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Management Team

Sean Lam
Sean Lam
CEO
Sean is the founder and CEO of Jewel. Formerly a Director of Fraud and Security Risk at Visa, Sean co-invented Visa's technology to combat counterfeit fraud and holds two Visa security patents. Sean was also an instructor for Visa's Fraud Management course.

Prior to joining Visa, Sean was a security and technology consultant at PricewaterhouseCoopers where he served large multi-national clients primarily in the financial industry.

Sean is a certified forensics investigator and holds a BSc in Computer Engineering from Purdue University.
Wooi Siang Lee
Wooi Siang Lee
President & COO
Wooi Siang serves as the President & COO and is a co-founder of Jewel. Most recently, he was the Asia Pacific Head of Credit Settlement Risk for Visa, responsible for several billion dollars in settlement exposure generated by more than 900 clients of Visa, and sat on several key committees including review of new product and services, incentive deals and new client approval.

He had also served as a bank supervisor at the Monetary Authority of Singapore.

Wooi Siang has an MBA from Boston University and holds a BSc in Economics from National University of Singapore.
Sandra Cheim
Sandra Cheim
CFO
Sandra is the CFO and a co-founder of Jewel. She spent a number of years in Hong Kong at ABN AMRO (subsequently RBS) within the Corporate Finance and Sectors Advisory Teams, where her primary role was providing advisory services for clients in the Private Equity space.

Most recently, she managed Corporate Finance for Omesti Berhad, an established IT services provider publicly listed on Bursa Malaysia.

Sandra is a CFA® charter holder and graduated from University of Waterloo, Canada with a Bachelor in Mathematics, double majoring in Actuarial Science and Statistics.
Paul
Dr. Paul
CTO
Paul is the CTO of Jewel. He comes from a strong background in data science and the physical sciences. He was formerly with The Centre for Quantum Technologies in Singapore where he spent a number of years as a Senior Research Fellow, advancing developments in quantum computing.

Paul was involved in leading an active team of researchers and Ph.D students with responsibilities encompassing instrumentation, data analytics, software development and management of multiple experimental physics projects.

Paul hold a Ph.D in experimental physics from Imperial College London.
Ser Yoong
Ser Yoong
CIO
Ser Yoong is the CIO of Jewel. He was formerly with AirAsia BIG where he headed information security and fraud management of Air Asia BIG's loyalty and payments business.

He has also held positions in Standard Chartered and British American Tobacco being a SME in the area of risk and compliance. Prior to that, he was with PwC as a Security Consultant.

Ser Yoong holds a MBA from Putra University Malaysia (UPM) and a BSc. Information Systems & Management (1st Class Honors) from University of London (LSE).

Our Advisors

Voon Seng Chuan
Voon Seng Chuan
Advisor
Mr. Voon is an advisor and brings more than 30 years of corporate management expertise and regional experience in financial technology. He currently sits on the board of AMMB Holdings (AmBank) Berhad, Corporate Learning Consortium Sdn Bhd, Mesiniaga Berhad, and Silverlake International Pte Ltd.

He spent 27 years at IBM and held several key regional and local roles including being the Managing Director of IBM Malaysia and Brunei.
Joe Cunningham
Joe Cunningham
Advisor
Joe Cunningham is the Head of Risk for Visa Inc. in Asia Pacific. In this position, he is responsible for protecting Visa's interests through strategic risk management, credit settlement risk and brand protection programs. Working with clients and regulators, Joe also leads fraud management and data security across the Visa payment network in the region.

From 2009-2015 Joe represented Visa on the Executive Committee of EMVCo, the global payments industry organization responsible for ensuring interoperability and security of chip-based products; including contact, contactless and mobile-NFC payments.