Dr. Lei Lei is a senior architect with over 20 years of experience in distributed system design and development. He obtained a Ph.D. degree in Computer Science from Beihang University and joined China Unicom in 2012. Since then, he has participated in developing a broad range of China Unicom’s IT systems, from Cloud fabric, Big Data platforms to cutting-edge AI applications. With outstanding technical achievements and contributions, Dr. Lei has been awarded many prizes by Chinese ministries and industries.