Question: Who was the director of the film with which Alex Ebert won the Golden Globe Award for Best Original Score for his musical score to the film?

Context paragraphs:
Golden Globe Award for Best Original Score: The Golden Globe Award for Best Original Score is one of several categories presented by the Hollywood Foreign Press Association (HFPA), an organization of journalists who cover the United States film industry, but are affiliated with publications outside North America, since its institution in 1947.  Since the 5th Golden Globe Awards (1947), the award is presented annually, except from 1953 to 1958.  The nominations from 1947 and 1948 are not available.  The first Golden Globe Award for Best Original Score went to Max Steiner for his compositional work on "Life with Father".

Heaven &amp; Earth (soundtrack): Heaven & Earth is the official soundtrack to the 1993 Golden Globe-winning film of the same name directed by Oliver Stone, with the original score composed by Japanese composer Kitaro.  The score won a Golden Globe Award for Best Original Score.

Scarface (soundtrack): Scarface: Music from the Original Motion Picture Soundtrack is the soundtrack album featured on the 1983 American crime film, "Scarface", which was directed by Brian De Palma.  Composed by Italian record producer Giorgio Moroder, the vinyl soundtrack was released on December 9 of the same year through MCA Records.  The album features music created by Moroder, who wrote and produced all of the tracks.  "Scarface" counts with the collaboration of multiple singers, including Paul Engemann in the track "Scarface (Push It to the Limit)", Debbie Harry in "Rush Rush", and Amy Holland in "She's on Fire" and "Turn Out the Night", among other artists.  The soundtrack received a Golden Globe Award nomination for Best Original Score at the 41st Golden Globe Awards.

All Is Lost: All Is Lost is a 2013 survival drama film written and directed by J. C. Chandor.  The film stars Robert Redford as a man lost at sea.  Redford is the only cast member, and the film has very few spoken words.  "All Is Lost" is Chandor's second feature film, following his 2011 debut "Margin Call".  It screened out of competition at the 2013 Cannes Film Festival.

Antonio Sánchez (drummer): Antonio Sánchez (born on November 1, 1971) is a Mexican-American jazz drummer.  In 2014, his popularity increased when he composed an original film score for the film "Birdman", directed by Alejandro G. Iñárritu.  The soundtrack album was released on October 14, 2014.  The score earned him a nomination for the Golden Globe Award for Best Original Score and BAFTA Award for Best Film Music; he won the Critics' Choice Movie Award for Best Score and Satellite Award for Best Original Score.

Alex Ebert: Alexander Michael Tahquitz "Alex" Ebert (born May 12, 1978) is an American singer-songwriter and composer.  He is best known for being the lead singer and songwriter for the American bands Ima Robot and Edward Sharpe and the Magnetic Zeros.  On January 12, 2014, Ebert won the Golden Globe Award for Best Original Score for his musical score to the film "All Is Lost" (2013).

My Kind of Town: "My Kind of Town" or "My Kind of Town (Chicago Is)" is a popular song composed by Jimmy Van Heusen, with lyrics by Sammy Cahn.  It was originally part of the musical score for "Robin and the 7 Hoods", a 1964 musical film starring several members of the Rat Pack.  It was nominated for the 1964 Academy Award for Best Original Song but lost to "Chim Chim Cher-ee" from "Mary Poppins".  Although the song predated the Grammy Award Best Original Song for a Motion Picture category, the entire score was nominated for the 1964 Grammy Award in the category Best Original Score Written for A Motion Picture, but it lost to the eponymously titled "Mary Poppins" score.

Nicholas Britell: Nicholas Britell (born 1980) is an American composer, pianist, and film producer based in New York City.  He was nominated for the Academy Award for Best Original Score and Golden Globe Award for Best Original Score for the film "Moonlight" (2016).

The Little Mermaid (soundtrack): The Little Mermaid: Original Walt Disney Records Soundtrack is the soundtrack to the 1989 Disney animated feature film, "The Little Mermaid".  It contains the songs from the film written by Alan Menken and Howard Ashman, as well as the film's score composed by Alan Menken.  The score was orchestrated by Thomas Pasatieri.  The album has achieved multi-platinum sales and won the Grammy Award for Best Recording for Children.  The album includes recordings of the music that won the Grammy for Best Instrumental Composition Written for a Motion Picture or for Television ("Under the Sea"), the Academy Awards for Best Original Score and Best Original Song ("Under the Sea") and the Golden Globe Award for Best Original Score.

A Walk in the Clouds (soundtrack): A Walk in the Clouds is the original soundtrack recording of the 1995 Golden Globe-winning film "A Walk in the Clouds" starring Keanu Reeves, Aitana Sánchez-Gijón, Anthony Quinn, Giancarlo Giannini and Debra Messing.  Released on the Milan Records label, the original score and songs were composed by Maurice Jarre except "Crush the grapes" and the famous "Mariachi Serenade", that were composed by Leo Brouwer (music) and Alfonso Arau (lyrics).  The film won the Golden Globe Award for Best Original Score.

Supporting paragraphs: Alex Ebert All Is Lost
Answer: J. C. Chandor.