Question: Who was the director of the 2015 French-Belgian drama-thriller film in which Matthias Schoenaerts portrayed an ex-soldier suffering from PTSD?

Context paragraphs:
Kursk (film): Kursk is an upcoming English-language French-Belgian drama film directed by Thomas Vinterberg based on Robert Moore’s book "A Time to Die", about the true story of the 2000 Kursk submarine disaster.  It stars Matthias Schoenaerts, Colin Firth, Léa Seydoux, Peter Simonischek, Max von Sydow, Matthias Schweighöfer and Michael Nyqvist (in his final film role).

The Drop (film): The Drop is a 2014 American crime drama film directed by Michaël R. Roskam, from a screenplay written by Dennis Lehane.  The film is based on Lehane's 2009 short story "Animal Rescue".  Lehane also adapted the script into a 2014 novel of the same name.  The film stars Tom Hardy, Noomi Rapace and James Gandolfini, with Matthias Schoenaerts, John Ortiz and James Frecheville in supporting roles.  It was screened in the Special Presentations section of the 2014 Toronto International Film Festival, and was released theatrically on September 12, 2014.

Disorder (2015 film): Disorder (French: Maryland ) is a 2015 French-Belgian drama-thriller film directed by Alice Winocour about a home invasion, starring Matthias Schoenaerts as an ex-soldier with PTSD.  It was screened in competition in the Un Certain Regard section at the 2015 Cannes Film Festival.

The Night Watchman (2015 film): The Night Watchman (French title: Jamais de la vie) is a 2015 French-Belgian thriller film directed by Pierre Jolivet.  The film revolves around Franck, a shopping mall night watchman, who discovers a planned holdup at the mall.  The film won the Golden Goblet Award for Best Feature Film at the 2015 Shanghai International Film Festival.

Suite Française (film): Suite Française is a 2015 British-French-Belgian romantic World War II drama film directed by Saul Dibb and co-written with Matt Charman.  It is based on the second part of Irène Némirovsky's 2004 novel of the same name.  The film stars Michelle Williams, Kristin Scott Thomas, Matthias Schoenaerts, Sam Riley, Ruth Wilson, Lambert Wilson and Margot Robbie.  It concerns a romance between a French villager and a German soldier during the early years of the German occupation of France.  "Suite Française" was filmed on location in France and Belgium.  It was released theatrically in the UK on 13 March 2015 and will premiere in the US through Lifetime cable network on 22 May 2017.

A Little Chaos: A Little Chaos is a 2014 British period drama film directed by Alan Rickman.  The story was conceived by Allison Deegan and she co-wrote the screenplay along with Rickman and Jeremy Brock.  The film stars Kate Winslet, Matthias Schoenaerts, Alan Rickman, Stanley Tucci, Helen McCrory, Steven Waddington, Jennifer Ehle and Rupert Penry-Jones.  The film was financed by the Lionsgate UK and produced by BBC Films.  It was the second film directed by Rickman, after his 1997 directorial debut "The Winter Guest".  It was the second collaboration of Rickman and Winslet after their 1995 film "Sense and Sensibility".  Production took place in London in mid 2013.  The film had its world premiere at the 2014 Toronto International Film Festival as the closing night film on 13 September 2014.

Matthias Schoenaerts: Matthias Schoenaerts (] ; born 8 December 1977) is a Belgian Flemish actor, film producer and graffiti artist.  He made his film debut at the age of 13 in "Daens" (1992), which was nominated for the Academy Award for Best Foreign Language Film.  He is best known for his roles as Filip in "Loft" (2008), Jacky Vanmarsenille in the Oscar-nominated "Bullhead" (2011), Ali in the BAFTA and Golden Globe-nominee "Rust and Bone" (2012), for which he won the César Award for Most Promising Actor, Eric Deeds in "The Drop" (2014), Bruno von Falk in "Suite Française" (2015), Gabriel Oak in "Far from the Madding Crowd" (2015) and Hans Axgil in "The Danish Girl" (2015).  Schoenaerts received critical acclaim for his portrayal of an ex-soldier suffering from PTSD in "Disorder" (2015).

The Danish Girl (film): The Danish Girl is a 2015 romantic drama film directed by Tom Hooper, based on the 2000 fictional novel of the same name by David Ebershoff and loosely inspired by the lives of Danish painters Lili Elbe and Gerda Wegener.  The film stars Eddie Redmayne as Elbe, one of the first known recipients of sex reassignment surgery, Alicia Vikander as Wegener and Sebastian Koch as Kurt Warnekros, with Ben Whishaw, Amber Heard and Matthias Schoenaerts in supporting roles.

Far from the Madding Crowd (2015 film): Far from the Madding Crowd is a 2015 British romantic drama film directed by Thomas Vinterberg and starring Carey Mulligan, Matthias Schoenaerts, Michael Sheen, Tom Sturridge and Juno Temple.  It is an adaptation of the 1874 novel of the same name by Thomas Hardy, the fourth time this novel has been filmed.

A Bigger Splash (film): A Bigger Splash is a 2015 English-language Italian-French psychological thriller drama film directed by Luca Guadagnino and written by Alain Page and David Kajganich, based on the film "La Piscine".  The film stars Tilda Swinton, Matthias Schoenaerts, Ralph Fiennes and Dakota Johnson.  The film was named after David Hockney's 1967 painting of the same title.  It competed for the Golden Lion at the 72nd Venice International Film Festival.

Supporting paragraphs: Matthias Schoenaerts Disorder (2015 film)
Answer: Alice Winocour