Since Portfolio was founded by Adrian Zackheim in September 2001, it has emerged as a major force in business publishing. Our mission is to connect readers with powerful, cutting edge ideas that can help them improve and inform their working lives. Portfolio authors are leaders, journalists, innovators, and experts who aren’t afraid to take risks and change the world. We strive to produce original, useful books in fields such as leadership, narrative, memoir, biography, economics, technology, investigative journalism, entrepreneurship, sales, and career advice. Our dedicated editors, publicists, and marketers are constantly stretching the boundaries of what a nonfiction book can do.

Some of Portfolio’s classic bestsellers include:

Meet Portfolio

Adrian Zackheim

Adrian Zackheim

Founder, President, and Publisher

Adrian Zackheim founded Portfolio in September 2001. Previously, he was the Associate Publisher and Editor-in-Chief of Harper Information and Harper Business. His career has also included editorial positions at Putnam, William Morrow, Doubleday, and St. Martin’s. Among the many iconic bestsellers he has edited are Good to Great by Jim Collins; The Dilbert Principle by Scott Adams; The HP Way by David Packard; Purple Cow by Seth Godin; Start With Why by Simon Sinek; The Smartest Guys in the Room by Bethany McLean and Peter Elkind; and Swim With the Sharks Without Being Eaten Alive by Harvey Mackay.

Will Weisser

Will Weisser

Vice President, Deputy Publisher, and Marketing Director

Will Weisser joined Portfolio in 2002, before the imprint’s first book was published. As Deputy Publisher and Marketing Director he is deeply involved in all aspects of the publication process, from acquisitions to packaging to the development and execution of marketing plans. He began his career at Simon & Schuster and went on to 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.

Stephanie Frerich

Executive Editor

Stephanie Frerich joined Portfolio in 2015 as a Senior Editor. Excited to be returning to publishing after a two-year sojourn in the startup world, her mission is to bring fresh insight and innovation to the imprint and her books. She specializes in voice- and idea-driven nonfiction with a focus on business, technology, current affairs, narrative and investigative journalism, leadership, and memoir—especially women changing the world in these areas. Her authors include Ivanka Trump, venture capitalist John Doerr, entrepreneur Whitney Wolfe, journalist Adam Lashinsky, Harvard Business professor John Kotter, and founder Will Dean. She tweets about James Joyce and her fave reads at @SGFrerich.

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Niki Papadopoulos

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. She edits a wide range of idea-driven nonfiction, narrative, biography, memoir, investigative journalism, and prescriptive books. Her bestselling and critically acclaimed authors include Seth Godin, Ryan Holiday, James Rickards, Nick Bilton, Vanessa Van Edwards, Danielle DiMartino Booth, Steven Pressfield, Helaine Olen, Nir Eyal, Olivia Fox Cabane, and Douglas Rushkoff. She tweets about grammar, dogs, and what happens to authors who don’t turn their manuscripts in on time at @niki_pop.


Bria Sandford

Senior Editor

Bria Sandford joined Portfolio in 2012. She enjoys editing leadership narratives, economic policy, history, and prescriptive career guides. Her bestselling authors include retired four-star General Stanley McChrystal, private equity executive Edward Conard, and career advice guru Jon Acuff.  She tweets at @blsandford. 

Leah Trouwborst

Associate Editor

Leah Trouwborst joined Portfolio in 2015 as an editorial assistant. In her short time with us, she has acquired Bullet Journal founder Ryder Carroll’s book about organizing your life through analog practices; Scott Adams’s guide to persuasion, Win Bigly; Benjamin Spall and Michael Xander’s My Morning Routine; and Cara Alwill Leyba’s Girl Code and Like She Owns the Place. She’s looking forward to editing more fresh voices, talented storytellers, and rigorous thinkers with prescriptions on living well in the 21st century.

Kaushik Viswanath

Associate Editor

Kaushik Viswanath joined Portfolio in 2015 as an editorial assistant. He likes to edit prescriptive and idea-driven books on entrepreneurship, sales, marketing, business strategy, technology, and economics. His authors include Cofounder/CEO of VC firm 1776 Evan Burfield, small-business growth expert Mike Michalowicz, and Anthony Iannarino of The Sales Blog. When he’s not editing or reading or writing or singing, you can find him lurking on Twitter @kozemoze.