Question: Are Ulrich Seidl and Amir Naderi both directors ?

Context articles: Ulrich Seidl
Irene Zazians
Paradise trilogy
Amir Naderi
Dog Days (2001 film)
A, B, C... Manhattan
Paradise: Love
The Runner (1985 film)
Tangna
Firooz Malekzadeh

Ulrich Maria Seidl (born 24 November 1952 in Vienna) is an Austrian film director, writer and producer.
 In 2005 he was a member of the jury at the 27th Moscow International Film Festival.
Irene Zazians (Armenian: Իրեն Զազյանց ; Persian: ایرن زازیانس‎ ‎ ; August 20, 1927 — July 28, 2012), best known as Iren in Iran, was an Iranian-Armenian actress.
 She cooperated with some famous Iranian new wave directors in Iran, both before and after 1979 revolution such as Samuel Khachikian, Amir Naderi, Nosrat Karimi, Masoud Kimiyayi, and Alireza Davood Nejad.
 Her two films after the revolution were banned, The Red Line directed by Kimiyayi and The Reward by Davood Nejad.
Paradise (German: Paradies ) is the collective name of three films directed by Ulrich Seidl: "" (2012), "" (2012) and "" (2013).
 They focus on three women from one family; one of them travels to Kenya as a sex tourist, one has to spend time at a weight loss camp, and one tries to propagate Catholicism.
 The project is an Austrian majority production with co-producers in Germany and France.
 It was conceived as one feature film, but after a long gestation became three entries forming a trilogy.
 The first installment, "", competed for the Palme d'Or at the 2012 Cannes Film Festival.
 Seidl originally planned to premiere all three films at the same event, but after the Cannes selection decided to roll out parts two and three, "" and "", at other major film festivals.
 The individual films are named after the three theological virtues, and focus on how the protagonists conceive their view of paradise.
Amir Naderi (Persian: امیر نادری‎ ‎ , born 15 August 1946 in Abadan) is an Iranian film director, screenwriter, and photographer.
 He is best known for "The Runner" and "Vegas: Based on a True Story".
Dog Days (German: Hundstage ) is a 2001 Austrian feature film directed by Ulrich Seidl.
 It is characterized by a disturbing naturalistic style which is a trademark of Seidl's directing.
 The film stars a mix of professional and amateur actors and it became mildly controversial for its depiction of unsimulated sex.
A, B, C..
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 Manhattan is a 1997 American drama film directed by Amir Naderi.
 It was screened in the Un Certain Regard section at the 1997 Cannes Film Festival.
Paradise: Love (German: Paradies: Liebe ) is a 2012 drama film directed by Ulrich Seidl.
 It tells the story of a 50-year-old white woman who travels to Kenya as a sex tourist.
 The project is an Austrian production with co-producers in Germany and France.
 It is the first installment in Seidl's Paradise trilogy, a project first conceived as one film with three parallel stories.
The Runner (Persian: "Davandeh" دونده ) is a 1985 film by Amir Naderi, one of the major directors of Iranian cinema before and after the Iranian Revolution.
Tangna is a 1973 Iranian film directed by Amir Naderi.
 It was Naderi's second movie.
 The actors were Saeed Rad, Noori Kasrai, Enayat Bakhshi, Mohammad Eskandari and Mehri Vadadian.
Firooz Malekzadeh (Persian: فیروز ملک‌زاده‎ ‎ ) was one of Iran's top cinematographers in the 1970s and 1980s.
 He has worked on over 50 films in Iran with many respected directors including Bahram Beizai, Abbas Kiarostami and Amir Naderi.