Portfolio Team
Helen gets excited about idea-driven books that offer bold new ways to see the world. She’s always looking for books that warn of looming dangers, make provocative arguments, meditate on serious issues, and inspire positive change. She has edited a diverse cast of experts, from survivalists and evolutionary psychologists to clinical psychologists, activists, philosophers, and CIA…
Read MoreMerry 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.…
Read MoreTrish Daly joined Portfolio in 2019 with a focus on narrative and platform-driven nonfiction, especially business and economics, current affairs, big ideas, journalism, and the occasional memoir. She began her career at HarperCollins, where she acquired Margot Lee Shetterly’s Hidden Figures, which was adapted into an Oscar-nominated film, and later worked at Little, Brown with the…
Read MoreBria Sandford joined Portfolio and Sentinel in 2012 and helped launch Thesis in 2022. She has edited twenty New York Times bestsellers, and her authors include Chris Arnade, Michael Lind, Russell Moore, Abigail Shrier, Christine Emba, Nellie Bowles, John McWhorter, Arthur Brooks, Brian Kilmeade, and Oprah Winfrey. She tweets at @blsandford.
Read MoreKimberly Meilun joined Portfolio in 2019 after working in anti-financial crime consulting and criminal defense. She’s interested in acquiring books by leaders who are reforming systems and institutions, prescriptive business and personal development books by female authors with strong voices and points of view, prescriptive and inspirational books by and for ambitious creatives, and idea-driven…
Read MoreMargot Stamas joined Portfolio in 2012. As the Associate Publisher and Director of Publicity and Marketing, Margot is responsible for overseeing the promotional strategy across the Portfolio, Sentinel, and Optimism lists. She has led bestselling campaigns for Sophia Amoruso’s #GIRLBOSS, Marie Forleo’s Everything Is Figureoutable, Cal Newport’s Digital Minimalism, Emily Chang’s Brotopia, Gregory Zuckerman’s The Man Who Solved the Market, and more.
Read MoreTara Gilbride has over 20 years of experience promoting non-fiction authors and their books. As VP, Publicity Director, Associate Director of Marketing, 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.
Read MoreTara Gilbride has over 20 years of experience promoting non-fiction authors and their books. As VP, Publicity Director, Associate Director of Marketing, 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.
Read MoreAdrian 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.
Read MoreNoah joined Portfolio in 2019, focused on business, economics, finance, and politics. His authors run the gamut from economists to entrepreneurs, generals to journalists. He’s especially interested in stories that shine a light on critical but overlooked issues at the intersection of business and society.
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