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The PhishLabs Leadership Team

Our mission is to prevent cybercrime and proactively protect businesses from losses due to online fraud and cyber-attacks.

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John LaCour, Founder and CEO

John LaCour is the Founder and CEO of PhishLabs. Prior to founding PhishLabs, Mr. LaCour was the Director of AntiPhishing Solutions at MarkMonitor. He has also led security threat research and product development for companies like CheckPoint, RedSeal Networks, and NetScreen Technologies. He studied computer science and economics at Louisiana State University and Northwestern University.

Mr. LaCour is an active contributor in the security community, having spoken on several cybercrime topics including phishing and distributed denial-of-service (DDoS). He has presented for the Digital Crimes Consortium, Anti-Phishing Working Group, Underground Economy, FS-ISAC and Internet Security Operations and Intelligence conferences. Additionally, Mr. LaCour has been quoted by multiple media publications including the New York Times, Krebs on Security, and BankInfoSecurity.com.

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Linda Sunderman, CFO and VP of Administration

Linda Sunderman is responsible for all aspects of accounting, financial reporting, budgeting, tax, human resources, and administrative operations at PhishLabs. Ms. Sunderman has more than 27 years of financial and accounting experience in both public accounting and private industry, beginning her career in the audit division of Arthur Andersen before moving into the private sector.

Ms. Sunderman has worked in a variety of industries and held senior financial leadership positions at several small and midsized businesses, providing financial and accounting expertise, supporting capital fundraising efforts and managing operations. Ms. Sunderman is a Certified Public Accountant and holds a Bachelor’s Degree in Accountancy from Miami University and a Masters of Business Administration from Xavier University.

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James Brooks, Senior Director of Product Management

James Brooks is responsible for the strategic direction of PhishLabs’ products and services. Mr. Brooks has over 15 years of experience in the security industry, joining PhishLabs from IBM. His experience spans across a broad spectrum of security technologies, advanced security solutions for network and Internet environments, and cyber intelligence strategy development. He has a Bachelor of Science in Electrical Engineering Technology from the University of Alabama.

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Johnny Calhoun, VP of Client Operations

Johnny Calhoun is responsible for all aspects of security operations and client delivery services at PhishLabs. Mr. Calhoun is a 14 year veteran of the cyber-security service industry and joins us from Dell SecureWorks where he was most recently Director of Global Client Implementation Services and managed a large global team of experts responsible for implementing hundreds of millions of dollars of managed security services. Throughout his career, Johnny has led and scaled businesses to meet the needs of rapidly growing client bases. He holds a bachelor’s degree in computer science from Coastal Carolina University.

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Jon Hilfiger, VP of Sales

Jon Hilfiger is responsible for global sales and business development at PhishLabs. A proven sales leader in the information security industry, Mr. Hilfiger joined PhishLabs to expand sales growth and lead the global PhishLabs sales team. Mr. Hilfiger began his career at SecureWorks, where he spent 13 years in various roles that contributed to the company’s rapid growth. Prior joining PhishLabs, Mr. Hilfiger was the Director of Western US and Canada Sales at Dell SecureWorks where he drove sales growth in Fortune 1000 accounts. Mr. Hilfiger holds a bachelor’s degree from Roanoke College.


Joseph Opacki, VP of Threat Research

Joseph Opacki is responsible for threat research, analysis and intelligence at PhishLabs. Prior to joining PhishLabs, Mr. Opacki was the Senior Director of Global Research at iSIGHT Partners. Before his career in the private sector, Mr. Opacki was the malware reverse engineering Subject Matter Expert (SME) and the Technical Director of advanced digital forensics in the Operational Technology Division at the Federal Bureau of Investigation. Mr. Opacki has a bachelor’s degree from George Mason University and a Master of Science in Information Technology from Virginia Polytechnic Institute and State University.


Stacy Shelley, VP of Marketing

Stacy Shelley is responsible for all aspects of global marketing and communications at PhishLabs. Mr. Shelley has more than 8 years of marketing experience with high-growth, award-winning technology firms in the information security industry. Mr. Shelley began his career at LURHQ, which was acquired by SecureWorks. Prior to joining PhishLabs, Mr. Shelley established and led the teams responsible for content marketing, messaging and proposals at Dell SecureWorks. Mr. Shelley holds bachelor’s degrees from Coastal Carolina University.

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Suzie Rybicki, Director of Talent Management & Organizational Development

Suzie Rybicki is responsible for leading the company’s efforts to attract, maximize, and retain talent. Prior to joining PhishLabs, she held HR leadership roles at Rewards Network, a restaurant merchant cash advance and marketing services company, as well as at General Growth Properties, which owns and operates best-in-class shopping malls through the US. Suzie holds a bachelor’s degree from DePaul University in Chicago, where she focused her studies on human resources management and organizational leadership.

Let’s fight back against phishing and prevent the exploitation of people – together.

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