Vision, Innovation, and Growth

Meet the ExtraHop Leadership Team

Patrick Dennis

Patrick Dennis

Chief Executive Officer


Patrick Dennis is the chief executive officer of ExtraHop. Working alongside a world-class executive team and a seasoned board of directors, Patrick is responsible for driving company-wide strategy and priorities with a focus on customer success, innovation, and rapid, scalable growth.

Patrick brings to ExtraHop more than two decades of experience leading both public and private high-growth technology and cybersecurity companies. Prior to his appointment at ExtraHop, Patrick was the CEO of Alvaria Software which was formed through the merger of Aspect Software and Noble Systems. Patrick has also held CEO roles at Aspect Software and Guidance Software (acquired by OpenText), as well as leadership roles at EMC and Oracle. He has also served as an operating executive at Vector Capital, where he consulted with founders, boards, and private equity partners about strategic planning, growth, and capital requirements.

Patrick holds a B.S. in Information Technology from the Rochester Institute of Technology and is a member of the American Economic Association.

In his free time, he can be found enjoying beautiful mountain views from his home in Colorado.

Matt Parson

Matt Parson

Chief Financial Officer


Matt Parson is the chief financial officer at ExtraHop where he is responsible for directing the company's financial strategy and operations as well as overseeing and implementing all financial reporting, forecasting, accounting, tax functions, and corporate operations.

Matt brings more than two decades of successful financial leadership experience to his role at ExtraHop and has served in financial leadership positions of several SaaS and technology businesses throughout periods of rapid growth and evolution. Prior to joining ExtraHop, Matt held CFO roles at Paymentus, a publicly traded SaaS-based payment solutions provider, and CloudBees, an enterprise software delivery platform. As CFO of Paymentus, Matt played an instrumental role in their IPO. Matt also spent 12 years at Red Hat where he helped the infrastructure software company realize exponential growth across a number of roles in the organization as the company grew from around $200M to almost $3B in revenue. He has a track record of developing and maturing hyper-growth technology companies.

Matt holds a B.S. and Master's in accounting from North Carolina State University.

Jesse Rothstein

Jesse Rothstein

Chief Technology Officer
and Co-Founder


Jesse Rothstein is co-founder and chief technology officer at ExtraHop. Jesse's technical vision and expertise in enterprise networking provide ExtraHop with a competitive edge in the industry. With a world-class team of engineers behind him, Jesse is responsible for the technical direction and architecture of the ExtraHop platform. He also served as chairman of the ExtraHop board of directors until the company was acquired by Bain Capital Private Equity and Crosspoint Capital Partners in 2021.

Before ExtraHop, Jesse held a six-year tenure at F5 Networks where he was a senior software architect and co-inventor of the TMOS platform at F5. Additionally, Jesse was the architect and project lead for the BIG-IP v9 development effort and the technical lead for frameworks, clustering, and performance. Before F5, he worked in product development at Motive Communications and the Trilogy Development Group.

Jesse specializes in designing and implementing enterprise-class cybersecurity and networking products. Jesse holds bachelor's degrees in Computer Science and Electrical Engineering from Rice University.

Raja Mukerji

Raja Mukerji

Chief Customer Officer
and Co-Founder


Raja Mukerji is the chief customer officer and co-founder at ExtraHop Networks where he is responsible for customer services, solutions architecture, business development, and technical alliances. Raja drives customer success, leveraging his operational background in the financial-services industry.

Raja co-founded ExtraHop in 2007, after a seven-year tenure at F5 Networks where he was a senior software architect and co-inventor of the TMOS platform. Raja was a lead developer behind the BIG-IP v9 product and the major accounts liaison for critical customer-facing issues within product development. Before F5, Raja worked as a technology architect at Strong Capital Management.

Raja is a renowned expert in application delivery and network protocols. He was involved in the FreeBSD project and contributed several enhancements to its TCP stack. Raja holds a bachelor's degree in Computer Engineering from the Milwaukee School of Engineering.

Chris Scanlan

Chris Scanlan

President and Chief
Commercial Officer


Chris Scanlan is president and chief commercial officer at ExtraHop where he leads global sales and revenue operations with a focus on delivering value to customers and partners through great technology and meaningful programs. His team includes field sales, sales engineering, channel sales, and renewals. Chris brings extensive sales and executive experience to ExtraHop, including deep relationships with global enterprise customers and integrators, strong revenue operations leadership, and proven field sales development.

