Adrian Zackheim

Founder, President, and Publisher

Adrian Zackheim joined Penguin Group in September 2001 as Founder and Publisher of Portfolio. He then took on the additional challenge of starting Sentinel in April 2003. In 2018, he announced the addition of another new imprint to the group: The Optimism Press, in collaboration with Simon Sinek.

Previously, he was the Associate Publisher and Editor-in-Chief of HarperInformation, a division of HarperCollins that included HarperBusiness. His editorial career has also included positions at William Morrow, Doubleday, and St. Martin’s Press, and his first job was as School and Library Publicity Assistant at G.P. Putnam’s Sons, which was then a privately held small publishing company. He later moved to Putnam’s Editorial department under the leadership of Editor-in-Chief Phyllis Grann.

Among the many bestselling books he edited and published before joining Penguin Group were Good to Great by Jim Collins; Die Broke by Stephen Pollan and Mark Levine; The Dilbert Principle by Scott Adams; The HP Way by David Packard; and Swim with the Sharks without being Eaten Alive by Harvey Mackay.

Will Weisser

Vice President, Deputy Publisher, and Marketing Director

Will Weisser joined Portfolio in 2002, before our first book was published. As Deputy Publisher and Marketing Director, he is deeply involved in all aspects of the publication process and doesn’t sleep until we get the book right, from acquisitions to packaging to the development and execution of marketing plans. He began his career at Simon & Schuster and held various publicity and marketing positions at Pocket Books, Grove/Atlantic, Times Books, and Crown Business. Among the bestselling authors he worked with before joining Portfolio are Larry Bossidy, Michael Hammer, Marlin Fitzwater, and P.J. O’Rourke.

Niki Papadopoulos

Editorial Director

Niki Papadopoulos joined Portfolio in 2011 as a Senior Editor, and is a passionate advocate for business as a tool for empowerment, innovation, and social good. In addition to overseeing general acquisition strategy for the Portfolio imprint, she acquires and edits a wide range of commercial nonfiction for ambitious people, from idea-driven business books to narrative, biography, memoir, investigative journalism, and self-help. In the last decade she has published twelve New York Times bestsellers and seventeen Wall Street Journal bestsellers, including This Is Marketing by Seth Godin; The Obstacle Is the Way by Ryan Holiday; The Four by Scott Galloway; Captivate by Vanessa Van Edwards; Thinking in Bets by Annie Duke; The Death of Money by James Rickards; Hooked by Nir Eyal; and American Kingpin by Nick Bilton.She tweets about grammar, dogs, and what happens to authors who don’t turn their manuscripts in on time at @niki_pop.