Samir was the Co-Founder and CTO of TapCommerce, which was acquired by Twitter for $100M in 2014. At Twitter, he managed and scaled Engineering Teams in San Francisco. He began his career in Chicago consulting for Fortune 500 clients and developed his first mobile app before the existence of the App Store. Today, Samir resides in Berlin, Germany and advises early stage startups and VC firms. He teaches refugees how to code at the ReDI School and is an Entrepreneur In Residence advisor for Techstars Berlin.