Orange County is home to a growing community of cybersecurity leaders who guide security strategy for some of the region’s largest companies. These CISOs drive programs that protect millions of customers, support global operations, and shape the future of information security in Southern California.
Here are ten CISOs in Orange County who stand out for their leadership and impact.
Jeffrey Aguilar, Hoag Health System
Chief Information Security Officer
LinkedIn: Jeffrey Aguilar
Jeffrey Aguilar leads cybersecurity at Hoag Health System and was named the 2025 Southern California CISO of the Year. His work in healthcare security and risk management is widely recognized.
Andrew Alipanah, County of Orange
Chief Information Security Officer
LinkedIn: Andrew Alipanah
Andrew manages information security for the County of Orange. He brings deep experience in public sector cybersecurity and regional government operations.
Don Nguyen, Cybersecurity Leader
Cybersecurity Executive and OC CISO Roundtable Member
LinkedIn: Don Nguyen
Don is an active member of the Orange County CISO Roundtable and contributes to local cybersecurity programs and peer communities.
Robert Reynolds, Orange County Government
Cybersecurity Advisor and Speaker
LinkedIn: Robert Reynolds
Robert is a respected speaker and advisor within Orange County’s cybersecurity space. He supports government cybersecurity initiatives and community education.
Joshua Roth, Rady Children’s Health
Cybersecurity Leader in Healthcare
LinkedIn: Joshua Roth
Joshua is recognized for his work in healthcare cybersecurity and is frequently listed among top hospital CISOs. He brings strong expertise in protecting patient safety and clinical systems.
Darin Andersen, NXT Robotics
Chairman and Co-Founder
LinkedIn: Darin Andersen
Darin leads NXT Robotics, a company focused on AI and cybersecurity. He is a long-standing cybersecurity leader with ties to the Southern California security community.
John Minasyan, LMNTRIX
Chief Operating Officer
LinkedIn: John Minasyan
John is the COO of LMNTRIX and a frequent presenter at cybersecurity events across Orange County and beyond.
Eric Chriss, CustoMATRIX
Chief Executive Officer
LinkedIn: Eric Chriss
Eric is the CEO of CustoMATRIX and is known for his leadership in cybersecurity, executive management, and operational strategy.
Mark Adams, Panasonic Avionics Corporation
Chief Security Officer
LinkedIn: Mark Adams
Mark Adams leads security at Panasonic Avionics, a major aviation technology company based in Lake Forest. He directs global cybersecurity programs that support airlines, in-flight systems, and large-scale digital infrastructure.
Kevin McDonald, Alvaka Networks
Chief Information Officer and Chief Information Security Officer
LinkedIn: Kevin McDonald
Kevin is a well-known cybersecurity leader based in Irvine. He advises organizations across Orange County on security, critical infrastructure protection, and incident response, and is active in regional cybersecurity initiatives.
Orange County continues to build a strong community of cybersecurity leaders who shape how companies protect their data and technology. These ten CISOs bring experience, strategy, and steady leadership to a region known for innovation. They represent the next wave of security executives to watch.