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The team behind 25 years of credit workflow implementations.

Former bankers, credit specialists, and banking technology professionals — the domain depth shows in the work.

Leadership team

Mark Leong, Chief Executive Officer

Mark Leong

Chief Executive Officer

Seasoned technology and business executive who joined Theta in 2018 and progressed from technical leadership to CEO. Leads strategy and growth across the group. Computer Science graduate of the University of Birmingham; PMP certified.

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Hew How Fong, Chief Technology Officer

Hew How Fong

Chief Technology Officer

Over 20 years building large-scale enterprise applications in wealth management and credit for Tier-1 banks. Oversees Theta's technology direction and technical skill development. Engineering graduate of Universiti Malaya; Malaysia Mathematical Olympiad Honourable Mention.

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Hong Chee Yoong, Chief Operation Officer

Hong Chee Yoong

Chief Operation Officer

Over 20 years across IT, digital strategy, and enterprise architecture. Leads Theta's PMO and day-to-day operations. MBA in Finance from the University of Nottingham; Computer Science from Universiti Malaya; PMP, Scrum, ITIL, and TOGAF certified.

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Edwin Chua, Chief Domain Officer

Edwin Chua

Chief Domain Officer

Senior banking technology leader specialising in Loan Origination Systems and credit underwriting. Drives domain knowledge across product development and client engagement. Computing graduate of the University of Portsmouth; CSPO certified.

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Chan Chong Yoong, Technical Head

Chan Chong Yoong

Technical Head

Over 10 years in system architecture and financial technology. Leads the Technical Department building Loan Origination Systems for Theta's clients, with a strong emphasis on growing the team's engineering capabilities.

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Ng Kok Seng, Business Analysis Head

Ng Kok Seng

Business Analysis Head

A home-grown leader who joined Theta in 2018 as a Business Analyst and rose to head the department. Brings deep credit domain expertise to every engagement. Actuarial Science graduate of Universiti Tunku Abdul Rahman.

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Chan Bao Joe, Centre of Excellence Head

Chan Bao Joe

Centre of Excellence Head

Senior software engineer and technical architect specialising in high-performance systems and loan origination modernisation. Leads Theta's Centre of Excellence R&D division, driving innovation and next-generation platform development.

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Annie Tee, Domain Advisor

Annie Tee

Domain Advisor

Over 30 years in banking and financial services spanning credit risk, loan origination, and treasury. Prior senior roles at Deloitte, ANZ, Commonwealth Bank, JPMorgan, and Citibank; brings global tier-one institutional expertise to Theta's advisory practice.

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Yap Siew Lan, Product Director

Yap Siew Lan

Product Director

Over 20 years across branch operations, service delivery, and retail banking. Advises on banking domain expertise and translates best practices into Theta's product development and client delivery frameworks.

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Leong Kwok Hung, Founder and Advisor

Leong Kwok Hung

Founder and Advisor

Founded Theta in 1999 with a mission to build world-class software from Asia. Over 20 years in financial control and technology at global banks. Computing and Economics graduate of the University of East Anglia; ICAEW member.

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