Leo leads STATE Aviation, a consultancy supporting the industry in aviation safety, technologies, and test engineering. Leo has extensive leadership experience in rotary wing and unmanned aircraft systems design, operations, and maintenance and concurrently serves several ICAO working groups, regulatory bodies, standards-making organizations, and educational institutions as an advisor or working member.

A former senior officer and rotary-wing flight test engineer in the Republic of Singapore Air Force, he later joined Airbus, where he held key leadership roles in support engineering, aviation safety, and design for helicopters in the Asia-Pacific region. He also led Airbus’ Skyways Program in pioneering urban and maritime UAS deliveries and, subsequently, the Unmanned Aircraft Traffic Management (UTM) Lab in Singapore.

Leo is a graduate of the Empire Test Pilots’ School in Rotary Wing Flight Test Engineering and holds a PhD in Engineering Product Design specializing in novel aircraft design, an M.Sc. in Materials Science and Engineering, and a B.Eng in Solid-State Engineering Physics.

AJ Eserjose leads the strategic growth and operational development of OT-ISAC across the Asia-Pacific region. Her work focuses on driving innovation programs, strengthening alliance-building initiatives, and deepening engagement with Members, Alliance Partners, and key stakeholders within the operational technology (OT) and critical infrastructure ecosystem.

Overseeing daily operations, AJ works closely with asset owners, operators, and industry leaders to foster actionable, collective efforts that enhance OT cybersecurity programs and resilience.

Dr Yang Junjing is the Head of Built Environment Branch at the Environmental Health Institute, National Environment Agency. Dr. Yang received her PhD in Built Environment from National University of Singapore, MSc from the University of Reading, UK; and BEng from Tongji University.

Dr. Yang has rich experiences in ventilation, indoor environment quality, bioaerosol, and building energy efficiency. Her work has supported operations and policies that have been translated into local and international standards. Dr Yang has more than 48 journal publications and serves as member of several IAQ and ventilation standards both internationally and locally. She is an active member of ASHRAE, ISIAQ and IBPSA and was the ASHRAE Singapore Chapter President

Chandra Sekhar, Ph.D., Fellow ASHRAE, ISIAQ and Engineers Australia (FIEAust), is currently a tenured Professor in the Department of the Built Environment at the National University of Singapore. He was also a Programme Director (MSc – Building Performance and Sustainability) for about 25 years until June 2025. His research interests include thermal comfort, ventilation and indoor air quality, bedroom IEQ and sleep quality, airborne infection control, resilient and energy efficient HVAC systems, building energy analysis/management and integrated building design/operation. He has more than 330 publications in these fields in international journals and conferences. He has delivered several Keynote talks in international conferences around the world. He has been an ASHRAE Distinguished Lecturer since 2006 and is regularly invited as a speaker around the world. He has been recognised through several awards from ASHRAE, SHASE Japan, ASEAN, Singapore and India. Within ASHRAE, he is currently a member of Planning Committee, Finance Committee, SSPC 241 (Control of Infectious Aerosols) and TC 2.1 (Thermal Comfort); and a consultant of SSPC 62.1 (Ventilation and Acceptable Indoor Air Quality). He is a past ASHRAE Vice President and Board Member (2023-2025), DAL and Board Member (2018-2021), past Chair of Environmental Health Committee, past Vice Chair of Residential Buildings Committee and member of many Position Document Committees. He has also served the ASHRAE Singapore Chapter in various capacities, including as its President during 2010-2011 and as a BOG member. He was involved in the Residential and Applications teams of the ASHRAE Epidemic Task Force. He was an Invited Member of the WHO Environment and Engineering Control Expert Advisory Panel (ECAP) for COVID-19. He is also actively involved in standardisation activities in Singapore.

Ar. Lim Choon Keang has been appointed as Council Member of Singapore Standards Council since Apr 2023 and Chairperson of Building & Construction Standards Committee since Aug 2023.

He is the Founder and Managing Principal of CKLi:et Architects since 2013. He has more than 32 years of experience in master planning, architecture practice, interior design and project management. He has been a Council Member of Singapore Institute of Architects (SIA) since 2008 and Co-Chairperson of SIA Practice Thrust since 2015. He is the current Chairperson of Arcasia Committee of Professional Practice (ACPP) for 2026 – 2027 and was its Deputy Chairperson in 2025.

He was formerly Managing Director of Indeco Consortium, Board Director of CPG FM Pte Ltd, Deputy Director of Suzhou PM Link Pte Ltd and Senior Vice President (Architecture) of CPG Consultants Pte Ltd (Singapore) headed an architectural design studio consisting of architects, master planners and interior designers executing a wide range of projects in Singapore and abroad. As the Deputy Chairperson, Technical Committee (Architecture Works), Building and Construction Standards Committee in 2014 -2023, Ar. Lim had participated in the Working Group for Technical Reference on Facility Design Guidelines for Acute General Hospitals.

