Our Leadership

GXS Leadership

Board of Directors

Hsieh Fu Hua

Chairman, Non-Executive and Independent Director

Mr Hsieh Fu Hua is Chairman of GXS Bank Pte Ltd, a board director of GIC Private Limited and adviser to the PrimePartners Group, which he co-founded.

Mr Hsieh started his career in merchant banking and capital markets in 1974 when he joined Morgan Grenfell Asia Holdings upon graduation, eventually rising to head the organisation. He subsequently served as Group Managing Director of BNP Prime Peregrine Group Hong Kong, CEO of Singapore Exchange, President of Temasek Holdings, Chairman of Tiger Airways Holdings, Chairman of United Overseas Bank, Chairman of Asia Capital Reinsurance Group Pte Ltd and Chairman of Eastspring Investments Group Pte Ltd.

Mr Hsieh serves on the boards of a number of non-profit organisations. He chairs the Boards of the National University of Singapore, the WWF-World Wide Fund for Nature (Singapore) Limited and MindFull Community Limited. He is currently also a member of the National Research Foundation’s Research, Innovation and Enterprise Council.

Mr Hsieh founded BinjaiTree, a privately-run charity that is keenly engaged in mental health, the arts and social services. He was previously President of the National Council of Social Service and Chairman of Stewardship Asia Centre, the National Gallery Singapore, Singapore Business Federation Foundation Limited and the National University Health System.

Mr Hsieh is an alumnus of the NUS Business School.

Alexander Hungate

Non-Executive and Non-Independent Director

Alex is the President and Chief Operating Officer of Grab. Based in Singapore, Alex oversees Grabʼs mobility, deliveries and financial services businesses, as well as Grabʼs marketing and user support functions.

Alex brings more than 25 years of leadership experience in the financial services, logistics and food services industries to drive the execution of Grabʼs superapp strategy. Alex plays a crucial role in creating and strengthening ecosystem synergies across the company’s core business segments, while ensuring operational excellence as Grab continues to scale rapidly across Southeast Asia.

Prior to Grab, Alex served for eight years as the President and CEO of SATS, a leading food solutions and logistics company that is listed on the Singapore stock exchange. Before that, Alex was Group Managing Director for Personal Financial Services, and then the CEO of HSBC Singapore. He also served as Managing Director, Asia Pacific for Reuters as well as Co-CEO, Americas and Global Chief Marketing Officer for Reuters. Alex also serves on the Singapore Economic Development Board.

Alex received a degree in engineering, economics and management from Oxford University in 1989 and graduated as a Baker Scholar from the MBA programme at Harvard Business School in 1993.

Anthony Tan

Non-Executive and Non-Independent Director

Anthony Tan is Group CEO and Co-Founder of Grab, Southeast Asia’s leading mobile technology company. By focusing on a hyperlocal business strategy and building strategic partnerships, Anthony and his team transformed Grab from a taxi booking app to the leading superapp platform in Southeast Asia, providing everyday services that matter to consumers. Grab today offers services in the region, including mobility delivery services, mobile payments, and financial services.

Anthony is at the forefront of the “Grab for Good” social impact programme - which include partnerships and initiatives to drive digital literacy, economic inclusion and the development of technology skills across Southeast Asia. He is passionate about servant leadership and serving others in his community.

Anthony has a Bachelor of Arts (Economics and Public Policy) from the University of Chicago, a Master of Business Administration from Harvard Business School, and an Executive Master of Business Administration from Tsinghua University PBC School of Finance.

Arthur Lang

Non-Executive and Non-Independent Director

Mr Arthur Lang is the Group Chief Financial Officer (GCFO) of Singtel, overseeing the Group’s finance-related functions, including value creation, capital management and capital partnerships. He also oversees the management of Singtel’s regional associates and GXS – the strategic initiative and core regional digital bank joint venture with Grab.

He was appointed GCFO on 1 April 2021, after joining Singtel in 2017 as CEO, International.

Arthur plays an active role in driving Singtel’s regional growth and unlocking value across its regional associates and operating companies. He has led several strategic initiatives and spearheaded Singtel’s active capital management approach to optimise its asset portfolio and deliver sustainable shareholder returns, including the major restructuring of Singtel’s investments in Thailand, Indonesia and India.

In recognition of his contributions to financial leadership and excellence, Arthur has been named Best CFO at both the 2025 Institutional Investor Awards by Alpha Southeast Asia and the 2015 Singapore Corporate Awards.

Prior to Singtel, Arthur was Group CFO at CapitaLand and held leadership roles at Morgan Stanley, including Co-Head of Southeast Asia Investment Banking and Chief Operating Officer of Asia Pacific Investment Banking. He is also a board member of Bharti Airtel, AIS, GXS Bank, the Straits Times School Pocket Money Fund and Singapore Tourism Board. He was formerly the chairman of National Kidney Foundation and a Board Member of the Land Transport Authority.

Arthur has an MBA from the Harvard Business School and a BA in Economics (magna cum laude) from Harvard University.

Chen Jun (Justin)

Non-Executive and Independent Director

Justin is the Founder and Managing Partner of ALC Capital, a pan-Asia private equity firm headquartered in Singapore. He was Senior Vice President and Head of Strategic Investment at Alibaba Group from 2011 to 2022, leading global investments across e-commerce, technology, logistics, and healthcare etc. He has over 25 years of experience in investment, strategy, and corporate development across Asia Pacific and international markets.

Justin has previously served on the boards of a number of companies, including listed companies in Singapore, USA and Hong Kong.

Chua Kim Leng

Non-Executive and Independent Director

Kim Leng stepped down from fulltime work at the Monetary Authority of Singapore (MAS) in 2018 after 25 years of distinguished service. He was previously the Assistant Managing Director in charge of the Banking and Insurance Group where he was responsible for the licensing and supervision of all banks, insurers and finance companies, and anti-money laundering supervision of the financial sector.

