Executive Team


Paul Hooper

Chief Executive Officer

Paul Hooper headshot

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

Shane Buckley headshot

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

Dave Arkley headshot

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

Christel Ventura headshot

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.


Shehzad Merchant

Chief Technology Officer

Shehzad Merchant headshot

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.


Karl Van den Bergh

Chief Marketing Officer

Karl Van Den Bergh headshot

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.


Andrew Harding

Chief Product Officer

Andrew Harding headshot

Andrew Harding is Chief Product Officer and a key driver towards the Gigamon expansion of solutions to meet the networking demands of DX, 5G, and Cloud technologies. Andrew brings broad experience in network security, infrastructure systems and Cloud to lead the company’s product strategy to deliver innovative products quickly to market. He has held previous executive leadership roles at Aruba Networks, NETSCOUT, Cumulus Networks, and Juniper Networks. Andrew holds a Bachelor of Arts degree from the University of California, Los Angeles and is a multiple patent holder.


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.


Doug Woodley

Senior Vice President of Worldwide Sales

Ljubo Mandic headshot

Doug Woodley is Senior Vice President of Worldwide Sales, responsible for all Gigamon sales organizations including Enterprise, Federal, Service Provider, Inside Sales, Channel and Alliances, and Sales Engineering and Enablement. He is a results-driven leader with over 20 years of experience cultivating highly successful sales teams. In prior roles, Doug led enterprise sales team at Silver Peak Systems, Check Point, iPass, CompuServe/UUnet and Xerox. He holds a Bachelor of Arts degree in Communication from the University of Arizona.