Stephen A. Ridley is founder and CTO of venture-backed infosec analytics firm Senrio Inc. and Principal of Xipiter LLC. He is a researcher with more than 17 years of experience in software architecture, software/firmware security, and reverse engineering. Within that last 5 years, he has presented his research and spoken about reverse engineering and software security research on every continent except Antarctica. Stephen and his work have been featured on NPR and NBC and in the Wall Street Journal, Wired, Washington Post, Fast Company, VentureBeat, Slashdot, The Register, and other publications.

Stephen has authored a number information security articles and co-written several texts. The most recent of which is the "Android Hackers Handbook" published by Wiley & Sons. Stephen has guest lectured at NYU, Rensselaer PolyTechnic (RPI), Dartmouth, and other universities on subject of software exploitation and reverse engineering.

He is also part-time Professor of Exploitation and Reverse Engineering at New York University (NYU) Tandon School of Engineering where he teaches several graduate-level courses based on his custom developed curriculum. Stephen has also served on the programming/review committees of USENIX Woot, SecuringSmartCities, BuildItSecurely, et al. Stephen also serves on the board of IndySci.org, a California 501(c)(3) non-profit devoted to making "Open Source" pharmaceuticals a reality.