Sentinel Team

Penguin: Because Reading Matters

Lauren Ball, Publicist

Lauren joined Portfolio in January 2023 after working in the self-publishing and music industries. She is passionate about discovering ways to connect books with their readers and has worked with multiple New York Times bestselling titles including Ethan Mollick’s Co-Intelligence and Vivian Tu’s Rich AF.

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Daniel Marx, Publicity Assistant

Daniel Marx joined the Portfolio, Sentinel, Optimism Press, and Thesis imprints as a Publicity Assistant in 2024. With a particular interest in nonfiction, Daniel loves working on titles that explore themes of race, class, global politics, and economics. Prior to joining the Publicity team, Daniel taught English in Paris and earned a master’s degree from…

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Catherine Morrissette, Publicity Assistant

Catherine Morrissette joined Portfolio in 2024 as a publicity assistant. She is passionate about books that challenge the status quo, encourage readers to think beyond themselves, and subject matters related to international affairs, business, psychology, and technology. Originally from Maine, she is a graduate of the Columbia Publishing Course and Brown University with degrees in…

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Heather Faulls, Senior Marketing Manager

Heather Faulls joined Portfolio in 2021, bringing with her over 10 years of publishing experience. She thrives in dynamic environments where creativity and strategy combine to captivate audiences and elevate brand stories. She has led bestselling campaigns for the #1 New York Times bestseller Algebra of Wealth and national bestsellers like Choose Your Enemies Wisely…

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Kirstin Berndt, Senior Publicity Manager

Kirstin Berndt joined Penguin Random House in 2021. As Senior Publicity Manager, Kirstin has led bestselling campaigns for the #1 New York Times bestseller Algebra of Wealth; Power Failure; Unreasonable Hospitality; and more. Previously, she worked with an impressive range of authors, including David Rubenstein, Lulu Miller, Twyla Tharp, and Sebastian Junger. Before her career in publishing, Kirstin…

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Mary Kate Rogers, Associate Marketing Director

Mary Kate Rogers joined Portfolio in 2018. As Associate Marketing Director, Mary Kate oversees day-to-day marketing operations across Portfolio, Sentinel, Thesis, and Optimism lists. She has led New York Times bestselling campaigns for Build the Life You Want by Arthur Brooks and Oprah Winfrey; Unreasonable Hospitality by Will Guidara; Slow Productivity by Cal Newport; and many more.

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Bridget Sjoberg, Marketing Assistant

Bridget joined Portfolio in 2023 after graduating with an MA in English literature from New York University. She loves to help craft pre-order initiatives that are specific to each author’s unique audience, and enjoys handling social media engagement and influencer analytics for the imprint. Bridget is interested in books featuring unconventional success stories, psychology, religion, and the environment.…

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Savana Bishop, Marketing Associate

Savana joined Portfolio in May of 2022 and brings a passion for connecting readers to books they’ll love. She enjoys championing bold, idea-driven books that challenge and inspire. Savana has worked with a diverse group of authors including John Lovell, Coleman Hughes, Benji Backer, and Tessa West. She recently led marketing efforts for the instant…

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Jackie Galindo, Marketing Associate

Jackie Galindo joined Portfolio in May 2022, bringing a robust background in digital marketing and a vibrant Texan spirit. A UT Austin graduate, she honed her skills at the University of Texas Press, working with a diverse range of books. Passionate about diverse, thought-provoking titles, Jackie has played a key role in propelling New York…

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Stefanie Rosenblum Brody, Assistant Publicity Director

Stefanie Brody joined Portfolio in 2013. Over the last decade she has led campaigns for notable authors such as Ryan Holiday, Morgan Housel, Katy Milkman, Jennifer Breheny Wallace, and others. She is passionate about working closely with authors to develop strategic publicity campaigns that leverage their platforms, grow their tribes, and help their books find…

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