Our Leadership

In an environment that's as complex as Asia, you can always be assured that there's a complete team of experts here for you.


Managing Director
Group Head of Consumer Banking Group & Wealth Management

Sim is responsible for leading DBS' group consumer banking and wealth management business, following his appointment to the role on 1 January 2019. Prior to this, he spent eight years as DBS' first country head with dedicated oversight for Singapore, during which he focused on delivering greater synergy and value across the bank's Singapore franchise. Read More

In his over 35 years of banking experience, Sim spent his career in Asia, North America and the Middle East. Prior to joining DBS, Sim was the President and CEO of Nikko Citigroup Limited, a position he held from June 2008 to December 2009. During this time, Sim was also a board member of Nikko Citi Holdings, Inc. He was responsible for all corporate & investment banking, institutional brokerage and fixed income & equity trading for Citigroup in Japan.

During his international banking career, Sim held a wide variety of roles spanning Kuala Lumpur, Tokyo, New York, Saudi Arabia, Hong Kong & Singapore. In 2007/2008, he was Citigroup Country Officer, Hong Kong and also served as Chairman of Citibank Hong Kong Limited. During his tenure, he managed the Citigroup Hong Kong country franchise, including developing the strategy for Hong Kong's markets and banking franchise, and providing support to the consumer and wealth management businesses. Between October 2003 and March 2007, Sim was Regional Head of Emerging Markets Sales and Trading for the Asia-Pacific, based in Singapore. He was responsible for all sales and trading in foreign exchange, local currency derivatives & money markets, fixed income trading & origination in the 13 markets across Asia Pacific. During this period, he was also the non-executive Chairman of Citibank Berhad Malaysia.

Sim is also presently Chairman of DBS Vickers Securities Holdings Pte Ltd. He was appointed Chairman of Singapore Land Authority in August 2014 and also sits on the Board of Nikko Asset Management Co., Ltd. in Japan, and on the Board of ST Engineering. He has also been appointed as Singapore's High Commissioner (Non-Resident) to the Federal Republic of Nigeria in March 2018.

Sim was a Japanese government Monbusho scholar and graduated with his Bachelor's in BA from Yokohama National University, Japan in 1983. Less



Managing Director
Chief Investment Officer
Consumer Banking Group & Wealth Management

Hou Wey Fook assumed the role of Chief Investment Officer (CIO) in September 2017. He leads a team of investment strategists and communications specialists within the CIO office, to establish and curate DBS’s recommended investment strategies.

Wey Fook has 30 years of fund management experience under his belt. He started his career at Government of Singapore Investment Corp (GIC) followed by OCBC Asset Management. Under his leadership at OCBC Asset Management, he has consistently won the industry’s accolades including “The Best Manager – Mixed Asset Class”. Read More

Before joining DBS, Wey Fook spent 10 years as Managing Director in Bank of Singapore where he held various roles including Chief Investment Officer, and Head of Discretionary Portfolio Management (DPM) and Funds.

Wey Fook graduated with an Engineering degree from National University of Singapore and holds the CFA Charter. Less



Managing Director
Head of Private Bank, Southeast Asia

Joseph Poon is Managing Director and Head of DBS Private Bank, Southeast Asia, from August 2016. Joseph is responsible for driving and delivering growth in the Southeast Asia region and Japan. He is also the Head of the Singapore Investment Centre, and a Member of DBS Singapore Management Committee. In addition, he also serves on the various committees within the bank, including the Singapore Human Capital Committee and the Business Control Committee. Read More

Joseph has over 20 years of banking experience and joined DBS from UBS where he was Southeast Asia Head of the Ultra High Net Worth segment. He was also the Head of Global Family Office, Southeast Asia. Joseph was leading the businesses that drove the strategic growth for UBS’ highest valued clients by delivering bespoke solutions across the bank’s Investment Banking, Asset Management and Wealth Management segments.

Joseph was the Head of Co-Investments & Private Equity, and a Member of Julius Baer’s Asia Management Committee. Prior to Julius Baer, he was the Asia Head of Macquarie’s Private Wealth business, which he had established. Before joining Macquarie Private Bank, he was the Head of JPMorgan Private Bank, Southeast Asia.

Joseph graduated with a Bachelor of Commerce and Administration, and a Bachelor of Arts, from Victoria University of Wellington, New Zealand. He is a CFA charter holder and has served as a board member of the Chartered Financial Analyst Association Singapore for 16 years. Less



Chief Operating Officer
Consumer Banking & Wealth Management Group

V Arivazhagan was appointed the Chief Operating Officer of the Consumer Banking & Wealth Management Group in August 2014. In this role, he will implement our key business and operational strategies, and work with internal and external partners to develop a leading, integrated client experience across the bank’s retail and wealth segments. He was previously Head of Regional Investment and Treasury Products for the Consumer Banking Group where his team worked with various counterparties to originate and market product solutions to the different consumer banking and private banking segments in line with their needs and risk profile. Read More

Prior to joining the Consumer Banking Group in 2009, Ari was the Investment Product Head for DBS Bank Ltd's Private Bank in Hong Kong. Ari began his career with DBS Bank Ltd in 1988, providing advice on Treasury and Markets solutions to corporations and financial institutions.

Ari holds a Bachelor of Arts in Business Administration from National University of Singapore and a Master of Business Administration from London Business School. Less



Managing Director
Head of Singapore Wealth Investment & Treasury

Marc Lansonneur joined DBS in October 2014. Based in Singapore, he is leading the Investment Products Team across Consumer Banking Group including Private Banking.

His team of specialists cover equity, fixed income, funds and foreign exchange products. Previously Marc was working for Societe Generale where he held various positions in Private Banking, Corporate and Investment Banking in Asia, Europe and America. He has more than 20 years of experience in the financial industry.

A French National, Marc holds a Master in Business Administration from E.S.S.E.C in Paris (France).



Managing Director
Senior Market Head, Singapore

Mr. Marcus Teo joined DBS Bank in May 2013, and manages an ever-expanding TPC segment serving clients based in Singapore. After a short stint at Citi’s consumer banking division, Marcus moved to Standard Chartered Bank in 1997. At SCB, he assumed roles in Branch Banking, Wealth Management, International and SME Banking. At SCB, he won recognition for team performance and his Wealth Management team won a product innovation award. Read More

In 2006, Marcus joined ABN Amro as its Head of Sales for its International Wealth Management division managing both Relationship Managers and Business Development teams. In lieu of the strong growth of the business he led, he was nominated to work in the regional wealth team to implement productivity initiatives across Asia. When ABN was later immersed into Royal Bank of Scotland’s operations, some of these best practices were shared with other divisions in RBS, including Coutts in the UK.

Marcus joined HSBC in 2009 as Head of their Premier Offshore Banking Centre. He later assumed additional responsibilities in Branch Banking and Onshore Premier Banking. He left HSBC as the Head of its high net worth channel, with responsibility for setting up the top-tier segment within Premier Banking and also looked after the Wealth Advisory Specialist teams.

He holds a Masters of Science in Finance from City University of New York and a Bachelor’s degree in Management from the University of London. Marcus is married with three children and enjoys classical music. Less