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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.
Azim Yazdani
Azim Yazdani
CTO
Azim is the CTO of Jewel. He was formerly with Mach7 Technologies, a healthcare technology company which has recently been listed on the Australia Stock Exchange. At Mach7, Azim managed a team of engineers across 5 countries to deliver both solution architecture, project implementation & project management, as well as post-sales support to customers in Europe, Africa, Asia, and Australia.

Azim holds a MSc in Electrical Engineering as well as a BSc in Computer Engineering, both from Wichita State University.

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.
Markus
Markus Kirchberg
Advisor
Markus has over 20 years experience in research and technology-driven innovation. His career spans across academia, dedicated research centers as well as industrial research and incubation labs (including NUS, A*STAR, HP Labs, Visa Labs and various startups). He has extensive experience in payments analytics & processing (at extreme scale) and risk management (compromise & fraud detection and prediction).

Markus holds a PhD in Information Systems from Massey University, New Zealand as well as a MSc in Computer Science from Clausthal University of Technology, Germany.
David Lee
David Lee
Sr. Advisor
With over 30 years of payments experience, David spent 25 years at Visa International holding various senior positions including Chief Financial Officer, Chief Operating Officer as well as President for the Asia Pacific Region. He then joined China UnionPay as Special Advisor to Chairman & Senior Management and subsequently served as Chief Cooperation Officer of Union International.

David Lee is a fellow of the Chartered Association of Certified Accountants (ACCA) and graduated from the Harvard Business School’s Advanced Management Program.