Joseph is the Managing Director of DLM Pte Ltd, a specialist building services engineering and contracting firm. He is also a registered Professional Mechanical Engineer in Singapore, IES registered Senior Chartered Engineer (SG), AFEO ASEAN Engineer and BCA registered Green Mark Advanced Accredited Professional.

Joseph sits on various government technical panels such as Enterprise SG’s Building Construction Standards Committee, Chairman of the Technical Committee for Building Maintenance and Management, Housing Development Board’s Mechanical and Electrical Engineering Advisory Panel, Building Construction Authority’s Energy Auditor Registration Panel, member of EEOA-SCEM Steering Committee and Chairman of M&E Resident Engineer / Resident Technical Officer.

Joseph is also active with The Institution of Engineers Singapore (IES) and is currently the Vice President for Engineering Excellence.

He is the Co-Convenor for SS 553:2026 Code of Practice for Air-conditioning and Mechanical Ventilation in Buildings, TR 141:2025 Code of Practice for Hybrid Cooling System for Air-conditioning, TR 102:2022 Code of Practice for Passive Displacement Cooling (PDC) System for Cooling Applications.

He got a Masters of Business Administration with specialisation in Real Estate from the National University of Singapore and also Bachelor of Engineering in Mechanical with Honours and Gold Medal Award in specialisation of Energy and the Environment from Nanyang Technological University of Singapore.

A dedicated champion of Singapore’s green building journey for over 20 years, Jeffery has been a key architect of three generations of the Singapore Green Building Masterplan. As Co-Convenor of the SS 553:2026, they lead the evolution of Singapore’s air-conditioning and mechanical ventilation standards toward a more resilient, pandemic-ready future.

With extensive experience spearheading national sustainability initiatives and cross-agency collaborations, Jeffery excels at bridging the gap between technical innovation and real-world impact ensuring our built environment achieves both high-performance efficiency and occupant well-being.

Dr Sim Shuzhen is Director of the Microbiology and Molecular Epidemiology Division at the Environmental Health Institute, National Environment Agency, Singapore. She oversees multidisciplinary efforts on risk assessment and surveillance of infectious diseases in the environment, including vector-borne diseases, wastewater surveillance, and environmental monitoring of antimicrobial resistance. During the COVID-19 pandemic, she led field and epidemiological investigations of airborne transmission risk in the built environment, and contributed to guidelines, standards and mitigation measures for ventilation and indoor air quality.

Dr Adrian Chong is an Associate Professor in the Department of the Built Environment at the National University of Singapore (NUS) and a Fellow of the International Building Performance Simulation Association (IBPSA). He leads the Integrated Data, Energy Analysis and Simulation (IDEAS) lab, an interdisciplinary group addressing the multi-faceted challenges of optimising building energy efficiency and performance. As a principal investigator, he has successfully secured research projects with total funding exceeding 10 million Singapore dollars. His research challenges conventional approaches to cooling and comfort in tropical buildings, advancing sustainable, adaptive, and data-driven alternatives to conventional building systems and operations. Adrian also serves as a subject editor for Building Simulation, an editorial board member for Energy and Buildings, and an Early Career Board Member for Building and Environment.

Nicolette Yeo is a familiar face in the space startup ecosystem, having spent the better part of her career driving space ecosystem-building. At the helm of SST Think Tank – Asia’s first think tank dedicated to the commercialization of space – she led its successful launch and defined its mission to mainstream space as a horizontal technology with real-world applications across sectors such as climate, connectivity, logistics, and national security. She spearheads key initiatives including the Growth Lab, which supports space startups in scaling globally, and an executive leadership program that introduces space-driven innovation strategies to corporate leaders.  Prior to this role, she oversaw the global Space Accelerator Programme at SSTL and supported space startups in business planning, market validation, internationalization, fundraising, and strategic partnerships. She also led innovation consulting projects for corporates in the space and adjacent sectors.  She started her career at the Singapore Economic Development Board (EDB) and went on to hold roles at SGInnovate and Entrepreneur First, contributing to investment, policy, and startup ecosystem development. She also brings first-hand experience as a founding team member in early-stage startups, where she worked on product strategy, partnerships, and organizational design.  

Dr Mark Lim is the CEO of Aliena and Space Expert-In-Residence to the Darwin Innovation Hub. Dr Lim is also the Chairman of the IEEE Nuclear and Plasma Sciences Society (Singapore Chapter), and an adjunct research scientist at Nanyang Technological University, Singapore (NTU, Singapore). Dr Lim is an elected lifetime Fellow of the Institute of Physics Singapore, and was listed as an Innovator under 35 by the MIT Technology Review (APAC) in 2021. He began his career in Singapore’s public service, and was instrumental in spearheading pioneering initiatives in advanced energy generation systems. He received his undergraduate and PhD education at NTU, Singapore. He was also part of the founding team that commissioned the first space propulsion research centre in Singapore, and led efforts in designing and implementing diagnostic systems for advanced Hall thruster research.

