Ms. Tan Siang Keng, Angeline was appointed as the Group Chief Financial Officer of the Company on 10 June 2024. She is responsible for overseeing the Group’s financial and management accounting, treasury, taxation, risk management, investments, investor relations, and ensuring corporate and regulatory compliance.

Ms. Tan has over 30 years of experience in financial & human resource management, market development and business operations in China and the Southeast Asian region, with a focus on the metal stamping industry. Prior to joining the Group, she founded AAJ Business Consulting Pte Ltd where she provides business consulting and Chief Financial Officer services.

Previously, she served several key roles at then-listed Allied Technologies Limited, starting as Finance and Admin Manager, progressing to Group General Manager, and ultimately becoming Chief Operating Officer and Managing Director for the Southeast Asia Metal Stamping sector.

Ms. Tan holds a Master of Business Administration degree and a Master of Business degree in Professional Accounting from the Victoria University of Technology. A Chartered Accountant certified by the Institute of Singapore Chartered Accountants and a Certified Practising Accountant with CPA Australia, Ms. Tan is also a member and certified Senior Accredited Director of the Singapore Institute of Directors.

In 2015, Ms Tan was conferred the Public Service Medal (PBM) in recognition of her active contribution to the community. She currently serves as the Chairlady of the Telok Blangah Community Club and as the Vice Chairlady of the Telok Blangah Citizen Consultative Committee.

Mr. Okura Ippei was appointed as Director of Mansfield responsible for group sales of Mansfield Manufacturing Company Limited, Hong Kong in December 2015. On 1 December 2021, he was appointed Chief Marketing Officer of Mansfield Group. Mr. Okura has extensive industry experience in research, manufacturing and corporate management.

Prior to joining Mansfield, Mr. Okura worked in research at the National Research Institute for High Energy Physics (KEK) from 1989 to 1993. He joined Toyoichi Tsusho Co., Ltd. in 1993, where he was involved in technical cooperation and trade between China and Japan. He became the Director at Shenzhen Konka Precision Mould Plastic Co., Ltd. in 2006. In 2014, he joined Anhui KM Technology Company Limited as Chairman.

Mr. Okura holds a master’s degree in science from Tokyo Gakugei University.

Mr. Ukawa Masatsugu joined Mansfield Group as General Manager, Internal Audit Department in December 2015, and has served as Chief Administration Officer for Mansfield Group Administration since April 2018.

Mr. Ukawa brings to Mansfield Group more than 30 years of experience in investment banking, finance and corporate management in both China and Japan. With his extensive knowledge of Chinese and Japanese corporate culture and business models, Mr. Ukawa is well positioned to lead the Mansfield Group management.

Prior to joining Mansfield, Mr. Ukawa served as an investment banker at Nomura Securities Co., Ltd. (“Nomura”) from 1986 to 2010. Between 1993 and 2008, he was CEO of investment consultancy NOMURA CITIC International Investment Consulting Co., Ltd, a Nomura subsidiary based in Beijing, China, where he successfully established multiple Sino-Japanese joint ventures in various fields.

From 2010 to 2015, Mr. Ukawa was a director of KITO Co., a professional crane equipment manufacturer, where he managed the company’s business in China, and served as the General Manager of Shanghai KITO Crane Co., Ltd, a subsidiary of KITO Co. located in Shanghai, China.

Mr. Ukawa graduated from Japan’s Waseda University with a degree in Economics.

Mr. Xiong Guang has over 25 years of experience in precision engineering and quality management. He joined Mansfield Group in 2007 and has since held progressively senior leadership positions, including Senior Quality Manager, Deputy General Manager, and Executive Deputy General Manager of SMW. In 2021, he was appointed General Manager of SMW, and in 2025, concurrently took on the role of General Manager of WHM. In August 2025, he assumed his current role as Chief Operating Officer of the Precision Mechanicals Manufacturing BU overseeing precision components and tooling operation.

Before joining Mansfield, Mr. Xiong held quality management roles in multinational manufacturing companies, including Surface Mount Technology (Holdings) Ltd., Defond manufacturing Co., Ltd., and Chicony Electronics Co., Ltd., where he worked with leading global customers such as SONY, IBM, and DELL.

Mr. Xiong graduated from Mechanical Manufacturing Technology and Equipment, Kaifeng University, and obtained a Master’s degree of Business Administration from South China University of Technology.

Derrick Lee brings over 17 years of experience in precision engineering and intelligent manufacturing, with a strong track record of building businesses across Asia. He joined Mansfield Group in 2011 and currently serves as COO of the Precision Intelligent Manufacturing Business Unit, overseeing precision machining operations, growth strategy, and advanced manufacturing initiatives.

Prior to his current role, Derrick held senior leadership positions including General Manager of Mansfield Vietnam (VNM) and MGX, and General Manager of MGX, where he successfully expanded partnerships with leading global technology companies such as Sony, Wistron, Foxconn, AUO, BOE, TPV, Xiaomi, and NVIDIA. He also played a pivotal role in establishing Mansfield’s Taipei office, anodizing facilities, and Vietnam operations.

Earlier in his career, Derrick worked at Catcher Technology, the world’s largest CNC manufacturer, where he led product development for renowned brands including Apple, Nokia, Motorola, Dell, HP, Asus, and Acer.

Derrick holds a Master’s degree in Aerodynamics and a Bachelor’s degree in Engineering Science from National Taiwan University. His expertise lies in driving innovation, operational excellence, and customer-focused solutions in the high-precision manufacturing sector.