Colleen McMahon, CISSP, CISM

Colleen McMahon, CISSP, CISM

Chief Information Security Officer and Head of Global Security at Viatris

Viatris•Fernandina Beach, Florida, United States

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Experience34+ Years
LevelCXO

Executive Overview

Highly-qualified professional with more than 30 years of progressive leadership experience in Information Security within a multi-national pharmaceutical companies. Recognized Pharma Industry expert on the creation of standards for digital identity and information security with over 20 years of cyber security experience. Established multiple years of the corporate-wide information security strategy and roadmap which has served as the basis for the multi-year multi-million-dollar program which has delivered significant risk reduction over the last 5 years of its execution. 12 years of proven experience leading various cyber security operational teams including cyber incident response, application security testing and information leakage prevention. Over 15 years of experience authoring the board updates on the state of information security, proving the information security updates for external and internal executive reporting including the annual report. Provided testimony in federal and local courts related security incidents and intellectual property defense. Defined and delivered the multi-year security strategies for various security domains including mobility, insider threat, secure collaboration, secure hosting and application security.

Career Timeline

Professional employment history
  • ViatrisCurrent
    Nov 2020–Present· 5 yrs 11 mos
    • Chief Information Security Officer and Vice President, Global SecurityCurrent
      May 2021–Present
    • Chief Information Security Officer
      Nov 2020–May 2021
  • Nov 2019–Nov 2020· 1 yr
    • Managing Board Member
      Nov 2019–Nov 2020
  • Mar 2019–Nov 2020· 1 yr 8 mos
    • Chief Information Security Officer
      Mar 2019–Nov 2020
  • 2012–2018· 6 yrs
    • Member, Board of Directors
      2012–2018
  • 1999–Nov 2019· 20 yrs 10 mos
    • Deputy CISO, Head Information Security Strategy, Architecture and Engineering
      Mar 2018–Nov 2019
    • Deputy CISO, Head of Information Security Strategy, Architecture and Incident Response
      Feb 2013–Mar 2019
    • Deputy Compliance Officer, IT/HR Global Support Functions Risk and Compliance
      Jun 2011–Feb 2013
    • Head, Risk Management
      Nov 2008–Jun 2011
    • Senior Director, IT Security
      Sep 2006–Nov 2008
    • Team Lead, Technology & Business Effectiveness
      2004–Sep 2006
    • IT Program Manager, Alliances
      2002–2004
    • Developer, Small Projects and Rapid Application Development
      2001–2002
    • Team Lead, Clinical Trial Remote Data Management Support
      1999–2001
  • 1999–2000· 1 yr
    • Consultant, Professional Services
      1999–2000
  • 1992–1998· 6 yrs
    • Web Development and Security
      1992–1998

Executive Relationship Map

Reports To
Colleen McMahon, CISSP, CISM
Vice Chair & President
Chief Financial Officer
Chief Technology Officer
Chief Operating Officer

Executive Network Preview

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Skills & Expertise

20 of 20 skills
Risk AssessmentChange ManagementProject ManagementInformation SecurityIT Service ManagementGovernanceInformation TechnologyRisk ManagementVendor ManagementManagementCloud ComputingStrategySecurityInformation Security ManagementOutsourcingCross-functional Team LeadershipProcess ImprovementDisaster RecoveryITILIT Strategy