Jérôme first studied acting in Paris at the Cours Florent and then was privileged to study with John Strasberg and Sarah Eigerman. He began his career playing the part of Eugénio in the play "Le Café" by Goldoni, directed by Raymond Acquaviva, at the 1984 Avignon Festival. Then he performed in all kinds of different roles in several TV films such as "Marcheloup" by Roger Pigaut, "L'Eté 36 " by Yves Robert, and in several plays such as "Private Wars 1969" by James McLure, directed by Sarah Eigerman. He is the author, composer and singer of "Tendrement" (RCA/BMG), he also wrote two songs on Jean Guidoni's album called "Tigre de Porcelaine".

Jérôme debuted in a musical in 1991 when he was privileged to portray the role of Marius in the Paris revival production of "Les Miserables" by Boublil and Schönberg. This one production was all it took to get him hooked and he decided he had to work in musical theatre. After his run in "Les Miserables" was over he flew to London to play the part of Chris in Boublil and Schonberg's second musical "Miss Saigon". After this second success, he flew over to Toronto to play the title-role in "Napoleon" by Sabiston and Williams, directed by John Wood. Back to France, he joined the Compagnie Roger Louret and was featured as a principal singer in several productions including the successful show "La Java des Mémoires". Later on Jérôme was involved in several French and British theatre plays such as "Cyrano de Bergerac", "Andromaque", "La Seconde Surprise de l'Amour" in addition to musicals such as "Assassins" by Stephen Sondheim. In 1995 he was part of the musical event of the year, the tenth anniversary concert of "Les Miserables" at the Royal Albert Hall in London

A few months later he created the role of Guillaume in the third much awaited Boublil and Schönberg musical "Martin Guerre". He remained in the original production for almost a year before returning to Paris to portray the role of Guido Contini in "Nine" by Maury Yeston, adapted in French by Eric-Emmanuel Schmitt. In 1998 Jérôme starred as Rasputin in "Killing Rasputin", by James McConnel and Kit Hesketh-Harvey at the Bridewell Theatre in London. He also worked in several major films including VATEL directed by Roland Joffé starring Gérard Depardieu and Uma Thurman, THE DANCER directed by Fred Garson and produced by Luc Besson and SIMON SEZ. He appeared on television as Duc de Lauzun in "The Aristocrats", directed by David Caffrey for the BBC, and in France he starred in BELLE GRAND MERE directed by Marion Sarraut and several episodes of CRIME EN SERIE directed by Patrick Dewolf.

He performed in a new revue called "Black Goes With Everything", a musical compilation of 40 songs by the Oscar winning lyricist Don Black. The show previewed at the Churchill Theatre in Bromley in March-April 2000. He has the privilege to play the part of Judas in the Jesus Christ Superstar video released in 2001 on video and DVD worldwide. The piece has won the best performing arts video amy awards en 2001. He played the part of 'The Man' in Andrew Lloyd Webber and Jim Steinman's "Whistle Down the Wind" (Aldwych Theatre, London). He presented "Crime of Passion" by Pierre Philippe and Astor Piazzolla at the Edinburgh Fringe Festival in August 2001, "Road Movie" by Godfrey Hamilton, a one actor's play in which he portrayed five characters, two men and three women at the Sudden Theatre (Paris) 25 Sept-27 Oct 2001 and "Délit d'ivresse" by Valentine Petit and Richard Galliano at the Auditorium St. Germain (Paris) in Jan-Feb 2002. He reprised his one-man show "Road Movie" at the Théâtre du Marais in Feb-Apr 2002.

He took part in a gala charity concert on Sunday May 5th at the Royal Albert Hall: THE NIGHT OF A THOUSAND VOICES - CELEBRATING THE MULTI-AWARD WINNING LYRICS OF TIM RICE, and he played the lead role in Stéphane Ly-Cuong’s second musical short film, PARADISCO, which was shot in Paris at the end of April.Returning to London, Jérôme played, ten years after Marius, the role of Javert in the London Production of LES MISERABLES in June-December 2002.

In June 2003, he continued in London with PACIFIC OVERTURES by Stephen Sondheim, for which he was nominated, in 2004, for an Olivier Award for Best Supporting Role in a Musical, and the show won the Olivier Award for Best Musical. In November 2003, he returned to Paris to perform ET SI ON CHANTAIT at the Espace Cardin. Hervé Devolder then asked him to take on the role of the boss in the musical CHANCE at the theatres Le Lucernaire and then Le Méry.

2004 saw Jérôme perform in One Day More! a symphonic concert celebrating Boublil and Schönberg's works; perform for the Queen and President Jacques Chirac at Windsor Castle in a Les Misérables concert, as part of the marking of the 100th anniversary of the Entente Cordiale, and play King Herod in the Scandinavian tour of Jesus Christ Superstar.

In 2005, he starred in the episode "PLAISIR FATAL" for the series "AVOCATS ET ASSOCIÉS". December of that year, he left for Belgium to perform in Maury Yeston's Titanic at the Opera de Liège. In 2006, he returned to Paris for LE CABARET DES HOMMES PERDUS, directed by Jean-Luc Revol, where he played the role of the bartender. The show won the 2007 Molière award for Best Musical and Best Director.

After a year in Paris, he returned to London, for 16 months, in the guise of Aragorn in THE LORD OF THE RINGS, at the Theatre Royal, Drury Lane.

In January 2009, he starred in the one man, Best Musical Moliere Award winning show L'OPERA DE SARAH by Alain Marcel., a play telling the story of Sarah Bernhardt, in which play 80 characters including her. At the festival d’Avignon, July 2009, Jérôme starred in another one man show, F-X; written by Michael Stampe, directed by Christopher Lidon and co-produced by Laurent Grégoire.

Finally, Jérôme played the paleontologist narrator in the globally successful Walking With Dinosaurs, at the palais omnisport de Paris Bercy and in Quebec city Canaday until 2010. He's currently playing the role of Sam in Mamma Mia! at the Theatre Mogador since 17 October 2010