Joint stock company (SAS), founded on April 2018 with its headquarters in Paris.

Fully Independent Firm

No conflicts of interest, wholly owned by management.

IAPP Official Member

Sybil is a member of the International Association of Privacy Professionals vendor network

Member of the EARDCP

Member of the European Association for Representatives of Data Controllers and Processors.


Isabelle Wekstein
Isabelle is the managing partner of WAN Avocats, a French law firm with a strong expertise in intellectual property law and data protection, and holds a Certificate of Aptitude for the Profession of Attorney, a DEA in business law and is a certified specialist in Intellectual Property. Isabelle is also the French representative for the World IT Lawyers network, an established global alliance of IP and IT specialized firms.
Yves Hervieu-Causse
Non-Executive Partner
Yves is the managing director of Hugo Fund Services, a legal representative for foreign funds targeting qualified investors in Switzerland. Yves graduated from the University of Geneva law school, Graduate Institute of International Studies, Geneva and New York University law school.
Jonathan Deslandes
Business Developer
Jonathan holds a Master in public policies from Science Po Paris. Before joining Sybil Data Services, he worked as a foresight analyst specialized in data privacy and ethical issues in the insurance industry.
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Emmanuel Vernet
Operations Manager
Emmanuel holds a dual degree in Business Administration from Neoma Business School in France and North Carolina State University at Raleigh, NC. with a concentration in Supply Chain Management. He previously worked as a business developer and strategist in web development and e-commerce.
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General Information

Sybil Data Services SAS

22 Rue du Général Foy, 75008 Paris

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