With nearly two decades of experience, Vincent Liu is an expert in security strategy, red teaming, and product security; he oversees firm strategy and client relationships. He is regularly cited and interviewed by media such as Al Jazeera, The Information, and NPR while also writing as a contributing columnist for Dark Reading. He has co-authored books including Hacking Exposed Wireless and Hacking Exposed Web Applications. Vincent sits on several advisory boards in addition to serving as returning faculty at the Practising Law Institute.

Francis Brown, CISA, CISSP, MCSE, is the Chief Technology Officer (CTO) at Bishop Fox, a consulting firm providing cybersecurity services to the Fortune 1000, global financial institutions, and high-tech startups. Before founding Bishop Fox, Francis served as an IT Security Specialist with the Global Risk Assessment team of Honeywell International where he performed network and application penetration testing, product security evaluations, incident response, and risk assessments of critical infrastructure. Prior to that, Francis was a consultant with the Ernst & Young Advanced Security Centers and conducted network, application, wireless, and remote access penetration tests for Fortune 500 clients. Francis has presented his research at leading conferences such as Black Hat USA, DEF CON, RSA, InfoSec World, ToorCon, and HackCon and has been cited in numerous industry and academic publications. Francis holds a Bachelor of Science and Engineering from the University of Pennsylvania with a major in Computer Science and Engineering and a minor in Psychology. While at Penn, Francis taught operating system implementation, C programming, and participated in DARPA-funded research into advanced intrusion prevention system techniques.

With nearly three decades of experience driving bottom line results for some of the world’s largest and most complex service organizations, Bill Carroll is responsible for the day-to-day operations and oversees operations, customer experience, IT, and human resources in addition to strategic cross-firm initiatives.

Gwenyth Castro acts as a liaison between the various Bishop Fox departments that she manages and the executive team. She is responsible for the day-to-day leadership, management, and guidance on all aspects of the company’s operational policies, objectives, and initiatives. She oversees the development and implementation of both long and short-term strategic plans. Additionally, Gwenyth mitigates risks for the company as whole.

Andrew Wilson is responsible for managing the Bishop Fox consulting practice. He has presented at DEF CON, BSides, ToorCon, and AppSec. Andrew is the founder and lead organizer of CactusCon, the largest security conference in Arizona. His research and writing have been cited numerous times by OWASP. Andrew is recognized by Microsoft as an expert in application security, having previously been selected as one of only 19 Developer Security MVPs in the world.

Jon Rose is the VP of Managed Security Services at Bishop Fox, where he leads strategic development and delivery of the business, starting with continuous penetration testing, which consists of ongoing attack surface discovery and vulnerability validation. Jon has nearly 20 years of experience in security consulting, technology strategy, and product management. At the executive level, he has previously been CSO at Dun & Bradstreet and has run his own consulting business. His strengths include translating highly technical security concepts into business terms for executives, as well as using Agile principles to deliver corporate security programs and security products. Jon has spoken at high-profile conferences around the world including OWASP AppSec, PLI, and DEF CON. He has conducted over 50 security training classes across topics ranging from enterprise security programs to technical penetration testing and defensive software security. In 2015, he was named a Top 10 CSO in his sector by Security Magazine. He received the Innovation Award from SC Magazine in 2012.

Ken Green is the Vice President of Product Management at Bishop Fox, where he is responsible for technology-enabling and building on Bishop Fox’s suite of products and services. He has three decades of experience in product development and security operations, including 15 years in the National Security Agency (NSA). Ken is an expert in creating security products and holds multiple patents for data encryption technologies (U.S. Patents 9,608,810, 9,608,809, and 9,614,670) and a content monitoring security technology (U.S. Patent 8,683,031). He also co-authored the book Internet Site Security. Prior to joining Bishop Fox, Ken was the Vice President of Product Development at Ionic Security, where he was responsible for a data protection platform that provided secure data and key management for desktop, mobile, and web applications. Ken’s experience at the NSA included data and signal analysis, computer network defense, and senior technical leadership roles in the NSA/CSS Threat Operations Center. In other roles, Ken has developed managed security services and vulnerability management programs and conducted hands-on intrusion detection and network and application security training for federal and local law enforcement. Ken holds a Master of Science in Electrical Engineering from Purdue University.

Christie Terrill has provided security advisory services for over a decade. Her focuses are engagement oversight, thought leadership, and relationship management. Christie is a monthly contributor to Forbes. In 2017 and 2016, she spoke at several Dark Reading webinars on Preparing a Next-Generation IT Security Strategy. In late 2017, she was featured at the O’Reilly Security Conference where she shared her experiences on creating a security program. She is based in New York City.

Kevin Brooks (CPA) is Vice President of Finance at Bishop Fox. He has over 25 years of accounting, operational, and strategic experience and is responsible for leading Bishop Fox’s financial operations, overseeing all accounting functions, and providing business and risk-management analysis to the firm. Prior to joining Bishop Fox, Kevin was a vice president and corporate controller at Trace3, International Vitamin, and Quest Software. He managed accounting functions, sales operations, and company acquisitions for these firms. Kevin holds a Bachelor of Arts degree in Business Economics from the University of California, Santa Barbara.

Rob Ragan provides security solutions and strategy to Bishop Fox clients. His other focuses include red teaming and threat modelling. He also manages the San Francisco consulting team. Rob has presented at Black Hat, DEF CON, Interop, and SummerCon. He was a contributing author to Hacking Exposed Web Applications 3rd Edition. His writing has appeared in Dark Reading and he has been quoted in publications such as Wired.

Carl Livitt has decades of experience in mobile and application security, hardware and embedded devices, reverse engineering, and global-scale penetration testing. Carl is credited with the discovery of many vulnerabilities within both commercial and open-source software. He was brought in as a third-party expert to lead the team that confirmed several security issues with St. Jude Medical implantable devices. His work eventually led to an official communication from the FDA.

Justin Hays focuses on all aspects of security testing and design in addition to firm-wide research endeavors. Justin actively conducts mobile device and web application security research, and is a contributing author to Hacking Exposed Web Applications 3rd Edition. He is fluent in Japanese, having received the highest-level language certification granted to non-citizens by the Japanese government.

Arissa Kirkland focuses on special projects, strategy planning, conflict resolving, and assisting other departments in achieving their objectives. She has been with the firm for nearly a decade, having led the Marketing and Public Relations programs prior to her current role.

Danielle Sahlin leads Team People – Human Resources and Recruiting. Her specialties are talent acquisition and retention. Under her direction, Bishop Fox has steadily increased its size to more than 100 employees. She has continuously built and revamped processes in addition to implementing tools for improving performance and learning management. She previously created the HR program at one of the most prestigious observatories in the world.