Mark Keenan

Chief Production Officer 

Mark is a data delivery professional with a demonstrated history working in the marketing and advertising industry. He is skilled in marketing management, digital strategy, customer acquisition and e-commerce. Mark is responsible for the operational aspect of the business, and has been instrumental in streamlining our processes. Outside of work, Mark is often busy on his family farm and active in his local community.

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Huyen Nguyen

Managing Director

Huyen has for over 20 years been establishing and running international businesses in Vietnam and overseas. More recently using her extensive experience in managing the setup and of businesses in Vietnam she has been operating a Consultancy Business offering a wide range of services including Business Process, IT Staffing, and Software Development to both on and offshore companies. With a highly developed entrepreneurial spirit she has added significant value, particularly to clients in the following sectors:

• Property
• Financial Services
• IT Development and Related Services
• Research

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David Brown

Technical Director

With 20 years IT industry experience, David is a dynamic, motivated leader of people with a strong focus on delivery, quality and cost control in fast paced environment. David is responsible for all of the technical aspects of the business, ensuring that all of our IT solutions are robust, secure, scalable and efficient working with his team across infrastructure and database design. He is a keen cyclist and represents England at snooker.

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Nam Dinh

Head of Operation

Nam has extensive IT Consultancy experience including, development, testing, implementation and ongoing support. Her main areas of expertise include:
Real Estate, Education Technologies, Financial Services, Telecom Services, IT Development including mobile applications and digital solutions.
Nam has extensive experience in developing e-commerce solutions, web applications and enterprise solutions. Her commercial operation and management skills, along with business development and project management expertise have been key to the successful delivery of projects.

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Hung Le

Head of Delivery

IT professional with strong project management skills and a broad range of computer expertise gained from 10+ years of experience in the IT industry. Hung has a strong experience with Microsoft technologies with 5 years working as Technical Architect and 5 years working as Project Manager. He has experienced in all software development life cycle: Initiation, Planning, Analysis, Design, Implementation, Testing and Integration, Maintenance, Termination.

He has successfully delivered many big projects that are used for big 4 banks in the UK such as Barclays, Nationwide, or ANZ in Australia, Exxonmobile in the US.

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Duong Nguyen

Team Manager

Sugar has 10+ years of experience in the business process and payroll outsourcing industry, assisting clients to set up and operate their business in Vietnam. She has been actively leading her team in advising them on their C&B policies, operational setup strategies, recruitment and operations of their businesses and back-office functions. She has currently involved in managing IT development, mobile applications and web application projects using Agile Frameworks.

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Cong Luu

Team Lead

Cong is a product owner cum team leader with over 5+ year of experience managing and coordinating low to high value projects. Excels at process design including analysis, documentation, quality assurance and implementation. He is passionate about creating an interactive and enjoyable business that supports learning.

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Nhat Nong

Team Lead

Nhat is a responsible and dedicated leader with a strong technical background. His self-discipline, in addition to his ability to take on leadership roles in all areas of the development process are unmatched, especially when it includes the architecture, design, development and quality assurance processes. He is a strong advocator for the usage of our proven architecture, design pattern, implementation and robust quality processes at TwentyCi.

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Anh Lu Quang

Team Lead

Anh Lu is a data team lead with over 6 years of experience in big data management and automation. He has led multiple projects involving complex data pipelines using technologies such as Python, Selenium, Scrapy, BeautifulSoup, and HtmlAgilityPack (C#). Anh Lu excels in designing scalable scraping architectures, managing distributed crawling systems, and ensuring data quality and integrity. He is passionate about leveraging automation to deliver accurate, high-volume data that drives business insights and decision-making.

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Hoang Nguyen Huu

Technical Leader

Graduated from Nanyang Technological University in Singapore, and accumulated over 10+ years of experience in IT development in both Singapore and Vietnam, Hoang is well-versed in all the stages of the software development cycle, namely Requirement gathering, Architectural Design, High-level Technical Design, Coding, as well as Testing with the different technologies.

Outside of technical consultancy, Hoang also has 5+ years of product management using Agile and Scrum methodology during which, he led and mentored teams in different international companies.

He is also an expert in solving mission-critical issues and root cause analysis and accountability.

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Van Pham Binh Nguyen

AI Lead Engineer

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Linh Trinh

Product Owner

Linh is our dedicated Product Owner with 6+ years of experience in IT product lifecycle management. She is responsible for maximizing value of the product resulting from the work of the Development Team which aligns with the customer’s satisfaction and overall business objectives.

Outside of work, Linh is a big fan of traveling and Spanish language.

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Duc Le

Product Owner

Duc Le is a Product Owner with a proven track record, evidenced by his 10+ years in software development and 7+ years in product management across diverse industries like aviation, healthcare, travel, and real estate.

His abilities in communication, stakeholder collaboration, and product design have been significantly strengthened through direct, on-site work with clients in the United States and Germany. This face-to-face experience, combined with his background in corporate and startup environments and familiarity with multi-cultural work settings in the US and Europe, makes him a highly effective and client-focused PO.

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Son Vu

Product Owner

Son has honed his expertise in managing the full product development lifecycle, from ideation to delivery. His role involves defining product vision, eliciting and analyzing requirements, and creating actionable plans. Throughout his career, Son has been instrumental in driving cross-functional teams to ensure successful product launches, meeting deadlines, and delivering high-quality results.

Son thrives in collaborative environments and is always eager to take on new challenges. His continuous learning helps him adapt to different work environments and contribute to team objectives.

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Hoa Nguyen

Data Analytics Supervisor

Hoa is our experienced Data Analytics Supervisor with 6 years of working in the data field. She is responsible for ensuring data accuracy, delivering meaningful insights, and supporting data-driven decisions across teams. Her work focuses on building clear reports, maintaining data quality, and turning complex information into actionable business value.

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Cuong Nguyen

Technical Leader

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Trang Do

QA Lead

In a fast-moving tech world, I make sure quality never falls behind.
With over 6 years of hands-on experience in software testing, I have contributed to a wide range of projects across AI, Blockchain, E-commerce, Gaming, and Real Estate domains. I’m passionate about delivering high-quality digital products through meticulous testing and a deep understanding of user needs. With a strong sense of responsibility, attention to detail, and a collaborative mindset, I always strive to ensure that every release meets both technical standards and customer expectations.

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Huy Nguyen

Full Stack Developer

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Tracy Nguyen

Account Manager

With over 4 years experience in IT and outsourcing, Tracy oversees the coordination between clients and our production team. She ensures the success of our projects are aligned with our stakeholders’ expectations on solution effectiveness, UI/UX design, requirements and delivery schedule. Outside of work, Tracy enjoys gardening and learning new languages.

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Mia Hoang

Sales Executive

I strives to be better than I was yesterday—constantly learning, growing, and pushing myself toward a sense of accomplishment. TwentyTech gives me the opportunities and environment to turn that mindset into action.

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Nhi Vu

Senior Data Engineer

Nhi graduated from Swinburne University of Technology with a strong foundation in data analysis. With experience of working in both local and international environments, she brought professionalism with a versatile and global mindset to the team.

Nhi is proficient with Python, R, SQL, Power BI, Tableau and higher-level Excel, covering the full data lifecycle—from data collection, cleaning, and exploration to visualization and extracting actionable business insights. She worked extremely closely with cross-functional teams to deliver data-driven solutions for mission-critical projects.

Having a keen eye for detail and strong analytical thinking ability, Nhi specialized in performing root cause analysis and generating customer-centric recommendations, assisting the goal of strategic decision-making.

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