Angelina Lippert is the executive director and curator of Poster House in New York City, the first museum in the United States dedicated to the art and history of the poster. She holds an MA in the art of the Russian Avant-Garde from the Courtauld Institute of Art in London, and a BA in theology and art history from Smith College. She is the author of The Art Deco Poster, co-author of Wonder City of the World: New York City Travel Posters and Art for Art House: The Posters of Peter Strausfeld , and has contributed essays to Poster Cult on the letterpress designer Dafi Kühne, Steve Heller''s The Education of a Design Writer , and 150 Stories by the Art Students League. She is a prolific lecturer and was a recipient of the Emily Hall Tremaine Journalism Fellowship for Curators through Hyperallergic . René Grohnert studied museology in Leipzig and art history in Halle/Saale. He worked as the curator of the poster collection of the Museum for German History/German Historical Museum, including looking after the Sachs collection, and is the author of the work Hans Sachs and His Poster Collection , together with Hellmut Rademacher, the curator of the exhibition Art! Commerce! Visions! German posters 1888-1933 at the German Historical Museum in Berlin. He is the coeditor of the magazine PlakatJournal, and from 2005 to 2024 he was the director of the German Poster Museum in the Museum Folkwang in Essen where he curated numerous poster exhibitions, including Zeitzeiger: Posters from Two Centuries (2007), Theater for the Street--Posters for the Theater (2014), Attacks from ''Over There'': GDR posters 1949-1990 (with Sylke Wunderlich, 2015), We Want You! From the Beginnings of the Poster to Today (2022), and Distant Countries, Distant Times: Posters as a Space of Longing (2024). Together with Karl Lagerfeld, he was the editor of Advertising: Early Advertising on Posters (2012).

Born in Paris, Daniel Levy launched Illustraction Gallery in New York City in 2011 after working for 15 years as an international marketing executive in the music industry. He was brought up in an artistic milieu, and collecting has been one of his main passions since his youth, when he began acquiring American comic books and psychedelic concert posters. The gallery has an inventory of some 20,000 posters from all over the world with a special focus on movie posters (mainly from Europe and Japan), as well as travel posters and posters related to comic books. There is also an exhaustive selection of concert posters, including the largest holdings of work by Gunther Kieser outside Germany. Ted Bahr missed the 1967 Summer of Love in San Francisco but has made up for it by becoming a dedicated historian of the period and a major collector of psychedelic posters. He retired from a career in business-to-business media in 2017 and began to expand the collection in earnest. In 2018, he opened the Bahr Gallery in Oyster Bay, New York, dedicated to vintage first-printing psychedelic rock posters. Pieces from Bahr''s collection have been shown at the New York Historical, the Nassau County Art Museum, and the Narrows Center for the Arts in Fall River, Massachusetts.

He has lectured at Nassau County Museum of Art, the Narrows Center, and Poster House in New York City. He is currently working on a documentary titled San Francisco''s Big Five and the Psychedelic Poster Revolution that is scheduled for release in early 2027--the 60th anniversary of the Summer of Love. Michael Bierut is a designer, teacher, writer, and partner in the New York office of the international design firm Pentagram. He is the author of Now You See It and Other Essays on Design (Princeton Architectural Press, 2018) and How to Use Graphic Design to Sell Things, Explain Things, Make Things Look Better, Make People Laugh, Make People Cry, and (Every Once in a While) Change the World (Thames & Hudson, 2021).