In 1975, he joined Brémond Group as the head of the Leisure Division. The company was to become Pierre & Vacances in 1975, a leading company in the European tourism services sector. He was appointed Chief Executive Officer in 1985.
In 1994, he co-founded Altarea, a shopping center development real estate investment trust. In 2007, it acquired Cogedim, a housing and office property development company. Since then, Altarea Cogedim has pursued its development on the three main property markets: Retail, residential and offices. The group created the retail-entertainment concept with Bercy Village and spearheaded a new approach to edge-of town Retail with Family Village shopping centers. In 2010, it acquired Cap 3000, one of France's leading regional shopping centers located on the outskirts of Nice. It also developed the housing and office property program for the former Laennec Hospital site in Paris' 7th arrondissement and renovated the First Tower in the La Défense Business district.
By acquiring Rue du Commerce in 2011, a leader in e-commerce in France, Altarea Cogedim became the first multi-channel property company.
Since 2014, Taravella has been developing large urban mixed projects, providing housing, offices and Retail to support the cities transformation. He inaugurtaed in 2017 the Paris largest construction site, Massy Place du Grand Ouest. A mixed-use aera of 100,000 m² (1,076,000 square feet).
The Group has more than 1,700 employees. With operations in France, Spain and Italy, Altarea Cogedim manages a shopping center portfolio worth €4 billion. Taravella owns approximately 48% of the Group's capital. Listed in compartment A of the NYSE Euronext Paris, Altarea recorded sales of €1.584 billion in 2012 and a market capitalization of €3.3 billion at 31 December 2017.