Singapore’s Digital Assets Exchange

Real Access.
Real Value.

Our mission is to level the investment playing field by empowering investors with access to institutional-grade global opportunities
Private Markets Singapore

Our Story


  • Established Minterest Pte Ltd


  • Seed funding and launching of digital investment platform


  • Nominated as one of the Best Small Companies to Watch by The Silicon RevIew


  • Winner of the Dun & Bradstreet Business Eminence Awards 2019 for business excellence


  • Strategic investment from ARA Asset Management and John Lim
  • S$8M SME Help Fund was launched to support COVID-19 affected businesses
  • Completed S$35m real estate deal
  • Top 50 Rising Startups in Southeast Asia 2020


  • Obtained Recognised Market Operator License from MAS to operate digital asset exchange
  • Formation of SDAX Financial
    via merger with Digiassets Exchange
  • Launch of SDAX Exchange for listing and trading of tokenised asset-backed digital securities 
  • Strategic investment from The Straits Trading Company


  • Minterest rebranded as SDAX Capital Markets
  • Exceeded $300m asset listing on SDAX Exchange 


  • Exceeded $1 Billion listings on SDAX Platform
  • ⁠Raised over $500 million on SDAX Platform
  • Launch of SDAX Mobile App
  • Joined the Hyperledger Foundation

Our Team

Get to know the management team leading the charge 

Rachel Chia

Acting Chief Executive Officer

Private Credit Singapore

Freddie Tan

Chief Financial Officer


Steven Yeo

Chief Technology Officer

SDAX Exchange Board of Directors

Paul Khoo Boon Hui was the Singapore Police Commissioner from 1997 to 2010 and INTERPOL President from 2008 to 2012. Upon his retirement from the Ministry of Home Affairs as its Senior Deputy Secretary in January 2015, he was appointed as a Senior Fellow. He is an Advisor to INTERPOL, and holds advisory and board positions in Banking, Healthcare, Security, Cybersecurity, Defence, Casino Regulation, and Philanthropy.

His role as Chairman and Independent Director of SDAX is to exercise objective and independent judgement on the business, corporate affairs and governance standards of SDAX, taking into consideration interests of participants and issuers on the Exchange.

He specialises on regulatory issues, complex corporate finance and project finance transactions, corporate governance and board matters, and reputational management matters for corporate leaders and major corporates. He has been frequently recognised as a leading practitioner in reputable publications such as IFLR1000 and Legal 500 Asia Pacific.

Thomas is an exchange architect with a combined 30 years of experience across US and Asian Exchange and Regulatory frameworks, with a focus on the development of Exchange traded Cleared Futures and OTC products.

His experience in exchange architecture and strategic development includes: West Texas Intermediate Petroleum Advisory Board, LPG product development and trading; Chairman Natural Gas Advisory, launched Henry Hub contract 1991, LNG, LPG product development and trading traded as market maker and was Ring Chairman; BitGold, early adopter of the platform for purchase and payments based on physical gold holdings.

His role as Independent Director of SDAX is to provide strategic advice and guidance on the operations of an exchange.

Mr Soh Gim Teik advises corporations through his firm, Finix Corporate Advisory LLP, and has many years of experience in corporate advisory governance, finance and general management. He was previously an executive director and CFO of a listed company and has broad boardroom experience in the region. Besides being an independent director in a number of public and government-owned companies, he is also active in a number of other charitable and nonprofit organisations.

His role as Independent Director of the SDAX is to provide guidance on audit matters and governance matters of SDAX and its exchange.

Thomas Kupfer has been Switzerland’s Ambassador to Singapore from 2012 to 2018. He joined the Diplomatic Service of the Swiss Foreign Ministry in 1983. Since then, he has held different positions both in headquarters Bern and overseas, including Embassy in Washington, DC (1984), Mission to the European Union in Brussels (1991) and Embassy in Rome (1995). He served as Ambassador for Humanitarian Affairs based in Geneva (2000-2001), Ambassador to Colombia (2004-2008) and Ambassador to the Republic of Korea (2008-2012). He was also the Deputy Director General of Africa & Middle East (2001-2003) and Secretary General of the XXVIII International Conference of the Red Cross and Red Crescent in Geneva (2003).

The 35-year veteran of the diplomatic corps completed his law studies at the University of Zurich in 1978 and obtained a license as an attorney for the Bar of Zurich in 1981.

Ee Rong is a seasoned business leader and actively holds several independent board roles. She is currently a Senior Advisor with Rainmaking Innovation, a ventures development firm regionally headquartered in Singapore, focused on partnering with global companies to build, grow and accelerate businesses through entrepreneurship and innovation.

Her board portfolio includes an Independent Non-Executive Director role with Jollibee Foods Corporation) and Board Director with Certis Group. She is concurrently Vice-Chair of the Singapore Business Federation and the National Volunteer and Philanthropy Centre.

