Co-invented the first-of-its-kind hyper-scalable many-to-many cryptographic system that eliminates the necessity of cryptographic key negotiation and session management.

• Provided the organizational leadership needed to improve set-top box security architecture and processes continually.• Collaborated with external security vendors, TiVo hardware and software partners, and customers to explain threats and implement security test cases and fixes.• Performed threat modeling and conducted secure software design comprehensive reviews.• Conducted application security testing, source code reviews and threat analysis.

Contributed to Internal security infrastructure and access control tools design and development.

• Designed and developed a low-latency (2 μs internal latency) trading engine applicable to various trading models.• Designed and developed model-specific trading applications.

• Managed ARM TrustZone-based TEE framework security design project.• Managed an automated binary executable obfuscation tool development project.• Conducted comprehensive security risk analysis, managed detailed software requirements and created the conceptual architecture for Common Security Framework for several Samsung media platforms such as Digital TV devices and Blue Ray players.Designed and implemented several essential components of the security framework.• Designed and developed a Cryptographic key management module.• Designed and developed factory key provisioning tools.• Designed white box-based solutions.

• Developed and managed different software development processes.• Developed several proxy orders routing modules which connect CQG order routing server with particular exchanges. • Prepared and conducted lectures for SEI Personal Software Process Training Courses and CQG related topics for new employees including topics related to several development processes such as XP, SCRUM.

Design and development of memory and performance efficient algorithms for NASDAQ ITCH, ARCA, and BATS order book processing protocols.

• Collaborated in designing and developing the SAFER++ block cipher algorithm for the New European Schemes for Signature, Integrity, and Encryption (NESSIE) algorithm open competition. I contributed to optimal matrix selection based on 4-PHT transformation and Differential and Linear Cryptanalysis of SAFER++. Developed fast implementation in software on 32-bit and 8-bit processors.• Collaborated in designing and developing the SAFER+ algorithm for the new USA Advanced Encryption Standard (AES) algorithm open competition. The submitted algorithm, SAFER+, is currently used in Bluetooth wireless communication, several European Banks, and world organizations. Participated in optimal matrix selection based on 2-PHT transformation and Differential and Linear Cryptanalysis of SAFER+. Developed fast implementation in software on 32-bit and 8-bit processors.• Designed and developed public-key cryptosystems based on elliptic curves.• Contributed to developing a cryptographic library that supports all practical cryptographic algorithms and routines.• Co-designed hardware-oriented fast algorithms for integer’s modular exponentiation and multiplication in finite fields GF(p) and GF(2^m).• Designed AES fast hardware implementation.

• Designed and developed common view class for use in multithreaded win32 applications with large amounts of different type views and message handling.• Composed several helper classes for using OLE & ActiveX functionality.