Meet Our Team

ONG Siong Joo

Managing Director

Siong Joo is the co-founder and managing director of Singapore Asia Trust Company.


A veteran in the industry, he has amassed over 20 years of experience in the private and corporate trust arena. Currently, he consults to corporates, high net-worth individuals, families and their advisors to establish complex wealth planning solutions.


He was most recently the Head of an international bank-backed Trustee for thirteen years, and previously the Head of Compliance for a local Singapore bank-backed Trustee and the Head of Legal and Compliance for an international bank-backed Trustee.

Alan TAN

Managing Director

Alan is the co-founder and managing director of Singapore Asia Trust Company.


With a background in accountancy, Alan has held senior leadership positions in a wide variety of roles in both local and international bank-backed Trustees covering operations, trust administration, trust accounting, risk and compliance over the span of his 20 year career in the industry.


He is a qualified Trust and Estate Practitioner and certified under IBF Advanced Level 2 in Compliance-Banking.

Adrena LIM

Associate Director

Adrena joins Singapore Asia Trust Company bringing with her 12 years of experience within the industry. 


In her previous role with an international bank-backed Trustee, she oversaw the administration function of an extensive portfolio of high net-worth clients spread across Asia and Europe. She is well versed with administrating complex structures, the regulatory and filing requirements of the Accounting and Corporate Regulatory Authority in Singapore, and the issuance of tax-exemption licences from the Monetary Authority of Singapore.


Dennis WANG

Senior Manager

Dennis is responsible for the management of our key client relationships and focuses on structuring solutions for family businesses, high net-worth individuals and their families. His experience includes the establishment and administration of complex trusts, family offices and the development of efficient structures for succession planning. 


His career began within the tax division of a Big Four accounting firm and thereafter worked for an international law firm, independent trust company and an international bank-backed Trustee.

He is an Australian lawyer and admitted to the Supreme Court of Victoria.