The Westin Las Vegas Hotel & Spa, Las Vegas

Speakers 4th CISO 360 Americas 2024

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Our programmes are highly researched and “led by, for and with” C-Level practitioners who do the job day in and day out. 

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Meet our international speaker panel to date – Las Vegas 2024

Paul is an experienced operational risk manager with over 45 years experience across public and private sectors. He has held senior risk appointments with financial services, insurance and data provider firms. His prime responsibilities have covered technology and cyber risk. He has been a Chief Information Security Officer, has held second line roles as the Chief Technology and Cyber Risk Officer and was the Chief Risk Officer for Bloomberg LP.

A strategic thinker he has frequently been head hunted to establish first- and second-line technology and cyber risk functions. His prior appointments have been at UBS Investment Bank, Aviva plc, Bridgewater Associates, Bloomberg and Citi Group.

Prior to entering the private sector, Paul served in the Royal Air Force Police achieving the rank of Wing Commander. It was in the RAF that his training and experience in protective security and information security was first founded.

Paul brings a wide range of operational risk experience having developed first and second line teams to govern and oversee the approach necessary to managing the technology and cyber risks that companies face. He has had extensive experience of working with financial regulators and delivering comprehensive solutions to address the ever evolving yet sophisticated cyber threat.

In addition to his professional experience, he has been a keen advocate of diversity and inclusion in the work force, and has been instrumental in the development of good practices for employee network groups and policies to support LGBT employees.

He has served on the Boards of Trustees of Stonewall UK, and The Hetrick Martin Institute based in New York.

In 1995, Paul was honored by HM The Queen and appointed to The Order of the British Empire as a Member.

He is married and lives with his husband in Rancho Mirage, CA.

Mr. Ohanian is the Information Security Officer for Los Angeles (LA) County Department of Children and Family Services (DCFS), the largest child welfare institution in the nation. He has 20 years of experience in information technology, cybersecurity and defense strategies, risk management, forensics, privacy, compliance, cloud security, business continuity, and software engineering in the private and public sectors. Before DCFS, he served as the first Information Security and Privacy Officer at LA County Counsel. He established an Information Security and Privacy program and ensured compliance with legal mandates.

As a scholarly-practitioner, visionary, and innovative Information Security Officer, Mr. Ohanian has architected and implemented cybersecurity and privacy programs from the ground up, interwoven cybersecurity into the business culture, creating a security-conscious enterprise, and assertively achieved the organization’s mission of service excellence through outstanding leadership, governance, strategic planning, business acumen, and cost-saving transformation initiatives.

Mr. Ohanian is an active member of various Cybersecurity taskforce and workgroups, leads and oversees the Countywide Risk Management Cybersecurity Team responsible for developing and implementing administrative, technical, and tactical strategies to assess and reduce cybersecurity risks to County information assets.

Mr. Ohanian has been a keynote speaker and panel member in numerous private and public sector conferences. He is a Ph.D. Dissertation Committee Member for Cybersecurity using Artificial Intelligence at Center for Information Systems & Technology Claremont Graduate University.

Mr. Ohanian has a Bachelor’s degree in Computer Science from Cal Poly Pomona (magna cum laude) and obtained his dual Master’s Degree in Cybersecurity and Business Administration at the University of Maryland (UMUC). He is currently pursuing a Ph.D. in Industrial/Organizational Psychology program.


After 25 years’ service as an officer in the Royal Marines, Mark made the transition into Corporate Security in 2006. He has been the Director of Global Security at Smiths Group, Cadbury, Philip Morris International and PwC before taking up their present position as Group Security Director at CRH.

Specialties: Security of People, property, information and reputation. All levels of investigation (including fraud and corruption), risk assessment and mitigation, contingency planning, crisis management, business intelligence and business continuity.


Dr Leivesley,  is an international communicator for media during events that are catastrophic in nature, including cyber, terrorism, natural disasters, infrastructure and nuclear war risks.  She has a breadth of experience on cyber security of the built environment and has served as a member of the Technical Committee advising on Code of Practice-Cyber Security in the Built Environment for the British IET.

She has experience in running disaster recovery units and leading reforms of government emergency and safety services.  Her prime focus is on the protection of life and critical infrastructure from extreme threats including cyber, terrorism and nuclear war.  

She has worked with global USA corporations on cyber and physical risk strategy for catastrophic incidents using exercises with Boards and facilitating executive meetings.  In 2021 she has presented to the Baker Institute, Rice University on vulnerabilities in the energy sector and nuclear conflict risks in the South and East China seas.  In 2015 she presented to the Electrical Infrastructure Security Council’s conference in the Capitol Building on Black Swan energy risks. Dr Leivesley has led many international science meetings on resilience, nuclear conflict mitigation, Covid-19 mitigation and planetary defence against hazardous near-earth objects

Dr Leivesley has been a commentator on many international television news outputs including BBC World Service describing live international and UK incidents and all major forms of threat – cyber, terrorism, aviation, Polonium-210 and Novichok poisonings, Chechen terrorist Beslan child hostages, security issue with Iran, DPRK, USA Presidential security, Covid-19, and unexplained incidents such as MH370 leading to media stories in all countries on novel concept of cyber hijack as new risk in civil aviation.

Dr Leivesley had Scientific Advisory training during the Cold War from the British Home Office to work on national survival from nuclear, chemical and biological weapons effects and held an appointment for operations in civilian nuclear bunkers.  She holds a PhD, London University on catastrophic risk across all industry sectors, awarded in field of Economics.  She is a specialist in CBRN for the British Register of Security Engineers and Specialists RSES, a Member for 25 years of the International Association of Bomb Technicians and Investigators (IABTI), a Member of the Royal United Services Institute for Defence Studies, and a Member of the Australian College of Education.

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