Warren Puy Arena, CISA Director of Information Technology

[P] 404.420.5684
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Background & Experience

Warren is an engineer with a Masters degree in Management from The Georgia Institute of Technology. His previous experience includes four years as a project engineer at an international oil conglomerate. He joined PKM in 1992. He heads the firm’s Information Technology Infrastructure Services (ITIS) consulting practice. His expertise lies in the design, specification and implementation of information systems solutions for the manufacturing and service industries. He has extensive experience with computer network design and security; “groupware” and enterprise resource planning software; data analysis and business intelligence tools; network vulnerability and infrastructure reviews; ATM network PIN security and encryption Key management audits; and management of information technology projects.


  • Certified TG-3 Auditor
  • Certified Information Systems Auditor (CISA)
  • IBM Certified Lotus Professional (CLP)
  • Computer Integrated Manufacturing Systems certification, Georgia Institute of Technology
  • Masters degree in Management, Georgia Institute of Technology
  • B.S. degree in Mechanical Engineering, Simon Bolivar University

Organization Involvement

  • Information Systems Audit and Control Association
  • Instrument Society of America, Member
  • Industrial Computing Society, Member

Hobbies & Interests

Warren enjoys playing golf and taking care of his young family.


“Warren is very personable, thorough, and technical, all at the same time. It was a pleasure having him in our facilities. I am sure he provides the same quality of service, wherever he goes.”

Fred Pinson
VP Risk Management
Peoples National Bank