Hadi Nahari is a software security professional with over 19 years of experience in software development, including extensive work in design and architecture, verification, proof-of-concept, and implementation of secure systems. Hadi has worked on large scale, high-end enterprise solutions, as well as resource-constrained embedded systems, with primary focus on security, cryptography, complex systems design, and vulnerability assessment & threat analysis. Hadi is a frequent speaker in U.S. and international security and embedded events and has led and contributed to various security projects for Netscape Communications, Sun Microsystems, United States Government, Motorola, MontaVista, eBay, and PayPal, among others. Hadi is currently working at PayPal Emerging Technologies as Principal Security and Devices Architect and represents PayPal in main standardization bodies such as NFC Forum and GlobalPlatform.