James Turner

James Turner is the founder and Managing Director of CISO Lens. Since 2005, James has specialised as a security industry analyst and advisor; facilitating roundtable discussions, conducting primary research, and producing reports that provide evidence-based decision support.

Before creating CISO Lens, James was an Advisor at local advisory firm, IBRS. During his 11 years with IBRS, James authored over 100 advisory notes for clients, presented at all the major security conferences in Australia, and facilitated dozens of executive roundtables. 

From 2013 to 2016, James was the appointed Chair of the Advocacy Group and an authorised spokesperson for the Australian Information Security Association (AISA). This volunteer work entailed providing public commentary on various security issues and helping raise the profile of AISA. 

In 2019, James was designated an AustCyber AllStar in recognition for his years of supporting and advocating the Australian security industry, as well as for the publication of the CISO Lens Benchmark, which AustCyber stated was a globally unique resource.

James still writes occasional opinion pieces for the Australian Financial Review, providing commentary on cyber security matters, and is one of the most experienced facilitators of security executive discussions in the region. 

Nadia Yousef

As Country Manager for New Zealand, Nadia is integral to the ongoing mission of CISO Lens: to support the resilience of the region through enabling better cyber security governance. 

Nadia coordinates community collaboration, facilitates executive roundtables, conducts interviews, and gathers information from across the CISO Lens community, as well as helping to direct the CISO Lens research agenda. 

Before joining CISO Lens at the start of 2022, Nadia was the Manager for Incident Response at CERT NZ, where she ran a team of technical specialists that supported New Zealanders - individuals and organisations through any cyber security issue they were experiencing. 

As an authorised spokesperson for CERT NZ, Nadia frequently spoke to media about current issues and provided pragmatic advice to the public. Nadia also regularly briefed Ministers on current online issues, and regularly represented CERT NZ domestically and internationally.  

Nadia has both led and supported the New Zealand Government’s incident coordination and response to a range of incidents over the past ten years.

Nadia brings to CISO Lens a decade of experience in government, as well as a Master’s degree in Politics and International Relations.

David Cullen

David Cullen is the Director of Advocacy and Uplift for CISO Lens. David is responsible for building strategic partnerships between government and the CISO Lens community to improve national cyber security outcomes. 

David has nearly two-decades of public sector experience and is a respected adviser to Ministers and Boards across government and private industry. David brings to CISO Lens significant leadership experience in security, risk management, intelligence and strategy development across the cyber security and organised crime (including cybercrime) domains. 

Prior to joining CISO Lens in 2023, David was the Victorian Government Chief Information Security Officer, where he was responsible for coordinating the delivery of Victoria’s Cyber Strategy across more than 1,800 government organisations, while also leading operational responses to state significant cyber incidents. 

David is passionate about creating safe and secure communities. In 2019, David was recognised with a Resilience Australia Award for improving Victoria’s cyber security resilience, after leading broad consultation across government and private industry to establish Victoria’s cyber security emergency management arrangements, supporting improved cyber resilience for Victoria’s critical infrastructure and essential services.

David holds a Master’s Degree in Public Policy and Management and a Bachelor’s Degree in Criminal Justice Administration.