Tammie Tham is the Group Chief Executive Officer at Ensign InfoSecurity.

Tammie is an industry veteran with 20 years of experience in the cybersecurity field. Prior to Ensign, she was the Chief Executive Officer and Founder of Accel Systems & Technologies.

She serves on the Board of Trustees of the Singapore Institute of Technology and the Mediacorp Board. She is also the Honorary Secretary of SGTech and the Co-Chair of the Cyber Security Awareness Alliance.

Johnny Kho has over 20 years’ experience in Information Technology and Cyber Security with broad experience in Security Solutions, Operations and Consulting in both technical and business roles.

He is currently a director leading the Cyber Product and Engineering team in Singtel.

Under Singtel, he has done various transformational roles in both managed ICT and Cyber services, whereby he has led the Managed Security Services Team, Emerging Technology Solution Team as well as Cyber Security Product Team for Asia.

Prior to Singtel, he is a Regional Business Development Manager with Systex Corporation, as part of the team guiding the solution strategy for the Asia Region. He constantly engages with Vendors, Partners and Customers in a business and advisory role; covering key areas in Web Application Security, Compliance and Risk Management as well as IT Operations Optimization.

He has previously taken on Product Management and Solution Consultant roles with NetIQ (Attachmate), Frontline Solutions and Internet Security Solutions (IBM) mainly in enterprise security especially in areas of intrusion prevention, vulnerability management and security incident and event management from solution and operations perspective.

Mr David Koh is the Commissioner of Cybersecurity and Chief Executive of the Cyber Security Agency (CSA) of Singapore.

He sits on the boards of the Government Technology Agency, DSO National Laboratories, the Monetary Authority of Singapore Cyber Security Advisory Panel and the Healthcare Cybersecurity Advisory Panel.

Prior to his current appointments, Mr Koh served in the SAF and held various command and staff appointments in MINDEF and the SAF, including Deputy Secretary (Special Projects) and Defence Cyber Chief of MINDEF.

Mr Koh is the recipient of the first Billington CyberSecurity International Leadership Award.

Professor Chee Yeow Meng is Professor of Industrial Systems Engineering & Management, and Vice President (Innovation & Enterprise) at the National University of Singapore (NUS). He received the BMath, MMath, and PhD degrees in computer science from the University of Waterloo in 1988, 1989, and 1996, respectively.

Prior to his tenure at NUS, Professor Chee was Head of the Division of Mathematical Sciences (2008-2010), Chair of the School of Physical and Mathematical Sciences (2011-2017), and Interim Dean of the College of Science (2018-2019) at the Nanyang Technological University.

Prior to entering academia, Professor Chee has held senior positions in public service, including Head of Security (Information Infrastructure) and Assistant Director of Internationalisation at the National Computer Board, Deputy Director of Strategic Programs at the Infocomm Development Authority (IDA), and Program Director of Interactive Digital Media R&D in the Media Development Authority, where he was responsible for a $50M fund that supports digital media research in Singapore universities. He deployed South East Asia’s first certification authority Netrust in 1997, and also founded the Singapore Computer Emergency Response Team (SingCERT).

He has represented Singapore in various international forums, including member of the APEC Electronic Commerce Task Force in 1998, member of the ASEAN Coordinating Committee on Electronic Commerce in 1998, member of the Working Group on ASEAN Information Infrastructure in 1999, secretariat of the Canada-Singapore IT Joint Council in 1998, co-Chair of the APEC TEL Public Key Interoperability Expert Group in 1999, secretariat of the Australia- Singapore ICT Joint Council in 1999, and a member of APEC Project DARE (Data Analytics Raising Employment) Advisory Board in 2017.

At the national level, Professor Chee was a member of the National IT Security Committee and its Expert Sub-Committee in 1997, a member of the National Information Infrastructure Standards Security Working Group in 1997, a member of the E-Commerce Hotbed Policy Committee’s Legal, Regulatory and Enforcement Study Group – the group that drafted Singapore’s Electronic Transactions Act, a member of MOE’s Evaluation Committee for R&D Programme on IDM in Education in 2007, a member of the Smart Solutions Committee of Singapore Corporation of Rehabilitative Enterprises (SCORE) in 2015, and a member of the Core Group of NRF’s Singapore Data Science Consortium in 2016.

In 2000, Professor Chee began his entrepreneurial journey as a co-founder of a spin-off company, Unfinity Pte Ltd, from IDA. He went on to found a few more startups: Idea Foundries Pte Ltd, Canvas Ventures Pte Ltd, and Netorics Pte Ltd, before returning to public service, and eventually joining NUS. He continued to be involved in startup companies and have spun off Matchimi Pte Ltd in 2014 and Mentum Pte Ltd in 2017. Professor Chee was on the judging panel of the Singapore IT Federation Awards in 2011 and 2012, and a member of the iJam Expert Panel of the Singapore IT Federation 2011-2013.

Professor Chee is a Fellow and Council Member of the Institute of Combinatorics and its Applications, and a senior member of IEEE. His research interest lies in the interplay between combinatorics and computer science, especially coding theory, extremal set systems, and their applications.