Question: In what city does Seongho Cha currently dance as a ballet dancer? 

Context paragraphs:
Matteo Vittucci: Matteo Vittucci (1919 – 2011) was an American dancer, choreographer, teacher, and scholar.  He graduated from Cornell University with a B.S. and later received an M.A. in Dance Education from Springfield College.  Having trained at the Metropolitan Opera Ballet School, Matteo (who went by only his first name professionally) began his career as a ballet dancer with the Metropolitan Opera Ballet.  In 1953, he made his first appearance as an ethnic dance soloist - ethnic-dance, rather than ballet, became his area of expertise.  Matteo studied with ethnic-dance experts such as La Meri and went on to study, present, and teach numerous traditional dance forms from nations such as Japan, India, and Spain.  He is the author of "The Language of Spanish Dance: A Dictionary and Reference Manual" as well as "Woods that Dance," a study of the use of castanets.

Ray Barra: Ray Barra (born January 3, 1930) is an American former ballet dancer, a ballet master and ballet director.  He was a soloist with the American Ballet Theatre and a principal dancer of the Stuttgart Ballet, where he created parts in creations by John Cranko, including Romeo in "Romeo and Juliet" with Marcia Haydée as Julia.  After retiring from the stage due to an injury, he worked as a ballet master with the Berlin State Ballet, the ballet of the Frankfurt Opera, the Hamburg Ballet and the Spanish National Dance Company.

David Howard (ballet teacher): David Howard (born David Charles Edwards) (14 June 1937 – 11 August 2013) was an English ballet dancer and teacher, who taught internationally at institutions such as the Royal Ballet, the American Ballet Theatre, San Francisco Ballet, Joffrey Ballet, and the National Ballet of Canada.  Howard opened his popular eponymous dance studio in New York City, the David Howard School of Ballet (later the David Howard Dance Center) in 1977, before its closure in 1995.  His dance center welcomed all students including children, adult beginners and professionals from the Broadway musicals and ballet.  In addition to his teaching, Howard was an expert on the history of the pointe shoe worn by ballet dancers, and a pioneer in their design.

Van Le Ngoc: Van Le Ngoc (Lê Ngọc Vǎn) is a ballet dancer and a choreographer.  Born in Hanoi, Vietnam, he moved to live and study in France in 1996.  From 1996 to 1998, he followed his study to become a ballet dancer at National Superior Conservatory of Music and Dance in Lyon (CNSM).  In September 1998, Van signed his first contract with the Ballet National de Marseille, under the direction of Marie-Claude Pietragalla, Etoile of the Paris Opera Ballet.  Five years later in 2003, he left Ballet National de Marseille to join the English National Ballet in London.

Johan Kobborg: Johan Kobborg (born 5 June 1972) is a Danish ballet dancer, choreographer, director and visual artist.  He is most noted as a ballet dancer, having been a principal dancer with both the Royal Danish Ballet and the Royal Ballet in London, as well as making guest appearances with other ballet companies.  Following his departure from the Royal Ballet in 2013, he became the director of the Romanian National Ballet Company.

Evan McKie: Evan McKie (born April 7, 1983) is a Canadian ballet dancer, writer, and artist.  London's "Dance Europe" Magazine recently stated that McKie's performances are "within the realm of best in the World."  He is a Principal Dancer with the National Ballet of Canada and has the rare opportunity to perform as a guest dancer with companies including the Paris Opera Ballet, Bolshoi Ballet, Mariinsky Ballet and Tokyo Ballet.  In a statement to the The Toronto Star Newspaper, The National Ballet of Canada's Artistic Director, Karen Kain, noted "McKie is one of the finest dancers of his generation."  McKie continues to have very close ties with the Stuttgart Ballet, where he trained and rose through the company's ranks.  He is also a contributor and Advisory Board member for American Dance Magazine and has been a freelance contributor for Canada's National newspaper, The Globe and Mail, often writing preview pieces for upcoming productions.

Ethel Winter: Ethel Winter (June 18, 1924 – March 10, 2012) was an American ballet dancer and dance instructor.  Winter was an early ballet dancer with the Martha Graham Dance Company from the 1940s to the 1960s, working with other notable early members of the company, including Martha Graham, Yuriko, Yuriko, Ethel Butler, Jean Erdman, and Patricia Birch.  She later taught dance and ballet at the Juilliard School.

Henriette Hansen: Henriette Hansen (7 May 1814, in Oslo – 1892 in Oslo), was a Norwegian stage actress, opera singer and ballet dancer.  She belonged to the pioneer generation of the first public theatre in Norway, the theatre of Johan Peter Strömberg in Oslo in 1827.  This being the first public stage in Norway, she may be regarded as the first native professional ballet dancer in Norway: the first ballet dancer in Norway was likely the foreign Madame Stuart.

Shen Yun Performing Arts: Shen Yun Performing Arts is a performing-arts and entertainment company formed in New York City.  It performs classical Chinese dance, ethnic and folk dance, and story-based dance, with orchestral accompaniment and solo performers.  The Shen Yun website translates the phrase "shen yun" as "the beauty of divine beings dancing".

Seongho Cha: Seongho Cha (also known as Jimmy Cha) is a South Korean ballet and classical Chinese dancer currently with the New York-based Shen Yun Performing Arts.  Cha began dancing at the age of 15, and rose to prominence in his home country of South Korea, winning top honors at a national ballet competition, and going on to represent South Korea at the 2006 USA International Ballet Competition, held once every four years in Jackson, Mississippi.

Supporting paragraphs: Seongho Cha Shen Yun Performing Arts
Answer: New York City