Executive Team


Paul Hooper

Chief Executive Officer

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Paul Hooper is the CEO of Gigamon, and was previously the Vice President of Marketing and Product Management. Paul is a networking and high tech industry veteran who joined Gigamon from Extreme Networks where he held numerous executive positions including Chief Marketing Officer, Vice President and General Manager for the Volume Products Group, and Chief Information Officer. Paul has held a broad range of leadership positions in marketing, product development, business management, and information technology within a range of organizations including Extreme Networks, myCFO, Inc., JDS Uniphase, Netscape Communications, and Sun Microsystems.


Shane Buckley

President and Chief Operating Officer

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Shane Buckley is President and Chief Operating Officer of Gigamon with responsibility for expanding the company’s business and markets worldwide. He brings more than 20 years of executive management experience to the team and joins Gigamon from Xirrus where he was CEO prior to its 2017 acquisition by Riverbed Technology. Prior to that, Shane served as the General Manager and Senior Vice President at NETGEAR, where he led its commercial business unit to 50 percent revenue growth over two years. Before NETGEAR, Shane was President and CEO of Rohati Systems, a leader in cloud-based access management solutions, and COO at Nevis Networks, a leader in secure switching and access control. Shane is a graduate of engineering from the Cork Institute of Technology in Ireland. 


Dave Arkley

Chief Financial Officer

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Dave Arkley is the CFO at Gigamon with responsibility for finance and accounting, information technology and manufacturing. He brings more than 20 years of financial, technological and operational experience to Gigamon. Prior to joining Gigamon, Dave served as CFO at IDS, a global fintech leader that proves software and solutions to the banking and financial services industries. Dave also served as CFO at Vertafore, the PE-backed leading provider of cloud-based software and services to the insurance industry with over 25,000 customers. Dave was critical part of the company's $2.7B sale from TPG to Bain Capital and Vista Equity Partners. Dave’s role as CFO also includes such companies as Edifecs, Parallels and Itron. 


Christel Ventura

Chief People Officer

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Christel Ventura is the Chief People Officer at Gigamon where she leads the team that is responsible for staffing world-class teams and nurturing the corporate culture. Prior to joining Gigamon in 2015, Christel led Global HR Shared Services at Yahoo! as well as HR leadership positions for the Mobile Applications Team, Global Products Division and the Media Business. Christel has also served as an HR Business Partner at Intuit and Credence Systems. Christel holds a Bachelor of Arts (B.A.) in Sociology with Specialization in Business Administration from University of California, Los Angeles.


Shehzad Merchant

Chief Technology Officer

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Shehzad Merchant serves as Chief Technology Officer of Gigamon bringing over 20 years of experience in the high-tech industry. Shehzad has a strong background in cyber security, networking and communications. His current areas of focus include cyber defense modeling, policy, as well as security in the world of connected devices. He is the author of several networking, communications and security patents, and is a speaker and panelist at various industry events. Shehzad holds a Masters Degree in Computer Engineering from USC and an Electronic Engineering degree from the University of Mumbai.


Karl Van den Bergh

Chief Marketing Officer

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Karl Van den Bergh serves as Chief Marketing Officer of Gigamon where he is responsible for global awareness and demand for the Gigamon solution portfolio. Karl most recently served as the CMO at DataStax where he led a successful digitally-driven marketing machine. Throughout his 20+ plus year career, Karl has held go-to-market and product leadership roles in $1B+ tech companies as well as working as part of the executive team at early-stage startups. Karl graduated with a BA in Physics from Trinity College Dublin, a master’s in computer science from Imperial College London and a Diploma in Humanities from Loppiano University in Florence Italy.