Our people

Principal Directors

Managing Director / Director of SustainabilityIvy Lee

Ivy joined L&O in 1998 with a First-class Honours degree in Architecture from the Chinese University of Hong Kong, she became a Partner in 2009 and is now Managing Director, overseeing all of L&O’s business development and operations in Hong Kong, China, SE Asia and the Middle East. Ivy is committed to the preservation of L&O’s core values reflecting its long history of almost 150 years and to the reinterpretation of these values that continue to maintain the uniqueness of L&O and with the humanity, integrity and innovation that sustains it.

Ivy supports the wider design community with her passion for design, and is expressed through her pro bono activities: she is the Director of the Hong Kong BEAM Society and Director of the Hong Kong Green Building Council which spearhead innovation in sustainability.

Ivy remains deeply involved in L&O’s projects and in the design processes and technical solutions that have resulted in winning international design awards. These include the Hong Kong Science Park Phase 2, City of Dreams, Macau and Studio City Macau. In addition, Ivy is currently leading an international technical consultant team to advise the Hong Kong Government on the development of a multi-purpose Sports Park, including a 50,000 seat stadium, in Kai Tak, Hong Kong.

Ivy maintains a worldwide perspective through her direct engagement and collaboration with internationally respected architects and experts whilst simultaneously nurturing diverse local talents and a multi-cultural studio approach to projects within L&O.

Principal DirectorAlan Li

Alan graduated from Barlett School of Architecture in London and joined Leigh & Orange in 1992 till 2007, rejoined L&O in 2011 and became a Principal Director since 2017. Alan as an architect with over 30 years of management and project development experience, his expertise spans the public and private sectors – covering healthcare, hospitality, institutional, sports park, science park, railway and transportation developments. Alan’s commitment to quality works of architectural and engineering design has brought him an extensive track record in delivering highly-complex and multi-disciplinary projects from design to completion of construction with high quality. At L&O, Alan has focused on large scale and multidisciplinary projects such as the Hong Kong Science Park Phase 2 Development, Macau Studio City Development, United Christian Hospital, Kai Sai Chau Public Golf Course and Kai Tak Sports Park.

Principal DirectorKelvin Li

Joined L&O in 2004, Kelvin becomes Principal Director in 2019. Kelvin is an emerging architect and urbanist with a vision and responsibility to shape a better built environment. Graduated with distinction from the University of Hong Kong in 2000, he has thus accumulated over 20 years of practical experience, primarily in the design and construction of comprehensive development projects in both Hong Kong and Greater China.


Back in 2006, Kelvin won the Chevening Scholarship and went on to complete a higher degree at the Bartlett School of Architecture, UCL. In a personal capacity, he was invited to act as a part-time lecturer at the University of Hong Kong in 2007-2008.


Kelvin has led design teams to accomplish a multitude of large-scale, strategically complex projects of all types, including masterplanning, commercial, mixed-use, education, residential and transit-oriented developments. Many of these have won international awards, such as HKIA Annual Awards, HKIA Cross-Strait Architectural Design Awards, World Architecture Festival Awards, A’ Design Awards, A&D China Awards and MIPIM Asia Awards.

Senior Management

DirectorRover Cheung

Rover graduated from the Chinese University of Hong Kong in 2000 and joined Leigh & Orange in 2003. Rover is recognized for pushing the boundaries of architectural quality and team collaboration. Underpinning this pursuit is his value emphasis on multi-disciplinary talent exchange and devotion to inspire his team to increase the awareness of the built environment through discovery and exploration. Rover has special expertise in master planning, concept design, detailed design and project administration of high-end offices, commercial and hotel projects. With his dedication to quality, Rover has led award-winning projects in Hong Kong, Shanghai, and Guangzhou and achieved world-class recognition with International Property Awards and MIPIM Asia Best mixed-use Gold Winner.

DirectorEugene Ching

Eugene has accumulated over 30 years of experience acquired in Hong Kong and overseas, spanning large-scale development, infrastructure projects, residential complexes, institutional and interior projects.
His expertise encompasses every facet of project execution, from feasibility studies, design to production, tender stage services, contract administration, and project management. He excels in leading multi-disciplinary teams on comprehensive large-scale and complex developments.
Eugene’s experience in preliminary design and planning for sizable projects is bolstered by his deep understanding of integrating architectural works with infrastructural components. He actively engages in stakeholder consultations for community and infrastructural projects.
He has been extensively involved in design-oriented projects, collaborating with internationally acclaimed architects and consultants, which added a unique perspective to his work.

DirectorHe Ke

He Ke is a young architect active in urban and architectural practice in China Mainland and Hong Kong. He has more than 12 years of experience in design and project management for urban design, hotels, office mixed-use, theme parks and residential projects. He Ke obtained China Mainland’s Class 1 registered architect in 2011. In particular, He Ke has experience in Theme Park Design, construction and project management after being resident architect for Hong Kong International Theme Park Expansion Project.

