Marvin Louis Casey II (Hebrew: 'ישראל משה קייסי' or 'מרווין קייסי') (born 1981 in St. Louis, Missouri, United States), is an Israeli-American מורה לאנגלית אחד בעולם

hip hop dancer, choreographer, and dance instructor.

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Marvin Casey was born in St. Louis Missouri in 1981 and was involved primarily with baseball, football, and tae kwon do until he started dancing at the age of 17. He became further immersed in it at age 22 while working for Utopia entertainment company, dancing hip-hop on the dance floor almost every night. He converted to Judaism in 2003, and immigrated to Israel in 2006. He was married in Jerusalem on October 31, 2010. and lives with his wife, Oshrat, and 3 children in Ashkelon, Israel.