Since Portfolio was founded by Adrian Zackheim in 2001, it has emerged as a major force in nonfiction publishing for ambitious people. We connect readers with powerful ideas that inform and improve their lives, within the workplace and beyond. Portfolio authors are innovators, entrepreneurs, and experts who aren’t afraid to take risks and change the world, and who reflect the diversity of voices, identities, experiences, and goals we see in our community of readers. We strive to produce original books in fields such as technology, economics, entrepreneurship, biography, and investigative journalism, with a focus on educating and inspiring a new generation of innovative leaders.

Some of Portfolio’s bestsellers include Start with Why by Simon Sinek, #Girlboss by Sophia Amoruso, The Obstacle Is The Way by Ryan Holiday, Team of Teams by General Stanley McChrystal, This Is Marketing by Seth Godin, The Bullet Journal Method by Ryder Carroll, Brotopia by Emily Chang, and The Four by Scott Galloway.

Meet Portfolio

Adrian Zackheim

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.

Tara Gilbride

Vice President, Associate Publisher

Tara Gilbride has over 20 years of experience promoting non-fiction authors and their books. As VP, Associate Publisher, she is in charge of helping authors find the largest readership possible through customized media and event outreach, creative online marketing campaigns and by generating innovative promotions that ignite preorder campaigns and reinvigorate backlist. Recent campaigns she has worked on include the bestsellers Measure What Matters by John Doerr, Together Is Better by Simon Sinek, and Out of the Maze by Spencer Johnson. Before joining Portfolio she spent over a decade at the Crown Publishing Group, where she oversaw marketing and publicity for Crown Business in addition to working with authors across categories, including bestselling authors T. Boone Pickens, AG Lafley, Meg Whitman, Eric Ries, Chip and Dan Heath, Reid Hoffman, Deepak Chopra, Steve Forbes, Cesar Milan, and David Sanger, and has coordinated marketing and media strategies with such organizations as P&G, LinkedIn, McKinsey, IDEO, Wharton, WIRED, Wall Street Journal and Forbes Magazine. She lives in Connecticut with her husband and two children.

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. 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.

Meet More

Bria Sandford

Executive Editor

Bria Sandford joined Portfolio in 2012. She enjoys editing leadership narratives, economic policy, geopolitics, history, and prescriptive career guides. Her bestselling authors include retired four-star General Stanley McChrystal, political scientist Ian Bremmer, and career advice guru Jon Acuff.  She tweets at @blsandford.

Bria Sandford's Featured Titles

Team of Teams
Gen. Stanley McChrystal
Tantum Collins
David Silverman
Chris Fussell

Trish Daly

Senior Editor

Trish Daly joined Portfolio in 2019 as a Senior Editor. Previously she held positions at the Little, Brown imprint of Hachette Book Group, working with the world’s bestselling author James Patterson; and the William Morrow imprint of HarperCollins where she acquired Margot Lee Shetterly’s #1 bestseller HIDDEN FIGURES, later adapted for an Oscar-nominated film. Forthcoming titles include a true-crime narrative exposing college admissions fraud from Wall Street Journal investigative reporters Melissa Korn and Jen Levitz; and Dr. Gero Leson’s LET IT GROW, a travelogue account of his work advancing the environmental and social mission of Dr. Bronner’s Magic Soaps. Trish is most interested in narrative and idea-driven nonfiction from experts and storytellers, including journalism, history, economics, sociology, environmental issues, technology, and current affairs, and as a recreational distance runner, she’s also drawn to books about sports and fitness, adventure, and food. She retweets smart and funny authors at @trish_daly.

Trish Daly's Featured Titles

Melissa Korn
Jennifer Levitz
Conscious Leadership
John Mackey
Steve Mcintosh
Carter Phipps

Noah Schwartzberg

Senior Editor

Noah joined Portfolio in 2019. He brings more than ten years of experience as an acquisition editor for McGraw-Hill, Cambridge University Press, and Fairchild Books. His areas of focus include business, economics, finance and investing, and the political scene. He’s especially interested in business stories that shine a light on critical but overlooked issues, stories about the intersection of business and criminality, and new ways to solve old problems.

Noah Schwartzberg's Featured Titles

Dead in the Water
Matthew Campbell
Kit Chellel
Stanley McChrystal
Anna Butrico

Merry Sun


Merry Sun joined Portfolio in 2015. She publishes brilliant thinkers who are on a mission to share their ideas with smart, hungry readers. Topics in economics, social psychology, finance, technology, and the food business by academics and journalists interest her most. She also acquires practical non-fiction by smart and singular voices with a bold message. Her bestselling, award-winning authors include Wall Street Journal reporter Gregory Zuckerman, Harvard Business School professor Laura Huang, DEI leader Y-Vonne Hutchinson, serial entrepreneur and advocate Kathryn Finney, Eleven Madison Park cofounder and restauranteur Will Guidara, MacArthur Genius and MIT economist Amy Finkelstein, and Stanford economist Liran Einav.

Helen Healey


Helen Healey joined Portfolio in 2017. She aims to identify leaders, thinkers, and agitators who challenge the status quo and improve the lives of ordinary Americans. She’s interested in a sweeping range of nonfiction, from personal finance and mental toughness to investigative journalism and racial and economic justice. She has edited two New York Times bestsellers, including Beyond Order by Jordan Peterson and Don’t Burn This Book by Dave Rubin. In 2021 and 2022, she will publish public intellectuals like Bret Weinstein, Heather Heying, and Coleman Hughes, as well as budgeting guru Kumiko Love and survival expert Mike Glover.

Helen Healey's Featured Titles

Nina Rodriguez-Marty

Associate Editor

Nina Rodríguez-Marty joined Portfolio in 2019. She is most drawn to prescriptive and idea-driven nonfiction that speaks at the crossroads of work and life, in categories like business, self-help, behavioral science, entrepreneurship, and peak performance. She’s also fascinated by writers who can turn mainstream convention on its head with well-earned arguments or moving narratives. Among her authors are host of the Rationally Speaking podcast Julia Galef, leading sales expert Matthew Dixon, Silicon Valley user researcher Ximena Vengoechea, activist Elizabeth McLaughlin, former U.S. Air Force officer D.J. Vanas, and New York University professor Tessa West.

Megan McCormack

Editorial Assistant

Megan McCormack joined Portfolio in January 2021. She is interested in narrative and idea-driven nonfiction that teaches us about the human mind or human behavior in unexpected ways. Always curious and eager for new knowledge, she is drawn to learning from the experts on surprising subcultures, business scandals and corporate underbellies, and the intersection of tech and feminism.