Uniquely, most of Agregator's members were the CEOs of small companies financed by venture capital, providing them with liquidity and private equity returns.

The Agregator experience was the context where Dan developed the idea for a business-oriented social network, while working originally on some software that would allow club members to access each other's contacts.

By 2006, Viaduc rebranded as Viadeo,[5] signaling the company's ambition for global expansion, which included the launch of its English and Italian versions.

In January 2016, after a failed attempt to conquer international markets, Dan Serfaty left the company which was taken over by Le Figaro.

[citation needed] Beginning 2020, Dan became the Co-President of Keren Hayessod France,[7] a charity aiming at reducing the social fracture in Israel.