They continually traveled to Europe for competitions and training at the same time participated in 10 World Championships as the first representatives for Canada. They also danced in all the Major competitions in England including: "The International Championships", U.K Open and Blackpool Dance Festival Championships.
Jean Marc married France Mousseau and they then turned Professional. Their carriers took on a new dimension. They began to show in every major city in Canada, U.S.A, and traveled around the world for competitions and shows such as : Japan, Hong Kong, Australia, cities in China, Singapore, Malaysia, Bangkok, and all the major cities and countries of Europe: England, Germany, France, Denmark, Amsterdam and more. In 12 years, they won over 200 competitions in 3 continents.
They have been featured dancers on the PBS series Championship Ballroom Dancing and most recently, were guest choreographers on the Fox dance competition-reality show "So You Think You Can Dance". They were also featured dancers on the big screen in the film "Dance with Me", starring Vanessa L. Williams. Also, Jean Marcplayed a "Smarmy Old Man" in the ballroom dance film "Shall We Dance", starring Jennifer Lopez.
Along with dancer/choreographer Tré Armstrong, Généreux has appeared as a Permanent Judge on CTV's "So You Think You Can Dance", Canada for the first four seasons. In 2010, he appeared in an episode in the tenth season of Degrassi as a Ballroom instructor for a remedial gym class. As of February 2011, he also appears as the Head Judge on TF1's Danse avec les stars, the French version of "Dancing With The Stars".
Jean Marc and France Mousseau, had their first child, Jean-Francis, in 1996, and their second, Francesca, in 1999. Their daughter, Francesca, suffers from Rett Syndrome; Généreux and his wife work with others to raise awareness and money around this rare neurological condition. On Season 4 of "So You Think You Can Dance", Généreux choreographed a Viennese Waltz for Kherington Payne and Stephen "Twitch" Boss, a dance that he openly dedicated to daughter Francesca. Généreux also revealed in the second season auditions of "So You Think You Can Dance", Canada that his son had a vanishing twin. The couple now resides in Boucherville, Quebec where France stays permanently with the kids, unless she is needed to appear on one of the TV shows of which Jean-Marc is a part. The couple also design and make ballroom costumes for professional dancers.
- Canadian Amateur Province of Quebec Champions in Social Dancing, 1977 - 1979
- Canadian Amateur Basic International style Standard Champions, 1980 - 1981
- 5-time Undefeated Amateur Canadian Latin and 10-dance Champions, 1982 - 1987
- 5-time Undefeated Amateur North American Latin and 10-dance Champions
- 3-time Peter Allan Award Latin Champions, England
- 4-time Latin Champions and Grand Champions, United States Ballroom Championships
- Winners, British Open Youth Latin Championship, Blackpool
- 10-time Undefeated Professional Canadian Latin Champions, 1987 - 1998
- 4-time Undefeated Professional North American Champions
- 2-time Asian-Pacific Professional Champions
- 2-time Winners, Challenge of the Continent
- Winners at the Ohio Star Ball Championships Open Latin Championship
- 3rd place, Overall Title, World 10-dance Championships
- Juddge at the TV Show "So You Think You Can Dance"and "Dancing With The Stars"