Canberra Committee Members 

Branch Chair

Leonard Kleinman

Len Kleinman is the Field Chief Technology Officer (CTO) & Evangelist - Cortex (Asia Pacific & Japan), for Palo Alto Networks and the former Chief Cyber security Advisor for RSA International. He has over 30 years of experience in the information technology industry, with an early focus on Oracle CASE, network operations and database administration. His current focus is to work with executives and business stakeholders to make security a strategic priority that translates into business value, while protecting our digital lives. Prior to this, Len has worked in senior roles in IT security at the Australian Tax Office, including the Senior Director of Vulnerability Management and Research, governance and risk, compliance, and the IT Security Advisor role. Focus areas included specialist advice and policy on a range of business and technical activities, strategic and operational planning, service provider engagement, contingency and incident response, and threat intelligence.

Committee Members

John Karabin

John Karabin is the National Director of Cybersecurity for NTT Ltd Australia. With over 25 years’ experience in the telecommunications, ICT and Security industry, he has worked for both start-ups and multinationals in Europe, the US, Asia and Australia. Previously he was a partner with EY involved with setting cybersecurity strategy, assurance and audit work covering both the government and commercial sectors. Before that he was the Managing Director that ran the Verizon cybersecurity group for the APAC region. Over his career he has developed broad experience in bringing together technology and business requirements in a trusted and resilient manner.

John recognises the IT, cybersecurity landscape and the threats that impact it are changing on a daily basis. Therefore it is crucial that security is seen as more than a matter of technology – a knowledgeable risk based organisational approach is needed. 

John has a Graduate Diploma in Technology Management from Deakin University, and a Bachelor of Engineering, Communications from Curtin University. He is a member of the Australian Institute of Company Directors, and the Australian Information Security Association.

Jack Bell

Jack became an AISA member in 2018 and joined the Canberra branch committee the same year. 

In 2017 Jack was given an opportunity to start his cyber security journey with a move to Sydney with Shearwater Solutions. Transferring back to Canberra at the start of 2018 in an account management role, Jack worked to assist Federal Government and Commercial entities to achieve their business outcomes by resolving their application security, operational security, education and governance, risk and compliance challenges.

Jack currently works as the Engagement Lead for the ANU Cyber Institute working to establish and maintain strategic partnership agreements with industry, government and the community.

Glenn Maiden


Glenn is the Director of Fortiguard Labs; heading up Threat Intelligence operations for Australia. FortiGuard Labs build the security intelligence that underpins advanced security technologies like AI, antivirus, intrusion prevention, and email & web security.

Glenn works closely Fortinet front & back office teams, the Australian Cyber Organisations, CERTs, partners, and customers to build resilient defence systems via intelligence-led security fabrics.

Glenn commenced his career with the Australian Defence Organisation in the mid-90’s & moved to the Australian Intelligence Community (AIC) in 1999.

Glenn’s activities included systems engineering, risk management, threat analysis, reporting; and support to Defence operations. Highlights from this time include supporting counter-terror and military operations, supporting non-combatant evacuation operations, and leading Australia’s first collection of Human Terrain Intelligence from Afghanistan.

Glenn moved to the ATO in 2011 as the Agency’s Cyber Security Advisor, coordinating priority security issues across the organisation.

After leaving government in 2014, Glenn ran Cyber Operations for Lockheed Martin’s Defence Centralised Processing project – a $1BN project to protect Defence's sensitive information. Glenn moved to Cisco in 2016 to lead the Security & Trust Office for Australia and New Zealand.

Glenn has degrees in Business (Management) and Science (ICT); and diplomas in Security Risk Management & Project Management. Glenn is married with two daughters and a son, and spends his free time on his farm near Canberra.