Sergei Komarov, a seasoned technology executive, has an extensive background in cloud and software-as-a-service (SaaS) multi-channel platforms, e-commerce, online and mobile payments, rapid legacy technology estate transformation, and building agile, high-performance technical teams. With a Master of Science in Mathematics from Lomonosov Moscow State University, Sergei brings a wealth of expertise in enterprise architecture, business intelligence and analytics, enterprise integration, data center operations, and consumer-oriented web apps. Sergei has been the Chief Architect and Managing Director at Chase, Group Chief Architect at NAB, Chief Technology Officer and Managing Director at Barclays, and Chief Architect at PayPal. He has also held executive positions at LiveJournal, Inc., SUP Media, Burson-Marsteller, Afisha Industries, and CompuTel. Sergei is also an influential blogger and shares his thoughts on his website, www.sergei2c.com.