Question: Who founded the record company that Hopsin was signed to in 2007?

Context paragraphs:
SwizZz: Justin Ritter (born September 28, 1987), better known by his stage name SwizZz, is an American rapper.  He is best known for significantly collaborating with childhood friend Hopsin, and being signed to their record label Funk Volume, which was co-founded by Hopsin, himself, and his older brother Damien "Dame" Ritter.  He has released various mixtapes including "Haywire" with Hopsin, and "Good Morning SwizZzle".  He is currently working on his untitled debut studio album.

Motown: Motown is an American record company.  The record company was founded by Berry Gordy Jr. as Tamla Records on January 12, 1959, and was incorporated as Motown Record Corporation on April 14, 1960, in Detroit, Michigan.  The name, a portmanteau of "motor" and "town", has also become a nickname for Detroit.  Motown played an important role in the racial integration of popular music as an African American-owned record label that achieved significant crossover success.  In the 1960s, Motown and its subsidiary labels (including Tamla Motown, the brand used outside the US) were the most successful proponents of what came to be known as the Motown Sound, a style of soul music with a distinct pop influence.  During the 1960s, Motown achieved spectacular success for a small record company: 79 records in the Top Ten of the "Billboard" Hot 100 record chart between 1960 and 1969.

Cardiant: Cardiant is a Finnish heavy metal band.  It was established in city of Hämeenlinna in 2000, but most of band members have been replaced and the current assembly has been working since 2008.  In the early years, the band recorded several demos until the it signed a contract with the record company Underground Symphony.  The first album, Midday Moon, was released in 2005, but the record company did not released it in Europe.  However, other record company, Marquee/Avalon, released it in Japan.

Funk Volume: Funk Volume was an American independent record label.  It was founded by American rapper Hopsin.  The label was home to additional artists Dizzy Wright, Jarren Benton, SwizZz, and producers DJ Hoppa and Kato.  The label is defunct due to a feud between co-founders Marcus "Hopsin" Hopson and Damien "Dame" Ritter regarding financial alterations.  Following the feud, and the leaving of Hopsin, all affiliated artists left Funk Volume and the label was shut down soon after.

Dizzy Wright: La'Reonte Wright (born November 26, 1990) is an American rapper better known by his stage name Dizzy Wright.  In December 2011, Wright signed to rapper Hopsin's independent record label Funk Volume.  After signing he released his debut studio album "SmokeOut Conversations" in April 2012.  He followed that with "The First Agreement" in December of that year, and then a mixtape "The Golden Age" in August 2013.  Following touring with Hopsin in early 2014, Dizzy Wright released "State of Mind", an EP that would peak at number 54 on the "Billboard" 200.  On May 22, 2015, He released his second full-length studio album "The Growing Process" which peaked at number 47 on the Billboard 200.

Gallo Record Company: Gallo Record Company is the largest (and oldest independent) record label in South Africa.  It is based in Johannesburg, South Africa, and is owned by Times Media Group (formerly Johnnic Communications and Avusa).  The current Gallo Record Company is a hybrid of two rival South African record labels between the 1940s and 1980s: the original Gallo Africa (1926–85) and G.R.C. (Gramophone Record Company, 1939–85).  In 1985 Gallo Africa acquired G.R.C.; as a result, Gallo Africa became known as "Gallo-GRC".  Five years after the acquisition, the company was renamed "Gallo Record Company".

Cora E.: Cora E. (born 1968 in Kiel, Germany as Sylvia Macco) is a former nurse turned hip-hop artist who emerged in the early underground German hip hop culture.  At the time that she came to prominence, she was not only one of the originators, but she was also one of the few females in the industry.  She was one of the very few old-school acts to be taken on by a major record label after she released two singles with Buback record company.  She wrote her own lyrics, and worked independently.  Many pegged her as a rapper but she called herself a "hip hopper."  Despite this, she and another traditionalist group Advanced Chemistry insisted that rap and hip-hop are inseparable.  The social criticisms based on personal experience in her music link her to other Hip-Hop artists in Germany, such as Advanced Chemistry.  Her old school sound interested EMI; they signed her and another female artist, Tic Tac Toe.  She had success with the record company and her first single "Schlüsselkind" (Latchkey Kid) was a hit.

Kato (producer): Kato (born Christopher Ju, December 25, 1986) is an American record producer.  Originally hailing from Fairfax, Virginia, in 2006, he moved to Atlanta where he currently resides.  Notable artists he has worked with includes Dizzy Wright, Hopsin, Jarren Benton, Roscoe Dash, Rittz, Lil' Scrappy, Kalenna (Diddy Dirty Money), as well as numerous upcoming independent artists like Dumbfoundead, and Jarren Benton.  His name 'Kato' comes from the 1960s television show The Green Hornet, where Bruce Lee plays the role of Kato.  In September 2013, he signed with American rapper Hopsin's record label Funk Volume as an in-house producer.

Hopsin: Marcus Jamal Hopson (born July 18, 1985), better known by his stage name Hopsin, is an American rapper, record producer, director and actor from Los Angeles, California.  In 2007, he was signed to Ruthless Records, and had founded his own record label, Funk Volume, in 2009.  He would then go on to found another record label, Undercover Prodigy, in 2016.  Hopsin has released four studio albums, "Gazing at the Moonlight" through Ruthless Records, "Raw", "Knock Madness" and "Pound Syndrome" along with the collaborative project Haywire (with SwizZz) through Funk Volume.  He is well known for his use of white colored eye contacts in music videos, performances, and interviews.

Ruthless Records: Ruthless Records is an American record label, founded by Eazy-E and Dr.Dre.  The record label was founded in Compton, California in 1986.  The label's acts over the years have earned RIAA certifications of Platinum or higher on 15 of its released albums, including releases by N.W.A, Eazy-E, MC Ren, The D.O.C., Michel'le, J.J.Fad and Bone-Thugs-n-Harmony.

Supporting paragraphs: Hopsin Ruthless Records
Answer: Eazy-E and Dr.Dre