Rossier is an award-winning documentary filmmaker and producer whose work explores political power, human rights, and cultural identity. His films often examine controversial public figures and the forces shaping their lives and legacies.

​

His subjects have included former Haitian President Jean-Bertrand Aristide, American scholar Norman Finkelstein, and Nobel Peace Prize laureate F.W. de Klerk. Rossier’s work has been broadcast internationally on PBS, CNN International, Al Jazeera, NHK, Deutsche Welle, and the Hallmark Channel, and screened at major venues and festivals, including the Film Society of Lincoln Center, IDFA, the Brooklyn Academy of Music,  the Sheffield Documentary Festival, and many more. 

​

His most recent film, Angels Unawares, received multiple awards at festivals worldwide. He also served as senior producer on the acclaimed PBS documentary Charlie vs. Goliath, directed by Reed Lindsay. In 2012, the Academy of Motion Picture Arts and Sciences selected his documentary, American Radical, for its permanent film collection. The film received several honors, including the Audience Choice Award at the Chicago Underground Film Festival, the Cinema Politica Audience Award, and the Jean Renoir Award for Best Anti-War Film. His earlier film, Aristide and the Endless Revolution, which examines Haiti’s 2004 coup, won both the Best Documentary and Audience Award at the Pan African Film Festival. Following the film’s success, the late director Michael Apted invited Rossier to join the Directors Guild of America. His work has also received special citations from the City of Los Angeles and the California State Assembly. Rossier was the first filmmaker to interview President Jean-Bertrand Aristide during his exile in South Africa. Over the course of his career, he has conducted more than 100 interviews with global leaders and intellectuals, including Jimmy Carter, F.W. de Klerk, Noam Chomsky, and Dr. Paul Farmer. His documentary Brothers and Others, exploring the impact of 9/11 on Muslim and Arab communities in the United States, aired nationally in primetime on the Hallmark Channel’s Faith & Values series and contributed to testimony before the U.S. Commission on Civil Rights. His work has been praised by critics in The New York Times, Variety, The Los Angeles Times, and The Forward, as well as by acclaimed filmmakers including Michael Moore, Albert Maysles, and Mark Achbar.

​

Before moving to New York, Rossier pursued a career in finance in Europe. He studied at the Graduate Institute of International and Development Studies in Geneva, where he received an M.A. in International Relations. He later studied film production and theater at the Lee Strasberg Theatre and Film Institute and the School of Visual Arts in New York.  Rossier has spoken at institutions including Stanford University Documentary School, the Schomburg Center for Research in Black Culture, and the Asia Society. He is the founder of the Swiss American Film Festival at the Swisspeaks Festival and has received support from the North Star Fund, the New York State Council on the Arts, and the Schwab Charitable Fund.

He lives in Brooklyn with his family.