Our team

Sigmund is developed by Hippocrate Sàrl, a team of three passionate founders based in Luxembourg since 2023.

Sylvain Perez

Co-founder & developer

Founder of Sigmund, Sylvain created the software in 2013 to meet the practice management needs of his psychotherapist wife. He now listens closely to the whole community to continuously improve the application. He also serves as CEO of Q-Leap.

Guillaume Desrat

Co-founder

Co-founder, Guillaume stepped back from operational duties in November 2026. Previously, he handled technical development and maintenance, as well as data protection matters. He ensured Sigmund was performant, available, secure and fully GDPR-compliant.

Franck Amouyal

Co-founder & administrator

Co-founder, Franck manages the administration and finances of Hippocrate Sàrl. His organisational skills ensure the smooth running of the company.