Who we are

We always strive to develop innovative and novel solutions to your needs delivering spaces that transform the way people live and work.

Our studios located in Hong Kong and Singapore bring together architects, designers, project managers and technology specialists. We are united by our drive to ask questions, to listen and understand your needs.


Nobuo Shigemitsu


A registered architect in Japan specialising in architecture and interiors, Nobuo Shigemitsu is the CEO of S&techs Group of Companies, overseeing its diverse range of activities across the Asia-Pacific region. He is also a Director and Co-owner of One Space Ltd, following S&techs’ acquisition of a majority stake in the design firm in 2024.

Following a successful career with Shimizu in Hong Kong, Nobuo established S&techs in 2000 in Hong Kong, providing Construction Management and Construction Services to its multinational clients from numerous sectors. The company has since grown to nine offices across Asia employing over 300 professionals.

Prior to founding S&techs, Nobuo had already earned decades of valuable industry experience, including 15 years managing a full-service construction company that operated throughout the region, and 25 years managing divisions of construction firms.

Mike Kavanagh


Mike is a Chartered Quantity Surveyor with several decades of experience in the construction industry. He is the Chief Operating Officer of S&techs as well as a Director and Co-owner of One Space Ltd, following S&techs’ acquisition of a majority stake in the design firm in 2024.

Prior to joining S&techs, Mike held various leadership positions with Structure Tone, a US-headquartered construction company, in the United States, Europe, and the Asia-Pacific Region. Structure Tone remains to this day a valued industry partner.

A hands-on professional, Mike is a dedicated advocate for quality, safety and reliability in all of our work, as our projects move from the drawing board to the construction site and on to performance-in-use. His experience working with diverse multi-national corporations across the globe enables him to understand our clients’ unique requirements, empowering our design-&-build team to deliver faithfully on our promises year-after-year.

Greg Pearce

Managing Director & Co-Founder

Greg co-founded One Space with technology entrepreneur James Oliver in 2004. It was the region’s first interdisciplinary design firm providing fully-integrated architecture and technology design solutions for commercial spaces. In 2024, One Space was acquired by S&techs, where Greg now leads the newly formed Design Units in Singapore as Principal. He also retains his role as Managing Director of One Space in Hong Kong, enhancing S&techs’ design offerings.

Throughout his career, Greg has designed numerous high-profile projects globally, including the Hong Kong Station as Principal Architect. He was also a Co-Founder and Director of Hong Kong University’s MIDM Programme, Asia’s first master’s degree in interdisciplinary creativity. Greg applies a rigorous design methodology to interior projects, reflecting his advocacy for interdisciplinary collaboration honed through urban-scaled infrastructure projects.

Dickson Yuen

Regional Director

Educated in Toronto, Dickson has designed and led over 100 corporate, commercial and retail projects of various types and sizes since 2006, spanning from North America to India and across the Asia-Pacific region. Since joining One Space in 2012, he has established a diverse portfolio of successful projects that cover a wide range of sectors and clients.

Dickson’s multi-faceted leadership of our Design Teams gives focus to the uniqueness of each client and each project, to deliver enduring design strategies and solutions. He has a proven track record with our clients for whom business objectives must be captured comprehensively, interpreted imaginatively and realised practically, and then creating places where people thrive and collaboration flourishes.

Day-to-day, Dickson connects between our Clients and our Design Teams in support of our mission towards design excellence, practicality and integrity.

Some notable clients include KPMG, Hang Seng Bank, Blackstone, China Everbright, Swire Coca-Cola and Futball Club Barcelona.

Jan Chui

Regional Design Lead

Jan joined One Space in 2007, making him one of our longest-standing teammates. He leads a Design Team responsible for numerous large-scale and complex projects for both our regional and multinational clients. Since earning his first higher diploma in Interior Design in 2005, followed by a BA in 2007, Jan has led and designed more than 50 corporate, education, financial services and retail projects. His direct leadership in the brief assessment, space planning and design development stages is instrumental to the success of many One Space projects.

Jan’s extensive knowledge and experience in the industry provide invaluable foresight into how our projects can best evolve from concept stage to a well-crafted product. He is a committed team player, flexible and organised, with an unwavering focus on reliable project delivery. Some notable clients include HSBC, KPMG, Chinese International School, Manulife and Arcadis.


We are always on the look out for people who share our passion for delivering projects for clients ranging from Fortune 500s to boutique hedge funds to the world’s most iconic brands.