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 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

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.

Meet More

Stephanie Frerich

Executive Editor

Stephanie Frerich is an Executive Editor at Portfolio, where she acquires and edits narrative nonfiction and books on business, technology, culture, current events, and women’s issues. Excited to return to publishing in 2015 after a two-year sojourn in the startup world, her mission is to bring that insight and innovation to her books and the business. Her authors include Bumble founder and CEO Whitney Wolfe, venture capitalist John Doerr, entrepreneur Marie Forleo, Bloomberg Technology’s Emily Chang, musician Claire Evans, and Fortune’s Adam Lashinsky. She tweets about James Joyce and her fave reads at @SGFrerich.


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.


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. 


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.

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Merry Sun

Associate Editor

Merry Sun joined Portfolio as an editorial assistant in 2015 and is now an associate editor. She particularly enjoys editing idea-driven books about counterintuitive concepts in economics, finance, behavioral science, and technology. Her authors include founder of Serious Eats Ed Levine, New York writer Melissa Dahl, science journalist and cofounder of Contently Shane Snow, and Chief Behavior Officer of Clover Health Matt Wallaert. She has a particular soft spot for books about food and the food industry and very strong opinions about where to go for lunch.