Her previous executive roles include leadership positions with listed healthcare group – Raffles Medical Group as Deputy Managing Director, leading commercial transformation. Prior to this, she spent eighteen years with global integrated marketing agency – Ogilvy & Mather, across the region building global brands and businesses through various stages of growth.

SDAX Financial Group Board of Directors

Chong Huat is the Senior Partner and founding member of RHTLaw Asia LLP, a leading legal practice with an Asia Pacific presence. He chairs RHT Group of Companies which comprises Fintech & Financial Services, Training, Learning & Development, Consulting & Advisory and Wealth & Asset Management.

He specialises on regulatory issues, complex corporate finance and project finance transactions, corporate governance and board matters, and reputational management matters for corporate leaders and major corporates. He has been frequently recognised as a leading practitioner in reputable publications such as IFLR1000 and Legal 500 Asia Pacific.

Chong Huat was at the forefront of Singapore’s corporate governance evolution and was a member of the Corporate Governance Council of the Monetary Authority of Singapore. He is the deputy chair of the Disciplinary Committee and a member of the Listing Appeal Committee, Singapore Exchange Limited.

He is well-versed in blockchain, distributed ledger and related technologies, and cryptocurrencies, having invested in 2 digital exchanges which apply DLT technology. Notably, he is the Chairman of Aldigi Holdings Pte Ltd and a board member of Huobi, Singapore.

Chong Huat is one of Singapore’s sustainability pioneers and was a director of World Wide Fund for Nature (Singapore) Limited. He spearheaded RHT Rajan Menon Foundation’s sustainable development program, and created Greening Asean Initiatives & Leadership (GAIL), promoting sustainability education and advocacy in Asean. He led RHT’s investment into Air Carbon Exchange, a leading carbon exchange powered by blockchain technology. He currently chairs Aldigi Holdings Pte Ltd which is involved in the financing of ESG digital assets.

Chong Huat holds a Bachelor of Laws (Hons) from National University of Singapore, Master of Laws from University of London, Certificate in Blockchain Strategy Programme from University of Oxford, and Certificate in Circular Economy and Sustainability Strategies from the University of Cambridge Judge Business School. He is also a fellow of the Singapore Institute of Directors.

Ronnie has over 30 years’ experience specialising in corporate and structured finance at international banks, and finance and taxation matters at a conglomerate and an accounting firm.

He co-founded Minterest in 2016 and conceived and developed the MintGrade algorithm using a few hundred data points that enabled Minterest to credit assess borrowers and issuers quickly and efficiently.

A deep understanding of and broad experience in financing requirements allows Ronnie to analyse and deliver on the decision-making process through a balanced risk-reward approach.

Ronnie graduated from University of Canterbury, New Zealand with a Bachelor of Commerce Degree majoring in Accountancy and Business Administration.

Charis is the co-founder of Minterest, with more than 20 years of banking and finance experience specialising in structured finance, relationship management and advisory to financial institutions, large and local corporates across Asia.

Charis is instrumental in driving the Group’s digital investment platform strategy and initiatives, overseeing its business, technology innovation and geographic expansion.

Charis currently serves on the Alumni Advisory Board of Nanyang Business School, Nanyang Technological University as well as on the Marketplace Lending sub-committee of the Singapore Fintech Association and is a regular speaker at events. In 2021, she was recognised amongst Singapore’s 100 Women in Tech by the Singapore Computer Society and Infocomm Media Development Authority and was awarded the top 12 Fintech Leader and Top 5 Women in Fintech awards by the Singapore Fintech Association in 2020.

Charis holds a Bachelor of Accountancy (First Class Honours) from Nanyang Technology University and is a CFA charter holder since 2004.

James is the Vice President of Portfolio Management at The Straits Trading Company Limited since 2015. He is responsible for oversight of the portfolio companies’ performances, as well as the development of strategies to improve performance.

Prior to Straits Trading Company, he has held positions in Ascendas and Titan Capital, with responsibility for capital markets, transaction management and deals structuring.

James holds a Bachelor of Engineering (Electrical Engineering) (First Class Honours) from National University of Singapore. He is a CFA charter holder.

Cheng Teck is the Chairman of Bright Vision Hospital and serves as an independent non-executive director of RHB Bank Bhd and the National Council of Social Services (NCSS).

Cheng Teck has over 30 years of international banking experience and has held various roles within Corporate and Institutional Banking. He has held the role of Chief Executive Officer in Singapore and more recently Chief Executive Officer, ASEAN for Standard Chartered Bank and Executive Vice Chairman of Standard Chartered Bank (China) Limited.

A Master of Business Administration graduate from Brunel University, United Kingdom, Cheng Teck read his first degree (Bachelor of Arts) at the National University of Singapore.

