company Holtzbrinck Publishing Group, announced that Susan Winslow has been promoted to the role of Chief Executive Officer. In this new role, she will oversee the company’s short and long-term global growth, and continue leading the company’s digital transformation in support of all students, no matter their background or abilities. 


Winslow, who has served as the company’s President for the past 14 months, has been with Macmillan Learning since 2007. She previously acted as General Manager and has been a part of the company’s senior leadership team since 2015. A long champion of digital learning and equity in education, under her leadership, Macmillan Learning has grown market share for the past five years, developed, tested, and launched the company’s innovative digital platform, Achieve, and doubled the size of its AP High School business.

“There are few things more powerful than an education. Susan deeply understands this and has made it her mission to lead Macmillan Learning to enable this opportunity for all students,” said Stefan von Holtzbrinck, Chief Executive Officer of Holtzbrinck Publishing Group.

“Susan is an authentic leader who has the respect and admiration of the company’s employees, authors, and customers,” said Holtzbrinck Publishing Group’s Chief Operating Officer, Filmon Zerai. “As President, she successfully navigated the company through a rapidly-changing market at one of the most pivotal moments within the education industry, all while also launching a new digital learning platform and expanding internationally. Even with all this change, her focus remained steadfastly on supporting students and their learning.”

Winslow has more than 30 years experience working in educational publishing across all areas of the business, and is one of only a few women leading educational services and publishing companies. Under her leadership as General Manager and President, Macmillan Learning gained market share consistently, enabled a smooth transition to digital native course materials and expanded the company’s roster of award-winning authors. She also led the effort to extend Macmillan Learning’s footprint beyond North America in 2021. Winslow has long been a champion of diversity, equity, and inclusion and is a passionate supporter of STEM education.  

“We have the opportunity to do something meaningful. To change lives by helping students feel like they belong, and that they deserve to be in the classroom; to help them achieve their goals. My north star for Macmillan Learning is to continue producing technology and course materials that fully engage students, providing them a doorway to what’s possible,” said Susan Winslow, CEO, Macmillan Learning.

About Macmillan Learning

Macmillan Learning is a privately-held, family-owned company that improves lives through learning. By linking research to learning practice, we develop pioneering products and learning materials for students that are highly effective and drive improved outcomes. Our engaging content is developed in partnership with the world's best researchers, educators, administrators, and developers. To learn more, please visit or join our Macmillan Community