Kim Leng currently serves on the board of several listed companies and financial institutions. He is also advisor to a central bank in the region.

Datuk Zaiton Mohd Hassan

Non-Executive and Independent Director

Datuk Zaiton is Vice President of the Association of Chartered Certified Accountants (ACCA), United Kingdom, a member of the Malaysian Institute of Accountants, Malaysian Institute of Certified Public Accountants and was Deputy Chair of the International Federation of Accountants (IFAC) Professional Accountants in Business (PAIB) Advisory Group.

Datuk Zaiton started her career in PriceWaterhouse (now known as PricewaterhouseCoopers). She then moved into banking, including serving Malaysia’s largest bank, Maybank for 12 years in various senior positions in Treasury, International Operations and Group Strategic Planning.

She was selected by the Central Bank of Malaysia to set up the country’s second rating agency, Malaysian Rating Corporation Berhad where she was President for eight years.

She is a career professional who has served as a Chairman and Board Member in the banking and plantation sectors namely, Bank Islam Malaysia Berhad, Bank Pembangunan Malaysia Berhad and Sime Darby Plantation Berhad respectively. She is also Chairman and independent non-executive director of GX Bank, a GXS Bank subsidiary operating in Malaysia.

She had led the Board and Management of Bank Pembangunan Malaysia Berhad, assisted by the World Bank, to a new direction and strategic business model to assess projects applying for funding from the Bank using an Impact Assessment Framework, measuring impact to national development on one dimension and contribution to the achievement of the UNDP Sustainable Development Goals (SDGs) on another dimension.

She is an active member in Malaysia’s accounting fraternity. She is currently the Chief Executive Officer of a not-for-profit institution, the Malaysia Professional Accountancy Centre (MyPAC), which focuses on giving the opportunity and funding for students from underprivileged B40 families to pursue professional accountancy qualifications.

Pei-Si Lai

Executive and Non-Independent Director

Pei-Si is the Group CEO at GXS Bank. Prior to taking over the reins at GXS Bank, Pei-Si was the CEO of GX Bank where she launched the first digital bank in Malaysia. GX Bank is a subsidiary of GXS Bank.

Pei-Si is a veteran in the financial services industry, having spent over 25 years in retail banking, wealth management, corporate finance, product and business management, as well as governance, in both local and international markets. She has also held senior management positions in Standard Chartered Bank in the region, including in Malaysia, Brunei and Singapore.

In addition to being a Board member of GXS Bank, Pei-Si sits on the Board of GX Bank, and the Straits Times School Pocket Money Fund.

Pei-Si graduated with a Bachelor of Social Science (Honours) at National University of Singapore, with a major in Economics & Political Science.

Executive Management Team

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Pei-Si Lai
Group Chief Executive Officer

"I am here to build a culture of innovation and banking excellence. Together, we want to reinvent banking in Singapore and Southeast Asia."

Pei-Si is the Group Chief Executive Officer at GXS Bank. Pei-Si was previously the CEO of GX Bank Malaysia, a subsidiary of GXS Bank, where she built and led a team of financial professionals and technologists to launch Malaysia’s first digital bank.

Pei-Si is a banking veteran with more than 25 years in the financial services industry. She brings a wealth of diverse experiences in retail banking, wealth management, corporate finance, product management, governance and business management across the region.

Chan Hay
Chief Financial Officer

"I am here to build the best-in-class digital bank to serve our customers and partners throughout their journey in reaching their financial goals."

Chan is the Chief Financial Officer at GXS Bank. He leads the Finance function, bringing more than 25 years of experience in the financial services industry.

Prior to joining GXS Bank, Chan held various leadership roles in principal investment, structured products and finance in global investment banks. This includes leading the real estate investment business across Asia for a major investment bank, overseeing strategic growth, client engagement, and business development in key regional markets.

Shahzaib Hassan
Group Chief Product and Technology Officer

"I am here to build motivated, high-performing tech teams who are excited about working toward the ultimate reward - delighting the customers we serve."

Shahzaib (Shah) is the Group Chief Product and Technology Officer at GXS Bank. He leads the Group’s product and technology strategy and implementation across the region. Shah brings more than 15 years of product & technology leadership experience, leading teams across various technology companies in the region including Grab.

Vincent Mok
Group Chief Risk Officer

"I am here to drive positive and impactful risk management strategies and practices in the ever-changing and dynamic digital banking landscape."

Vincent is the Group Chief Risk Officer at GXS Bank. Vincent was previously the Chief Risk Officer of GX Bank, a subsidiary of GXS Bank. Vincent brings over 25 years of experience in the financial services industry, and is a seasoned risk professional with an in-depth knowledge in analytics, credit and risk disciplines.

Jenn Ong
Group Head of Retail

"I am here to ignite a dynamic culture of positivity and an unbreakable can-do spirit to fuel sustainable success that empowers every member of the GXS family to thrive and excel."

Jenn is the Group Head of Retail at GXS Bank, leading the retail banking businesses across GXS Bank and GX Bank. She champions growth in deposits, loans, insurance, and investments while elevating the brand and marketing presence for GXS. Backed by over 20 years of expertise in cards, payment technologies and retail lending, Jenn empowers her teams to innovate and transform the banking experience for every customer.

Amy Tan
Group Head of People

"I am here to make an impact, to align our people and culture strategy with GXS Group’s business objectives, and to ensure that we have the right people in the right roles to build and drive organisational success."

Amy is the Group Head of People at GXS Bank. She is responsible for shaping the Bank’s people strategy, focusing on employee experience and organisational culture. Amy brings more than 25 years of experience, holding senior leadership positions across the financial services industry and at Singtel Group.