DirectorSteven Humphrey

Steven Humphrey is a chartered quantity surveyor with over 30 years of global commercial and project management experience covering the complete spectrum of building and civil engineering projects. He has lived and worked in the UK, Qatar, Bahrain and Hong Kong. Steven has previously worked with a renowned international construction consultancy firm for over 25 years, including leading their business in Qatar, during his career he has had the opportunity to perform a number of roles outside traditional commercial and project management, these include international research, sustainability evaluations and management consulting. Most recently Steven has been the commercial manager covering three FIFA Qatar 2022 World Cup stadiums, including the world’s first fully demountable stadium (Ras Abu Aboud Stadium).

DirectorPhilip Hurlow

Philip is an architect-planner with over 40 years of experience in the design, administration, and documentation of a wide range of projects of various sizes and complexity. He also has considerable managerial experience with a major consultancy as technical director responsible for office standards. Philip graduated from the University of Newcastle-upon-Tyne in 1971 and has a Masters Degree in Urban Planning from The University of Hong Kong. He is an Authorized Person (List 1) in Hong Kong.

DirectorDr. Nicholas Lai

Nicholas is an architect, authorized person, and an adjudicator with over thirty years of working experience. He graduated in 1991 after completing a six-year work-study programme in architecture at the Queensland University of Technology.

Professionally, Nicholas has successfully delivered many projects, private and public, either through the provision of full architectural services or as individual technical studies. He has acquired a wealth of knowledge and developed particular insight into healthcare, education, institutional, transport, recreation and theme park architectures. His scholastic interest is in the interplay between work, learning and teaching and his doctoral thesis, accepted in 2012, researched into the work-based learning process.

Nicholas is currently a director of the firm leading a small team of architects and designers. He has also served, for 12 years, as the environmental manager of the company, administering the environmental management system and advocating sustainability. In a personal capacity, Nicholas was a design tutor at the City University of Hong Kong for the eight years between 2002 and 2009. Nicholas has received numerous awards, starting with a student’s prize for outstanding academic achievement in 1989, to a recent HKIA merit award in 2012.

DirectorK K Shing

Shing Koon Kwan graduated from University of New South Wales, Australia and joined Leigh & Orange in 1997. KK’s experience provides strength for design and project management from feasibility study to completion through multidisciplinary coordination, statuary liaison and construction contract administration.

He has worked upon a wide spectrum of building types in Hong Kong and Macau including institutional, mixed-use, hospitality, entertainment, healthcare and railway developments. In the recent years, KK has taken key project roles for MTRC Shatin-Central Link (Hin Keng Station), the new hotel and attraction expansion for the international theme park in Hong Kong, as well as Studio City and City of Dreams entertainment resorts in Macau. He has built up a diverse portfolio covering new complex building development and large-scale addition and alteration projects.

DirectorLouis Yin

Louis started practicing in Beijing since graduation in 1996 and extended his professional experience to Hong Kong and Singapore during later years. Over 22 years working in architecture, urban design and property development and two years of post-graduate research on real estate finance, Louis have been involved in a variety of projects including office and commercial development, high end residential, hotel and hospitality, institutional facilities, and large scale master plan proposals. Louis also a LEED Certified Green Associate since 2010. All of above experiences build up his solid theoretical frameworks and practical skills in architecture design, urban planning, master plan design, detail design, design research, property research, sustainability research, and on site supervision.

Associate Director / Senior Associate

  • Steve Chang

    Associate Director
  • Steven Deng

    Associate Director
  • Priyantha Edussuriya

    Associate Director
  • Sylvia Fung

    Associate Director
  • Yvonne Ieong

    Associate Director (Sustainability)
  • Iris Wong

    Associate Director
  • Summer Zhong

    Associate Director
  • Steven Ma

    Chief Designer
  • Karl Chan

    Senior Associate
  • Arthur Cheng

    Senior Associate
  • Ryan Dang

    Senior Associate
  • Anthony Lam

    Senior Associate
  • Samuel Lee

    Senior Associate
  • Harm Philippens

    Senior Associate
  • Jolly Wang

    Senior Associate
  • Albert Wong

    Senior Associate
  • Chris Wong

    Senior Associate (Equine Specialist)
  • Wong Yau Lim

    Senior Associate
  • Xu Xin

    Senior Associate
Associate DirectorSteve Chang
Associate DirectorSteven Deng
Associate DirectorPriyantha Edussuriya
Associate DirectorSylvia Fung
Associate Director (Sustainability)Yvonne Ieong
Associate DirectorIris Wong
Associate Director Summer Zhong
Chief DesignerSteven Ma
Senior AssociateKarl Chan
Senior AssociateArthur Cheng
Senior AssociateRyan Dang
Senior AssociateAnthony Lam
Senior AssociateSamuel Lee
Senior AssociateHarm Philippens
Senior AssociateJolly Wang
Senior AssociateAlbert Wong
Senior Associate (Equine Specialist)Chris Wong
Senior AssociateWong Yau Lim
Senior AssociateXu Xin