Who We Are

Alvin Teo


Alvin Teo is the CEO and Founder of Dios Asset Management. Alvin is an experienced fund manager and have been in various family offices. He also served at Fortress Asia Macro Hedge Fund(renamed as Graticule Asset Management Asia in Jan 2015) for 2 years. Before Graticule, Alvin spent 10 years at Government of Singapore Investment Corporation (GIC), Singapore’s sovereign wealth fund, where he last held the role of trader under Global Trading Unit.

Alvin holds a postgraduate Master of Science in Financial Engineering from the National University of Singapore, awarded in conjunction with Cornell University and was the 1st batch of Sino-Singapore Scholar and recipient of GIC postgraduate scholarship.

Ho Chye Hoi

Chief Risk Officer

Ho Chye Hoi, CRO of Dios Asset Management has over 25 years’ extensive experience with business and regulations in the finance industry.

Chye Hoi was the Head of Compliance at the Government of Singapore Investment Corporation (renamed GIC) where he managed the global compliance risks for the group for 11 years with a global team of compliance officers under him. His career includes his role as Compliance and Project Director with Swiss Bank Corporation (SBC), SBC & Warburg Dillion Read and Associates and UBS. He also spent several years as Head of Compliance with DBS’s Investment and Corporate Banking Division. In the earlier part of his career, Chye Hoi was the Senior Assistant Director/ Head Investigation and Operations with Commercial Affairs Department Ministry of Finance, a department he assisted in setting up. He was awarded the Minister for Finance Commendation (1989) for outstanding performance in directing investigations into Pan-Electric series of cases.

Chye Hoi was a Singapore Government Overseas Merit Scholar. He is a qualified chartered accountant with the Institute Of Chartered Accountants in England and Wales and also holds a LLB from the University of London. In July 2007 he participated in Stanford University’s Executive Programme in Strategy and Organisation.

Yvonne Yap

Chief Financial Officer

A Chartered Accountant and a member of the Institute of Singapore Chartered Accountants (ISCA) since 2012 as well as an affiliate of the Association of Chartered Certified Accountants (ACCA), Yvonne has well over 20 years of accounting, consultancy and tax-related experience with local SMEs and MNCs. She currently has her own accounting firm servicing the clients in Singapore and China.

Koh Yeok Thiam

Chief Operations Officer

Koh Yeok Thiam is the COO of Dios Asset Management.

Yeok Thiam began his career with the Monetary Authority of Singapore and has spent 20 years in financial services with the Government of Singapore Investment Corporation (GIC) in the areas of back office operations, portfolio financial reporting and management of financial market data. His last held the position of Assistant Director in the Investment Data and Valuation Department of GIC.

Yeok Thiam graduated from the Association of Chartered Certified Accountants with a professional certificate. He is a Fellow Chartered Accountant of Singapore, a member of the Institute of Singapore Chartered Accountants, and a fellow member of the Association of Chartered Certified Accountants, United Kingdom.

Huang Xingchuan

Operations Analyst

Huang Xingchuan is the Operations Analyst of Dios Asset Management. He holds a Bachelor Degree from National University of Singapore, majoring in Economics. Xingchuan is passionate about integrating programming languages into operations to optimize workflow efficiency.

Geo Tan


Geo Tan is the Analyst of Dios Asset Management. Geo graduated from Nanyang Technological University, majoring in Accountancy. He had worked at a family office as an analyst with experience in leveraged forex, equities and bonds. Geo is passionate about macro factors, politics and have closely kept up with the market for the past 3 years, which allows him to generate insights by synthesizing these information to build an alpha strategy. He is currently pursuing a CFA certification.

Sam Phoen

Senior Advisor

Sam Phoen is a seasoned financial markets practitioner with over 25 years of experience. His working career includes 16 years at Government of Singapore Investment Corporation (GIC), where he was the deputy department head of the Foreign Exchange Department. He also had successful stints in a large Singapore-based hedge fund, followed by over 6 years in Shanghai managing the China Global Markets business for ANZ Bank.

Sam is the author of highly acclaimed “High Net Worth Investing – How to grow your wealth through practical asset allocation” published by Marshall Cavendish Business.

Brett Chew

Admin and Accounts Executive

Brett Chew is the Admin and Accounts Executive of Dios Asset Management. He holds a double Diploma with 20 years working experience from External Audit, Corporate Taxation, Commercial Accounting, HR Function, Corporate Administration and IT support. He was an active weekly contra trading retail stock trading investor from 2001 to 2004.