Executive Team


Paul Hooper

Chief Executive Officer

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Paul Hooper is a networking and high-tech industry veteran that has held key positions at Gigamon including CMO and Vice President of Marketing and Product Management before his appointment as CEO in 2012. 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 with responsibility for expanding the company’s business and markets worldwide. He brings more than 20 years of executive management experience to the team with prior roles including CEO at Xirrus, General Manager and Senior Vice President at NETGEAR, President and CEO of Rohati Systems, and COO at Nevis Networks. 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 with responsibility for finance and accounting, information technology and manufacturing. He brings more than 20 years of financial, technological and operational experience to the executive team. Prior to Gigamon, Dave served as CFO at various companies including, IDS, Vertafore, Edifecs, Parallels and Itron. 


Christel Ventura

Chief People Officer

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Christel Ventura is Chief People Officer where she leads the team responsible for staffing world-class teams and nurturing corporate culture. Prior to joining Gigamon in 2015, Christel led Global HR Shared Services at Yahoo! and prior to that was an HR Business Partner at both Intuit and Credence Systems. Christel holds a BA in Sociology with Specialization in Business Administration from the University of California, Los Angeles.


Karl Van den Bergh

Chief Marketing Officer

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Karl Van den Bergh is Chief Marketing Officer and is responsible for global awareness and demand for the Gigamon solution portfolio. 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. Prior to Gigamon, Karl was CMO at DataStax.  Karl holds a BA in Physics from Trinity College Dublin, a Master of Computer Science degree from Imperial College London and a Diploma in Humanities from Loppiano University in Florence Italy.


Shehzad Merchant

Chief Technology Officer

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Shehzad Merchant is Chief Technology Officer bringing over 20 years of experience in the high-tech industry with a background in cyber security, networking and communications. His areas of focus include cyber defense modeling, policy, and 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 Master of Science degree in Computer Engineering from USC and an Electronic Engineering degree from the University of Mumbai.


Ananda Rajagopal

Vice President of Products and Solutions

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Ananda Rajagopal is Vice President of Products and Solutions, responsible for all aspects of product strategy including the definition, positioning, and lifecycle management of the company product portfolio. Prior to Gigamon, Ananda held many executive product management and strategic engineering positions at Brocade (previously Foundry Networks), Ascend Communications and Wipro in Bangalore. Ananda holds a Bachelor of Engineering degree from the University of Mysore in India, a Master of Engineering degree from IIT in India and an MBA in Technology Management from Santa Clara University.


Ljubo Mandic

Senior Vice President of Engineering

Ljubo Mandic headshot

Ljubo Mandic is Senior Vice President of Engineering and brings almost 30 years of experience in software and hardware engineering to Gigamon. In prior roles, Ljubo was Vice President at Juniper Networks and Vice President of R&D at Harmonic Inc. Ljubo holds a Bachelor of Science degree in Computer Science and Engineering from the University of Sarajevo, a Master of Science in Computer Engineering degree from Santa Clara University and an MBA from Jones International University. He also has additional training from the Executive Program at Stanford University, and a Professional Coaching certification from UC Davis Continuing and Professional Education.