Bruce Schneier is an internationally renowned security technologist, called a "security guru" by The Economist. He is the author of 12 books -- including "Data and Goliath: The Hidden Battles to Collect Your Data and Control Your World" -- as well as hundreds of articles, essays, and academic papers. His influential newsletter "Crypto-Gram" and blog "Schneier on Security" are read by over 250,000 people. Schneier is a fellow at the Berkman Center for Internet and Society at Harvard Law School, a program fellow at the New America Foundation's Open Technology Institute, a board member of the Electronic Frontier Foundation, and an Advisory Board member of the Electronic Privacy Information Center. He is also the Chief Technology Officer of Resilient Systems, Inc.

Photo by Vivian Babuts

Cryptographer and software engineer, passionate Linux user and coffee addict.

Ruslan holds MSc degree in Information and Communication Systems Security from Kharkiv National University of Radio Electronics, specializing in symmetric cryptography. As a graduate he joined JSC "Institute of Information Technologies" to conduct research and development of symmetric cryptographic algorithms, where he collaborated with a team of cryptographers designing block cipher "Kalyna" adopted as a national standard of Ukraine in 2015. Ruslan now works at Brex.