Before joining ExtraHop, Chris served as CEO of Defy Security, a cybersecurity value-added reseller, where his mission was to create the infrastructure and plan to support the company's growth from $170M to $500M. Prior to that role, Scanlan was president of Americas for Check Point Software and SVP of North America Sales for Cylance. In both roles, he helped build the foundation for accelerated company growth and expansion. He also brings extensive experience in the channel and partner ecosystem to his role through his long tenure at Optiv. Chris sits on the advisory board of numerous cybersecurity startups.

Chris earned a bachelor's degree in international relations from California State University-Chico and is a graduate of the Anderson School of Business from the University of California, Los Angeles. He also received a certificate in computer networking from the University of Colorado Boulder.

Christine Nurnberger

Christine Nurnberger

Chief Marketing Officer


Christine Nurnberger is the chief marketing officer at ExtraHop, where she leads the company's global marketing strategy with a metric-driven and collaborative approach built to align multiple business functions and deliver growth.

To her role at ExtraHop Christine brings more than two decades as a revenue marketing and business operating executive with deep experience in bringing functional alignment across product, marketing and sales to tap into new global markets and expand in existing markets. Christine's pioneering revenue-driven approach has helped B2B organizations transform marketing from a cost-center into a profit-center and strategic business driver. Prior to joining ExtraHop, Christine spent eight years as the CMO at Bottomline, a leading provider of business payment automation and digital banking solutions. Prior to Bottomline, Christine held senior Marketing and Business Development leadership roles at Sunguard, Infor, and IMlogic (acquired by Symantec).

Christine holds a Bachelor's degree from Gettysburg College.

Lauren Zajac

Lauren Zajac

Chief Legal Officer


Lauren Zajac is the Chief Legal Officer at ExtraHop, where she oversees the company's global legal, ethics and integrity, and compliance strategy and operations.

To her role at ExtraHop Lauren brings more than two decades of experience building and leading legal and compliance operations aligned to strategic business outcomes for high-growth technology companies, including Workhuman, Macromedia, Metatomix, and Riverdeep (now Houghton Mifflin Harcourt Learning Technology). In addition to her in-house professional experience, Lauren previously ran her own legal practice advising small to midsize businesses and startups.

Outside of her corporate role, Lauren serves as board chair for Leadermom and is on the board of The Soul Project. She is a champion of girls' education in science and technology and the support and resourcing of women in technology and an advocate of female leadership. She is also a charter member of TechGC, an independent, invitation-only, peer community for General Counsels and a member of the Forbes Technology Council.

Lauren holds a B.A. in English from Boston College and a J.D. from the Maurice A. Deane School of Law at Hofstra University.

John Hoffman

John Hoffman

Chief People Officer


John Hoffman is the chief people officer at ExtraHop where he leads the company's employee success, recruiting, and environmental, social, and corporate governance (ESG) strategy. In this role, John works to foster a teamwork-oriented and high-performance culture in which each individual can do the best work of their career while providing ExtraHop customers with a world-class experience. He also leads the company's Diversity, Equity, and Inclusion initiatives, working with leaders and individuals across the company to bring about lasting transformation throughout the organization.

To his role at ExtraHop, John brings more than 20 years of experience building, enabling, and leading high performing teams across human resources, sales, R&D, and business development for major technology companies including EMC, Oracle, Guidance Software, and Alvaria. These professional experiences have given him unique insight into organizational dynamics, team building, and the importance of diverse perspectives and experiences in delivering customer value.

John holds a B.A. in psychology and political science from Hobart and William Smith Colleges, and a Master's in psychology from the University of Virginia.

John Matthews

John Matthews

Chief Information Officer


John Matthews is the chief information officer at ExtraHop Networks, where he oversees the continuous expansion of the ExtraHop IT environment and counsels the company's enterprise customers as they evolve their IT operations.

Before joining ExtraHop, John led IT strategy at F5 Networks, where he was CIO for nearly a decade. While at F5, John provided strategic technology and management assessments, as well as a common-sense approach to IT operations that provided the best capabilities to the business with the least risk. John guided F5 to the early adoption of new technologies, such as SaaS and cloud computing, to drive costs down while raising overall quality.

Previously, John served as an IT leader for MSN Operations at Microsoft, as CIO at Towne Exploration Company, and as director of IT operations at Adobe.