Vincent Liu (CISSP) is CEO and cofounder at Bishop Fox. With over two decades of experience, Vincent is an expert in offensive security and security strategy; at Bishop Fox, he leads firm strategy and oversees client relationships. Vincent 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 presented at Microsoft BlueHat and Black Hat and has co authored seven books including Hacking Exposed Wireless and Hacking Exposed Web Applications. Vincent sits on the advisory boards of AppOmni, Elevate Security, Mod N Labs, and the University of Advancing Technology in addition to serving as returning faculty at the Practising Law Institute. Prior to founding Bishop Fox, Vincent led the Attack & Penetration team for the Global Security unit at Honeywell International. Before that, he was a consultant with the Ernst & Young Advanced Security Centers and an analyst at the National Security Agency.

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.

Bill Carroll is Chief Operating Officer (COO) at Bishop Fox. He has nearly three decades of experience and is responsible for the company’s day-to-day operations, including oversight of consulting services and the company’s new managed services, as well as customer experience, cross-firm initiatives, IT, and human resources. Prior to joining Bishop Fox, Bill served as the CEO of Aasonn, a global HR strategy and technology services company. He led a business turnaround that was so successful the company was acquired two years later. Prior to that, Bill was vice president of Fruition Partners, where he drove company growth and streamlined the delivery of professional services globally and improved overall operations, leading to the company’s successful acquisition. Bill received his Master of Science Administration and Bachelor of Science Business Administration degrees from Central Michigan University.

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 a 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 (CISSP) is Vice President of Customer Success at Bishop Fox, where she engages with both clients and internal teams to provide a seamless and consistent customer experience. In this role, she oversees project management, resource management, account support, editorial, and data analytics. In her ten years at Bishop Fox, Christie has provided security advisory services, engagement oversight, and client relationship management. After starting as a consultant, she moved on to establish the company's enterprise security consulting practice, was promoted to partner, and transitioned to the sales department before assuming her current role. Christie has over fifteen years of experience in the security industry, and she has contributed thought leadership to such publications as Forbes, Infosecurity Magazine, and Dark Reading. Prior to joining Bishop Fox, Christie spent several years in the security consulting practices at Accenture and Ernst & Young for clients in the Global 500. During this time, she lived and worked in the United States, the United Kingdom, and India. Christie holds a Bachelor of Arts with Honors from the University of California, Santa Cruz. Christie resides with her husband, John, and young son, Jack, in New York City, where she has lived for six years.

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 is a Principal Researcher at Bishop Fox, where he focuses on security solutions and strategy as well as fostering industry relationships. His areas of expertise include continuous penetration testing and red teaming. He is actively developing research to improve Bishop Fox’s capabilities in scalable continuous assessment. Rob has presented at Black Hat, DEF CON, RSA, and Interop. He is also a contributing author to Hacking Exposed Web Applications 3rd Edition. His writing has appeared in Dark Reading and Help Net Security, and he has been quoted in publications such as Wired. Rob has 15 years of security experience. He was previously a senior penetration tester for Bishop Fox and managed the company’s Atlanta and San Francisco teams. Rob also worked as a software engineer on security products at Hewlett-Packard’s Application Security Center and at SPI Dynamics, where he helped develop the dynamic analysis engine for WebInspect and the static analysis engine for DevInspect. Rob holds a Bachelor of Science in Information Sciences and Technology from Pennsylvania State University.

Carl Livitt is a Principal Researcher at Bishop Fox. He 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. Carl has served as a contributing author to Hacking Exposed Web Applications 3rd Edition as well as a technical advisor for Network Security Assessment 1st Edition. He has also been interviewed on NPR and quoted in publications including USA Today and eWeek. In addition, Carl co-authored the iOS reverse-engineering framework iSpy, which was featured at Black Hat USA’s Tools Arsenal. Prior to joining Bishop Fox, Carl ran the IT security services group for a British security company, providing consulting services to some of the largest multinational companies in the world. He has also advised multiple UK counter-terrorism units.

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.

Daniel Wood (CISSP, GPEN) is the Associate Vice President of Consulting at Bishop Fox, where he leads all service lines, develops strategic initiatives, and has established the Applied Research and Development program. Daniel has instituted service line advisory boards of in-house subject matter experts to enhance testing processes and methodologies across the firm and to ensure consistent results across both core services and emerging services. Daniel has over 15 years of experience in cybersecurity and is a subject matter expert in red teaming, insider threat, and counterintelligence. Daniel was previously the manager of security engineering and technology at Bridgewater Associates, where he shaped the strategic direction of technology for the firm and oversaw technical security assessments of Bridgewater’s international office expansions. Daniel has also served in roles supporting the U.S. government in security architecture, engineering, and offensive operations as a Security Engineer and Red Team Leader. He supported the U.S. Special Operations Command (USSOCOM) on red teaming and digital warfare operations, and the U.S. Army on the Wargaming Cyber Effects on Soldiers’ Decision-Making project. Daniel is currently a member of the Rutgers Cybersecurity Advisory Board. He holds a Bachelor of Science in Administration of Justice from George Mason University.

Arissa Kirkland is the Director of Strategic Operations at Bishop Fox, where she focuses on strategic planning, resolving conflicts, optimizing processes, and overseeing business operations. Arissa analyzes business processes to improve operational efficiency and works in partnership with the leadership team to drive company growth. She also measures and tracks critical initiatives in line with company priorities. Additionally, she has managed several research and development projects and presentations for DEF CON and Black Hat USA, including 2017’s “Game of Drones.” She has also spearheaded efforts to feature Bishop Fox in Forbes, USA Today, and Fortune. Arissa has ten years’ experience with Bishop Fox and previously managed marketing and public relations, in addition to building the recruiting and communications programs. She also oversaw the rebranding of Stach & Liu as Bishop Fox in 2013.

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.