Sylvain is an entrepreneur and software engineer who has worked in the tech industry for over a decade. He currently lives in Fort Lauderdale and provides PR services for tech companies. He regularly writes for TechCrunch, Forbes, and The New Stack. 

He is the co-founder of Holberton, an education company training the next generation of digital talent at scale. Holberton educates thousands of students in over 25 countries, hired by the best tech companies like Google, LinkedIn, Tesla, Apple, and NASA.

Through his work, he partnered with technology leaders, including LinkedIn CEO Jeff Weiner, Yahoo! Founder Jerry Yang, Docker founder Solomon Hykes, and Facebook VP Payments Stephane Kasriel. But also sports and entertainment leaders like Grammy-Award winner NE-YO,  actress Priyanka Chopra, and New York Jets NFL player Kelvin Beachum.

Before Holberton School, he joined SlideShare as a Software Engineer(SRE) to support the infrastructure that served 3 billion slides every month. LinkedIn acquired the company, where he worked as a senior software engineer. He co-founded while42, a non-profit organization that became the largest community of French software engineers, located in 40 cities with 3,000 members.

During his free time, he likes to write and travel. He loves challenges; he has won the best API usage prize at TechCrunch Disruptexplored 25 meters deep Paris Catacombs, and climbed Mount Fuji at 3,776 meters. You can contact him at

Sylvain Kalache Portrait Picture

Sylvain Kalache's LinkedIn profile           


I write about tech, entrepreneurship, and workforce development. You can find some of my stories in these publications:

Link to Sylvain Kalache articles on TechCrunchLink to Sylvain Kalache articles on ForbesLink to Sylvain Kalache articles on TheNewStack
Link to Sylvain Kalache articles on CIOLink to Sylvain Kalache articles on CNBC
Link to Sylvain Kalache articles on LinkedInLink to Sylvain Kalache articles on Linux.comLink to Sylvain Kalache articles on VentureBeat

Industry papers

Talks & interviews