Author Profile

Leigh McMullen

Leigh McMullen

Distinguished VP Analyst

13 years at Gartner,  32 years' experience

Location:  TX USA  |  Language(s):  English

Roles and Responsibilities

Leigh C. McMullen is a Distinguished Vice President, Analyst and Gartner Fellow in Gartner's CISO, Security & Risk Management team. Mr. McMullen leverages his experience as both a line-of-business manager and IT leader to provide CISOs with insight on navigating and making a difference within the C-suite. Additionally, he provides clients with a holistic view of executive management leadership research, specializing on the topics of politics, influence, culture, business engagement, internal selling, marketing & communications. Mr. McMullen's Fellows work, the Delta Business Operating System examines business operating models which are designed to change and adapt rather than just scale.


Previous Experience

Mr. McMullen is an executive with a diverse background that enables him to engage clients in a variety of disciplines and to speak from experience regarding the challenges of both making a profit and supporting the business with IT. He has held a variety of business and IT roles, ranging from line-of-business/P&L manager to CTO.

Professional Background

  • Capgemini Ernst & Young, Vice President, 7 years
  • Capgemini/Sogeti, Practice Vice President, 4 years
  • HomeBanc Mortgage, Senior Vice President, Chief Architect, 3 years

Industry Awards/Accolades

  • Gartner - Presentation Excellence Award - 2015
  • Gartner - Thought Leadership Award - 2012, 2017