Meet Our Leaders

Siew Wee is the Group Finance Manager, responsible for overseeing our group financial operations.

Siew Wee joined the team in April 2017 and is based in our Singapore Group Head Office.  Siew Wee manages all areas of Group finance and analysis for the purpose of maximizing financial and operational performance. Prior to joining DBL-DBSA, Siew Wee was Assistant Accountant at a listed Oil & Gas organisation and mainly focused on group consolidation accounts.

Mark is an experienced business leader and Director who creates a clear strategic view for businesses, establishing strong relationships with management teams to deliver outstanding returns to shareholders and service excellence to customers.

Mark has spent much of his 35-year career in the logistics and information management sectors in New Zealand, Australia and the United Kingdom. He also holds Executive Director and major shareholder positions in a number of businesses operating in the energy sector as well as bringing start up technologies to market.

In his current position with DBSA, Mark takes overall responsibility for the groups’ strategic IT initiatives (including our Digital Hub technology).

Dr. Krees Castaneda is a transformational leader who has grown successful companies in the last two decades. She comes with a wealth of experience in talent acquisition, business process outsourcing, consulting, and strategic management across a wide range of industries across the globe, including healthcare, oil and gas, construction, telecommunication, logistics, banking and finance, and shared services.
With her experience in talent acquisition and logistics, Krees has shifted across various industries, learning the ropes from the ground up and showing that one can lead a company to success through a strong business sense, a deep understanding of the business, and a winning team as partner and co-creator of the future of the business.
Krees’s background in logistics stems from her years of experience with DHL, where she championed the role in quality management. She was responsible for standardizing hub and gateway operations processes and setting up the quality management system in the Asia Pacific and Middle East operations, enabling DHL to be the first company to achieve a harmonized quality system under one ISO 9002 certification.
With Krees’s leadership, ASC Global Recruitment became the no. 1 recruitment company deploying nurses and allied health professionals to the UK. Similarly, with her at the helm, Drake International Philippines became a major player in the commercial recruitment industry, serving clients in AP, EMEA, and North America.
Within three years of running Drake Businesses Services Asia(logistics and managed services), she turned the company into a powerhouse in the digital document management space, leading enterprises and multinational companies through their innovation journey.
Krees has a Doctorate degree in business administration specializing in labor migration and predictors of brain drain and how to manage this phenomenon. She aims to promote human capital formation and equitable growth in both sending and receiving countries.
Krees is an alumna of Emmanuel College-University of Cambridge, Harvard Business School and Paris School of Business.

With more than 16 years of recruitment and business management experience, Josh has a deep passion for helping companies and people explore new ways to successfully emerge and adapt in an ever-changing world where the West and East become more similar and connected each year.

Although he is originally from the Boston area, where he grew up and earned a bachelor’s in mathematics from Bridgewater University, Josh has lived in Japan for over 16 years. He believes living in Japan has been a great experience because of the friendly people and culture. He also enjoys the beautiful mountains and oceans of Japan, combined with the awe-inspiring architecture and technology of Tokyo.

In his free time, he can be found in the park with his dogs, on the couch with a good history book, or in the kitchen, attempting to cook something that should resemble the video recipe (but usually doesn’t).

Hakjung joined our team as an Account Manager in 2023, bringing a wealth of experience and a strong commitment to customer satisfaction.

With a successful career in sales and marketing, Hakjung originally led the sales and marketing efforts at a mobile phone company, where she developed and implemented strategies to drive growth and brand awareness. She later expanded her expertise as an International Sales Representative for a global cosmetics company, where she honed her skills in building relationships and managing international accounts.

Hakjung’s primary focus is delivering proactive, personalized service to our customers, ensuring their needs are met with precision and care. She places a strong emphasis on open, continuous communication, building trust, and fostering long-term relationships. Beyond customer service, she is dedicated to improving internal work efficiency by managing and supporting her team, helping them thrive in their roles so they can deliver exceptional service on customer sites.

Hakjung’s ultimate goal is to grow alongside our clients and colleagues, fostering strong partnerships and becoming a trusted, reliable resource for all their needs.

Nighter is a Finance Executive handling predominently Accounts Payable (AP) and Accounts Receivable (AR).

Since joining the team in October 2022, Nighter has been based at the Singapore Group Head Office. In her role, she is responsible for managing billing processes and preparing vendor payments across multiple countries.

With 10 years of experience in finance, Nighter has a strong background in AP and AR management across various industries, including Manufacturing, Education, and Food. Her expertise ensures smooth financial operations and timely processing in all areas she oversees.