About Us
Claudia Tomassini, born in Rome but based in Berlin since 1996, has been active in film PR for more than 20 years, working on more than 200 films as an international publicist, running global award campaigns/launches, and collaborating with high-profile directors in both fiction and documentary. In 2006, she founded the claudiatomassini + associates.
Claudia is a member of the Academy of Motion Picture Arts and Sciences, the European Film Academy, and the Accademia del Cinema Italiano David di Donatello.
Claudia started working on international Academy Awards© campaigns with CITIZENFOUR in 2015. Over the years, she has worked on numerous campaigns, most recently for films such as ANORA, NO OTHER LAND, FLOW, THE GIRL WITH THE NEEDLE, THE SEED OF THE SACRED FIG, BLACK BOX DIARIES, SUGARCANE, 20 DAYS IN MARIUPOL, NAVALNY, SUMMER OF SOUL and consulted for streamers and big studios.
Selected recent international launches at festivals include Palme d'Or winners IT WAS JUST AN ACCIDENT by Jafar Panahi (2025), ANATOMY OF A FALL by Justine Triet (2023) and TITANE by Julia Ducournau (2021). Other award-winning films she represented at Cannes 2025 include SENTIMENTAL VALUE by Joachim Trier (Grand Prix), THE SECRET AGENT by Kleber Mendonça Filho (Best Director and Best Actor), THE LITTLE SISTER by Hafsia Herzi (Best Actress), SOUND OF FALLING by Mascha Schilinski (Jury Award) and RESURRECTION by Bi Gan (Special Jury Award).
Top prizes at other festivals include MEMORY by Michel Franco (Best Actor, Venice 2024), VERMIGLIO (Grand Jury Prize, Venice 2024), APRIL by Dea Kulumbegashvili (Jury Prize, Venice 2024), ALL THE BEAUTY AND THE BLOODSHED by Laura Poitras (Golden Lion, Venice 2022), Mati Diop’s DAHOMEY (Golden Bear, Berlinale 2024), Carla Simón's Golden Bear winner ALCARRÀS (2022); Claire Denis' FIRE (Silver Bear for Best Director Berlinale 2022) as well as Mohammad Rasoulof's Golden Bear winner THERE IS NO EVIL (Berlinale 2020).
Carsten Siebert started his collaboration with Claudia Tomassini in the late 1990s. Together, they have worked on PR and related issues for numerous films at most of the big international festivals. Their collaboration continues to this day, in parallel with his other professional assignments. He is a member of the European Film Academy.
From 2009 to 2024, Carsten was Chancellor and Managing Director of the Barenboim-Said Akademie, a Berlin-based foundation that supports several music- and education-related projects with a focus on Israel and Palestine.
From 2004 to 2009, Carsten was the Executive Director of the Byrd Hoffman Water Mill Foundation, a nonprofit organization that operates the Watermill Center on the East End of Long Island, an interdisciplinary international laboratory for performance. He also was the Managing Director of RW Works, Ltd, the entity organizing Wilson’s creative work. He remains a trustee of the Robert Wilson Stiftung.
From 1999 to 2004, he worked for the international management consulting firm McKinsey & Company, specializing in public sector, media, and telecommunication clients. He advised many cultural institutions from film festivals and museums to opera houses and orchestras. Thematically, his focus lay on post merger management for multinational companies and internal and external corporate communications.
Carsten studied philosophy and English and German Literatures in Munich, Berlin, and Philadelphia. After a short stint at the United Nations in New York, he returned to academia, receiving a Ph.D. in philosophy from the Humboldt University in Berlin in 1998 where he taught until 1999.
He regularly teaches arts and non-profit administration, e.g. at the University of St. Gallen, the University of Zurich, Science-Po, the Accademia alla Scala, and Leuphana University Lüneburg. In addition to his academic publications, he has written articles on a wide range of topics, including winning strategies for print publishers, Italian movies of the 1990s, and the influence of modes of presentation on the way we think. He has been a member of many panels or juries, e.g. at the literature festival steirischer herbst, Austria, or the Hamptons International Film Festival, USA.