Marianna Tessel is the SVP of Engineering at Docker, which actively contributes to the open source project and is also responsible for Docker’s commercial product offerings. Prior to Docker, she was a VP of engineering at VMware, where she led an engineering team developing various VMware vSphere subsystems as well as working with VMware’s tech ecosystem. Prior to VMware, Marianna was the VP of engineering for Ariba (now part of SAP). Before Ariba, Tessel was part of General Magic, starting there as an engineer and rising to vice president. Marianna holds a few technology patents. About GitHub Universe: Great software is more than code. GitHub Universe serves as a showcase for how people work together to solve the hard problems of developing software. For more information on GitHub Universe, check the website: http://githubuniverse.com