Wissem Fathallah is a seasoned technology executive with a strong track record in engineering leadership, currently serving as the Co-founder and CPO at Sifflet. With a background in computer science from Central Paris, Wissem has extensive experience in building scalable data solutions and leading high-impact engineering teams. His career spans notable roles at companies like Uber and Amazon, where he played a pivotal role in shaping the engineering culture and driving technical excellence. Passionate about data infrastructure and observability, Wissem is committed to helping organizations unlock value through reliable and actionable data insights.

Wajdi Fathallah is an accomplished data and technology leader, currently the Chief Technical Officer (CTO) at Sifflet. With a background in data science and a passion for scaling innovative solutions, Wajdi combines deep technical knowledge with strategic acumen to drive growth and foster data-driven cultures in organizations. Previously, he held impactful roles at prominent companies like Dashlane, SNCF, Crédit Agricole, where he contributed to revenue expansion and machine learning deliveries. Known for his focus on customer success and value delivery, Wajdi is dedicated to empowering businesses to harness the full potential of their data through observability and operational excellence.

Mehdi Labassi is a dynamic technology leader and the CTO at Carrefour. With a deep foundation in software development and engineering, Mehdi brings extensive experience in data management and operational strategy. Throughout his career, including roles at companies like Orange and AmadeusIT, he has demonstrated a strong ability to optimize processes and drive efficient, scalable operations.