Portfolio Team

Penguin: Because Reading Matters

Casey Ebro, Executive Editor

Casey joined Portfolio in 2024. A dedicated author advocate, she believes in the power of books to expand minds, transform behavior, and improve both our professional and personal lives. She specializes in prescriptive titles by top experts, thought leaders, and practitioners in the areas of leadership, management, workplace culture, communication, entrepreneurship, innovation, professional development, and…

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Leila Sandlin, Assistant Editor

Leila joined Portfolio in April 2023. She’s excited to acquire and edit idea-driven nonfiction by brilliant thinkers and innovators who change the way we see the world, and to amplify marginalized and underrepresented voices. She graduated from New York University with a BA in linguistics. Before moving to New York, she lived in Jackson Hole,…

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Lydia Yadi, Senior Editor

Lydia loves publishing books for ambitious readers who are curious about how to do their best work and live well. She’s interested in fresh perspectives and prescriptive books on success, careers, female empowerment, psychology, self-help, and entrepreneurship. She also has a soft spot for gripping narratives and memoirs about creative industries like fashion, music, and…

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Megan Wenerstrom, Associate Editor

Megan joined Portfolio in 2022, drawn to big ideas that push boundaries and inspire new perspectives. Her authors span a diverse range of thinkers—entrepreneurs, philosophers, environmentalists, tech experts, activists, and even cowboys —bringing fresh insights to readers. Before publishing, Megan’s career began as a public school teacher, where she cultivated her talent for sparking curiosity and meaningful dialogue.

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Veronica Velasco, Editorial Assistant

Veronica Velasco joined Portfolio in September 2021. She is repeatedly drawn towards nonfiction that aims to help us better connect with each other, professionally and personally, through idea-driven books and compelling narratives. With a particular interest in journalism, politics, psychology, sociology, feminism, and self-help, she is eager to seek out books with stories that aim…

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Megan McCormack, Editor

Megan McCormack joined Portfolio in January 2021. She is interested in prescriptive books that deal with career development, communication, confidence, and personal finance, as well as idea-driven nonfiction which teaches us about the human mind or human behavior in unexpected ways; surprising subcultures; business scandals and corporate underbellies; and the impacts of tech and social…

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Helen Healey-Cunningham, Executive Editor

Since joining Portfolio, Thesis, and Sentinel in 2017, Helen has acquired and edited eight New York Times bestsellers. She gets excited about idea-driven books that offer bold new ways to see the world, especially books that warn of looming dangers, make provocative arguments, meditate on serious issues, and inspire positive change. She has edited a…

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Merry Sun, Editor

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.…

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Trish Daly, Senior Editor

Trish 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…

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Bria Sandford, Executive Editor

Bria joined Portfolio and Sentinel in 2012 and helped launch Thesis in 2022. Her critically acclaimed and bestselling authors include Paul Kingsnorth, Amy Coney Barrett, Arthur Brooks, Peggy Noonan, Michael Lind, Abigail Shrier, and John McWhorter.

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