Internationally renowned cryptographer and security technologist with two decades of industry experience in computer security. Assistant Professor of computer science specialized in applied cryptography, privacy-enhanced databases, blockchain, virtual machines, mobile devices, computer backup, and distributed storage. Led teams that developed the first anonymous cryptocurrencies. As a white hat hacker, exposed flaws in more than a third of SSL/TLS encrypted web sites and vulnerabilities in security technologies from RSA, Exxon-Mobil, EZPass. Author of dozens of articles and papers and conference speaker often quoted by media ranging from The Economist and Wall Street Journal to New York Times and Wired.

Formal Education

  • Ph.D. in Computer Science, Johns Hopkins University
  • M.S. in Computer Science, Johns Hopkins University
  • B.A. in Computer Science, Oberlin College

Career Highlihts

  • White hat hacker and independent evaluator of cryptography-based digital security systems
  • Instructor for graduate-level courses in security and privacy in computing and practical cryptography
  • Member of the technical advisor board for the Linux Foundation’s Core Infrastructure Initiative
  • Former researcher at Bell Labs in areas such as telecommunications and IP-based telephony (VoIP), distributed storage, and virtual machines including development of software for desktop and mobile devices, a secure text messaging system for mobile devices, and AT&T’s Interactive Voice Response (IVR) speech processing system
  • Named inventor on half a dozen issued U.S. patents in cryptography and related fields

Expert Qualifications

  • Qualified as an expert witness in techniques of satellite TV security and testified in related litigation in Quebec Superior Court
  • Deposed as a technical expert in patent infringement litigations against smartphone makers, including Huawei, in U.S. District Court for the Eastern District of Texas
  • Was deposed three times on behalf of Symantec in an IPR that was before U.S. PTO’s Patent Trial and Appeal Board
  • Engaged as an expert on a range of technologies such as software source code, Android and iOS devices, Wi-Fi hotspots, and others