Question: Who is Yulia Zagoruychenko's dance partner?

Context paragraphs:
Riccardo Cocchi: Riccardo Cocchi (born December 7, 1977, Terni, Italy) is a six-time Latin Dance Champion, with his partner, Yulia Zagoruychenko.  Currently, he resides in and represents the United States of America.  When not busy competing, Riccardo is available for coaching.

Yvonne Marceau: Yvonne Marceau is an American ballroom dancer, choreographer, and instructor.  She was born in Chicago, IL, and holds a B.F.A. from the University of Utah as well as an associate degree from the Imperial Society of Ballroom Dance.  In 1984, Marceau co-founded American Ballroom Theater with her dance partner, Pierre Dulaine.  Together, Marceau and Dulaine won numerous ballroom dance contests and were four-time winners of the British Exhibition ballroom competition.  Marceau is the recipient of various awards, including the Astaire Award and the Dance Magazine Award.  Along with Dulaine, Marceau co-founded the Ballroom Theater’s Dancing Classrooms program, which is featured in the documentary Mad Hot Ballroom.  Marceau has been on the faculty at The Juilliard School since 1993 and has taught at the School of American Ballet as well as for numerous New York City social groups, including the Union Club and cotillion societies.  Marceau also currently teaches at the NYU Tisch New Studio on Broadway.

Taxi dancer: A taxi dancer is a paid dance partner in a partner dance.  Taxi dancers are hired to dance with their customers on a dance-by-dance basis.  When taxi dancing first appeared in taxi-dance halls during early 20th-century America, male patrons would buy dance tickets for ten cents each.

Vicky Rodewyk: Vicky Rodewyk (born 20 November 1988) is an actress, photographic model and dancer from New Zealand.  She has appeared in various TV commercials and shows, such as Barney, Shortland Street and an episode of Cloud 9's series "Revelations – The Initial Journey".  Vicky is best known for playing the role of moaning air-head Gel in the Cloud 9 produced TV series The Tribe.  She was one of 5 new main characters introduced to the fifth and final series of the show.  Vicky has also appeared on the ABC TV produced TV show Strictly Dancing with dance partner Sean Patterson, where she revealed she hadn't considered dance until she was introduced into it through a program at school.  In 2008, Vicky appeared in the hit show playing a minor role, the character Gabby, a dance student.  She featured in episode 23, 'Fear and Phantoms'.

Barbara Craddock: Barbara Craddock (May 18, 1940 - January 20, 2015) was an American professional dancer and choreographer specializing in Latin dance and an internationally accredited dance competition judge.  She was the dance partner and manager of Pedro "Cuban Pete" Aguilar for 11 years until his death in 2009.

Saturday Night Fever: Saturday Night Fever is a 1977 American musical drama film directed by John Badham.  It stars John Travolta as Tony Manero, a working-class young man who spends his weekends dancing and drinking at a local Brooklyn discothèque; Karen Gorney as Stephanie Mangano, his dance partner and eventual confidante; and Donna Pescow as Annette, Tony's former dance partner and would-be girlfriend.  While in the disco, Tony is the champion dancer.  His circle of friends and weekend dancing help him to cope with the harsh realities of his life: a dead-end job, clashes with his unsupportive and squabbling parents, racial tensions in the local community, and his general restlessness.

Bertram Ross: Bertram Ross (November 14, 1920 – April 20, 2003) was an American dancer best known for his work with the Martha Graham Dance Company, with which he performed for two decades.  He was Martha Graham’s longtime dance partner and the originator of male roles in most of her major ballets from the 1950s and 1960s, including Adam in Embattled Garden, and both Agamemnon and Orestes in Clytemnestra.  After leaving Graham's company, Ross taught, choreographed and formed his own dance company.  In later life, he toured in a cabaret duo with his real life partner, the composer and pianist John Wallowitch.

Yulia Zagoruychenko: Yulia Zagoruychenko (born September 11, 1981) is the current World Latin Dance Champion, with her partner, Riccardo Cocchi.

Jaana Kunitz: Jaana Kunitz, born in Taivalkoski, Finland in 1972, is a professional dance instructor based in San Diego, California.  She is married to her dance partner, James Kunitz, and has since retired from competing in ballroom dance competitions to focus on coaching, video production, and dance-fitness programs.

Marcus van Teijlingen: Marcus van Teijlingen (born 20 March 1973 in Rijnsburg) is a Dutch dance instructor and professional Latin-American dancer.  His regular dance partner was Nathalie Kip.  He has been working full-time as a dance instructor in Groningen since 2004.

Supporting paragraphs: Riccardo Cocchi Yulia Zagoruychenko
Answer: Riccardo Cocchi