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23 rue Daviel

75013 - Paris


 +33 1 76 00 70 00

Guillaume Fiastre

SVP ARGUS Product Strategy, Altus Group, France

Guillaume is Managing Director of the software and data solutions division at Altus Group. With over 20 years of experience in the real estate industry, Guillaume has an extensive background in property tech.

Guillaume was the CEO of cloud-based investment software solution provider, Taliance, which was acquired by Altus Group in July 2018. In 2000, he founded FinAsset, the first asset management software for property in France. In 2003, Taliance acquired FinAsset and Guillaume assumed the role of deputy-managing director and later became the company’s CEO in 2007. During his tenure at Taliance, he focused on numerous initiatives aimed at improving the transparency and responsiveness of the property market through information systems including the creation of the FIDJI format and participation in finance and innovation committees.

Guillaume holds a master’s degree in business administration from the Paris Dauphine University. He currently serves as a board member of the FIDJI Association, the market standard for exchanging real estate data among industry players, where he is responsible for international relationships. Previously, he was a member of the board of OSCRE (Open Standard Consortium for Real Estate) from 2012 to 2016.

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