Question: Which director is from the United States, Mihai Timofti or Melvin Van Peebles?

Context paragraphs:
Mario Van Peebles: Mario Van Peebles (born 1957) is an American film director and actor best known for directing "New Jack City" in 1991.  He is the son of actor and filmmaker Melvin Van Peebles, whom he portrayed in the 2003 biopic "Baadasssss! " that he also co-wrote and directed.

Sweet Sweetback's Baadasssss Song (soundtrack): Sweet Sweetback's Baadasssss Song is the soundtrack to Melvin Van Peebles' 1971 film "Sweet Sweetback's Baadasssss Song".  The score was written by Van Peebles and performed by Earth, Wind & Fire.  The soundtrack was ranked number 32 on "Mojo" Magazine's "MOJO 1000 - The Ultimate CD Buyers Guide" in the category soundtracks.

Melvin Van Peebles: Melvin "Block" Van Peebles (born August 21, 1932) is an American actor, director, screenwriter, playwright, novelist and composer.

Ghetto Gothic: Ghetto Gothic is the fifth studio album by Melvin Van Peebles.  Released in 1995, this album marks the second traditional music effort by Van Peebles, after "What the...You Mean I Can't Sing?! " Previously, Van Peebles released the experimental spoken word albums "Brer Soul", "Ain't Supposed To Die a Natural Death" and "As Serious as a Heart-Attack".

As Serious as a Heart-Attack: As Serious As A Heart-Attack is a 1971 spoken word album by Melvin Van Peebles.  This is Van Peebles third studio record.  The album's cover can be briefly glimpsed on the bathroom door in the 1973 film version of Van Peebles' musical "Don't Play Us Cheap".

Baadasssss!: Baadasssss!  is a 2003 American biopic, written, produced, directed by, and starring Mario Van Peebles.  The film is based on the struggles of Van Peebles' father Melvin Van Peebles (played by Mario himself), as he attempts to film and distribute "Sweet Sweetback's Baadasssss Song", a film that was widely credited with showing Hollywood that a viable African-American audience existed, and thus influencing the creation of the Blaxploitation genre.  The film also stars Joy Bryant, Nia Long, Ossie Davis, Paul Rodriguez, Rainn Wilson, and Terry Crews.

Confessionsofa Ex-Doofus-ItchyFooted Mutha: Confessionsofa Ex-Doofus-ItchyFooted Mutha is a 2008 film by Melvin Van Peebles.  Based on Van Peebles' 1982 Broadway musical "Waltz of the Stork", the film was screened at the Tribeca Film Festival in April 2008 and was the Closing Night feature within Maryland Film Festival in May 2008.  Van Peebles plays the film's main character from boyhood to age 47.

Mario's Green House: Mario's Green House was an 8-episode 2009 television series on TV One starring Mario Van Peebles.  The series was an environmentally conscious reality television show, in which Van Peebles made his house 'greener'.  The series also starred Melvin Van Peebles, who required his own room for entertaining female guests.  Ed Begley, Jr. was involved in the production.

Mihai Timofti: Mihai Timofti - Master of Arts (born September 19, 1948) is a director, actor, musician and professor from Chisinau.

What the....You Mean I Can't Sing?!: What the...You Mean I Can't Sing?!  is the fourth studio album by Melvin Van Peebles.  Released in 1974, this album marks the first traditional music effort by Van Peebles.  Previously, Van Peebles released the experimental spoken word albums "Brer Soul", "Ain't Supposed to Die a Natural Death" and "As Serious as a Heart-Attack".

Supporting paragraphs: Mihai Timofti Melvin Van Peebles
Answer: Melvin "Block" Van Peebles