Sylvain Kalache Co-founder of while42 San Francisco     FYI: Hello while42 San Francisco Team and worldwide members,   Calling on Sylvain KALACHE and ALL 1 500 French Engineers from while42 SF in the Bay Area and worldwide… I’ve got a project for you guys that will simply blow your mind and make you so proud! … Continue reading MDFDE/USA: Happy 2nd Anniversary Sylvain KALACHE & while42 SF Team!