Dr Jan Smisek leads the Space and Defence verticals at Transcelestial Technologies, building next-generation laser communication systems to deliver secure, ultra-high-bandwidth connectivity for enterprise and government users. Since joining in 2020, he has helped move Transcelestial’s technology from lab demonstrations to real-world deployments, pushing the boundaries of wireless communication both on Earth and in space.

Before Transcelestial, Jan spent six years at the European Space Agency (ESA), designing tele-robotics control systems for space missions, including enabling the first-ever force-feedback teleoperation from the International Space Station. With over a decade of experience at the intersection of robotics, aerospace, and communication technologies, Jan is passionate about translating deep-tech innovation into systems that transform how industries connect and operate.

Clinton Libbey is a geospatial and earth‑observation executive with more than 30 years of experience applying satellite imagery and data analytics to improve transparency, accountability, and decision-making. He is the Founder and Managing Director of Kumi Analytics, where he focuses on leveraging satellite data and artificial intelligence to support credible environmental monitoring, reporting, and verification and to strengthen trust in sustainability outcomes.

Over his career, Mr. Libbey has played a pioneering role in the development of global satellite imagery platforms, high-resolution international imagery partnerships, and risk and monitoring systems used across environmental, insurance, government, and financial sectors. He previously held senior leadership roles at Google, including Global Strategy for Google Maps and Head of Business Development for Asia Pacific, where he helped scale geospatial technologies with global impact across a range of industries. His experience sits at the intersection of technology, environmental integrity, and market infrastructure.

Dr. Yee Fook Cheong is an Educator, Consultant, Researcher, Mentor, Facilitator and Executive Coach.

Dr. Yee is an Associate Professor of Engineering at the Singapore Institute of Technology (SIT). He is accredited with the Institute of Adult Learning as a Specialist Adult Educator (Curriculum Development). He is a Senior Chartered Engineer (Singapore), a SkillsFuture Fellow (Precision Engineering) and is the Deputy Chair, Systems Engineering Technical Committee of the IES and the Deputy Chair, Systems Engineering Sector Committee of the Chartered Engineering Board. He is also an industry mentor with NUS’s Lean Launchpad and NTU’s NTUitive.

In his current role, Dr. Yee conducts teaching, applied research and consultancy in advanced manufacturing. Together with his colleagues, he established a cyber-physical learning factory at SIT where different smart manufacturing technologies and systems, including the Smart Industry Readiness Index (SIRI), were demonstrated and taught. SIT was the first university to incorporate the teaching of SIRI in its curriculum.

Prior to this position, Dr. Yee was Vice President of Singapore Technologies Engineering Ltd, one of Asia’s largest defence and engineering companies. He held senior management positions within the ST Engineering group of companies in technology development & investment, advanced engineering & manufacturing, and business development. Dr. Yee sat on the Board of Directors of two subsidiary companies and served on the Advisory Committees of five academic institutions. He headed the company’s key thrust into Composites & Materials Technology and played an advisory role in many of its defence projects.

He completed a secondment to the Defence Science and Technology Agency as its Director (Industry Development). As the industry advocate, he led a team in nurturing the local industry’s capability in the design, manufacture, and product life cycle support of defence systems.

Dr. Yee was the founding Director of the Precision Engineering and Application Centre and concurrently, Director (Administration) of the Singapore Productivity and Standards Board. He has worked in the aerospace, disk drive, consumer electronics, environmental, automotive and defence industries where he
accumulated more than 40 years of technical, applied research, advisory and managerial experience.

Dr. Yee graduated from the National University of Singapore with a bachelor’s degree and a master’s degree in Mechanical Engineering. He holds a Ph.D. in Mechanical Engineering from the Nanyang Technological University, Singapore. He led a research group at the Institute of Manufacturing Technology, Singapore and completed applied research in near-net-shape manufacturing technologies the results of which were subsequently transferred to the industry.

Dr. Yee is also active in national and public service. He has served as an Honorary Aide-de-Camp to the President of Singapore and sat on SAFRA’s Management Committee and one of Ministry of Defence’s Supervisory Boards. Dr. Yee was the master trainer in ST Kinetics’ “Helping Others Succeed” management programme. He volunteers as an Executive Coach with the SAF and serves in his church as a Facilitator in marriage and parenting courses.

With over 25 years of experience in software engineering, systems analysis and design, requirements engineering, ERP implementation, and process re-engineering, Robert specializes in Application Lifecycle Management (ALM), Model-Based Systems Engineering (MBSE), and Digital Engineering. His expertise spans UML, SysML, UAF, and enterprise architecture frameworks, integrating AI-driven analytics, cybersecurity, and systems-of-systems design to enhance reliability, traceability, and digital transformation across complex engineering environments.

Specialties:

• Model-Based & Digital Engineering (MBSE, SysML, UAF)
• System-of-Systems & Enterprise Architecture
• Process Re-engineering & ALM Integration
• AI, Cybersecurity & Digital Transformation