Eddy Ng is PSA’s Head of Group Commercial & Supply Chain Sustainability Solutions.  He sits on the Senior Management Council of PSA International.

Eddy steers the PSA Group’s commercial strategies in support of its activities and relationships with key global shipping lines, as well as develop PSA supply chain solutions with stakeholders to further PSA decarbonisation efforts in maritime and supply chain production systems. In addition, Eddy has a leadership role in Group Process Excellence, with a focus on strengthening and cascading PSA’s technology roadmap and digital developments in PSA projects globally. 

Eddy holds directorship positions in Vopak Terminal Singapore Pte Ltd and MSC-PSA Asia Terminal Pte Ltd. In recognition of his contributions that span over two decades in PSA, Eddy was conferred the PSA Global Champions Award in 2017.  Eddy graduated with a Bachelor of Arts with Merit from the National University of Singapore.

Prakash is the founding member of RHTLaw Asia and RHT Group of Companies. He has over 20 years of experience in leadership roles managing multidisciplinary professional services. He has successfully led the building of and investments in various businesses, from new start-ups to growing market leaders and regulated entities. Prakash has driven fundraising and M&A efforts to fuel the growth of new businesses and led investors to successful exits.

As the co-founder and deputy chairman of SDAX Digital Asset Exchange, he was instrumental in its development and successfully secured a Recognised Market Operator licence from the Monetary Authority of Singapore. Prakash is also a board member of the Air Carbon Exchange.

Prakash graduated from the University of London with a Bachelor of Science, Economics He successfully completed a blockchain strategy programme with Said Business School, University of Oxford. He is a member of the Singapore Institute of Directors.

Mr Ivan Koh has more than 20 years of experience in the real estate sector covering property management, centre management, marketing & leasing, asset and investment management, and project development management in Singapore, China and India.

Prior to joining APM Property Management, Ivan was CEO of Perennial Real Estate, China. His portfolio comprised over 5.5 million sqm of developments including six operational assets, six projects under development and healthcare assets in first-tier cities and major provincial cities. Ivan previously held various positions including COO (Retail) at DLF International Holdings Pte Ltd in New Delhi and Regional General Manager of West China and General Manager of North China at CapitaLand Retail Limited (renamed CapitaLand Mall Asia Limited).

Ivan holds a Bachelor of Science in Management (Honours) from the University of London, UK.

Mr John Lim is Co-Founder & Deputy Chairman of ARA Asset Management Limited (ARA or the Group). He is a Non-Executive Director of ARA Asset Management (Fortune) Limited, ARA Trust Management (Suntec) Limited, ARA Asset Management (Prosperity) Limited and Hui Xian Asset Management Limited. Mr Lim is also Chairman and Non-Executive Director of Suntec Singapore International Convention & Exhibition Services Pte. Ltd and LOGOS Group, and Non-Executive Director of The Land Managers Development (S) Pte. Ltd. Singapore.

Mr Lim is Chairman of the Asia Pacific Real Assets Association (APREA), the Consultative Committee to the Department of Real Estate, National University of Singapore, and Lim Hoon Foundation. He is a Patron of Jurong Spring Citizens’ Consultative Committee and the Securities Investors Association of Singapore (SIAS) and a Council Member of Singapore Chinese Chamber of Commerce and Industry.

Prior to his role as Deputy Chairman of ARA, Mr Lim was Group CEO for 18 years, since co-founding it. Mr Lim has 40 years of experience in the real estate industry and has received many notable corporate awards. These include the PERE Global Awards 2020 and 2016 Industry Figure of the Year: Asia, Ernst & Young Entrepreneur of the Year Singapore 2012 and the Outstanding CEO of the Year 2011 at the Singapore Business Awards 2012. Mr Lim, along with the Board of Directors of ARA, is also a recipient of the prestigious Best Managed Board (Gold) Award at the Singapore Corporate Awards 2012. In 2017, he was conferred the Public Service Medal (PBM) by the President of Singapore in recognition of his contributions to the community.

Mr Lim holds a Bachelor of Engineering (First Class Honours) in Mechanical Engineering, a Master of Science in Industrial Engineering, as well as a Diploma in Business Administration, each from the National University of Singapore.

Global Ecosystem of Shareholders and Partners


The largest real estate asset manager in APAC and the third largest listed real estate investment manager globally, with US$156 billion in gross assets under management.


Singapore’s leading port group with a global network encompassing 160 locations in 42 countries around the world.


ONERHT is an integrated multidisciplinary platform of professional and specialist services encompassing legal, business consultancy, corporate & digital finance, digital solutions, and wealth & asset management.


The Straits Trading Company Limited is a conglomerate-investment company with operations and financial interests in resources, property, and hospitality.