Our Leadership

Ken Michaels

Ken Michaels

Chief Executive Officer

Before becoming Macmillan Learning's CEO, Ken was responsible for leading global operations for Macmillan Science and Education. He previously served as President and Chief Operating Officer at Hachette Book Group, spent 12 years in Executive Management roles for the McGraw-Hill Companies, and at General Electric. Ken holds a Bachelor's degree in business administration, an MBA, and is a graduate of GE's Financial Management Program.


Susan Winslow

Susan Winslow

Managing Director

Susan's nearly 22-year career in publishing has included working with some of the brightest minds in science, as well as calling on classrooms in the U.S., Canada, Europe, and the Middle East. During her tenure at Macmillan, she has overseen the development of market-defining products that have pioneered integration of print and media working together seamlessly to achieve a set of desired outcomes for students.


Adam Black

Adam Black

Chief Learning Officer

Adam is a recognized pioneer in improving learning outcomes. From identifying promising areas of learning science, to directing the development of market-leading digital products, and spearheading novel approaches for assessing impact, Adam brings more than 25 years of experience to Macmillan Learning. Adam holds a BSc from the University of Edinburgh and a PhD in Astrophysics from the University of Cambridge, has two patents pending in analytics innovation, and has won several awards in digital innovation.


Allison Rutledge Parisi

Allison Rutledge-Parisi

Chief Administrative Officer

A graduate of Yale University and Columbia Law School, Allison worked as an attorney before leaving the legal profession to join Kaplan, Inc., as their Chief Administrative Officer. Prior to joining Macmillan in 2014, Allison was Chief People Officer for Fab.com, Inc., a global design e-commerce start up, where she built a global HR team from scratch in the space of 18 months.


Chelsea Valentine

Chelsea Valentine

Chief Technology Officer

A transformational leader with over 20 years of experience in both product and technology, Chelsea brings deep knowledge to our technology teams. She is the author of over a dozen books on Web application and design, XML, XSLT and other XML technologies, and an active participant in the Agile and Lean communities.


Ken Brooks

Ken Brooks

Chief Operational Officer

Ken brings a wealth of experience and expertise in digital operations transformation to Macmillan Learning from his time with both McGraw-Hill and Cengage. A recognized and proven expert in aligning operational execution for competitive advantage, Ken has been instrumental in driving industry standards.


Craig Bleyer

Craig Bleyer

Senior Vice President, Sales & GM, iClicker

Highlights of Craig's impressive 25-year career in publishing include launching the popular Economics by Paul Krugman and Robin Wells, as well as Calculus by Jon Rogawski, during his time as a Senior Publisher at Bedford, Freeman & Worth. He also succeeded at developing a strategy to grow Bedford's High School unit by integrating sales, marketing, and editorial operations, and restructured the sales organization while publishing new titles designed specifically for the AP community.


Simon Horrer

Simon Horrer

Senior Vice President, Finance

Simon brings a passion for excellence and vision for fiscal simplicity, reporting, and operational support to Macmillan Learning. He was most recently a member of the Holtzbrinck Finance and Accounting team, where he managed all group reporting, subsidiary relations, and merger and acquisition projects. Before joining Holtzbrinck, Simon gathered broad business and financial experience across a variety of media-related industries at the audit and consulting firm Ebner Stolz in Germany.


Renee Altier

Renee Altier

VP, Marketing and Strategy, Institutional

A recognized thought leader with extensive experience in sales, marketing, editorial, and product development, Renee leads our i>clicker and Reef student engagement business. Renee has a penchant for identifying key trends in the marketplace and partnering with the brightest academic minds to solve challenges for students and instructors. Highlights of her impressive career include managing the market-leading psychology franchise by David Myers, acquiring and managing the prepU adaptive learning platform, and incubating i>clicker from experiment to the best-selling personal response system in the marketplace.


Elizabeth Widdicombe

Elizabeth Widdicombe

Vice President, Strategy

Liz began her publishing career with Holt/Harcourt as an Economics Editor before becoming VP of Saunders/Dryden. For the past 19 years with Macmillan as President of WH Freeman and Worth Publishers, Liz led the growth of the sciences and social sciences from an initial $29 million to $132 million. Her experience and strategic success make her an invaluable part of the Macmillan Learning team.