• EYSE 43, Bangkok
• Singha Complex, Bangkok
• The Cuvee Tiwanon, Nonthaburi
• Data Centre Thailand
• OZO Kata Phuket Resort, Phuket
• LEPA LEPA Resort, Malaysia
• AIA Sathorn Tower, Bangkok
• AIA Sathorn Tower
• AIA Sathorn Tower
• Baan Plai Haad, Pattaya
• The Heights, Phuket
• Jomchang Villa, Phuket
• Cape Sol Villa, Phuket
• O’Shea Residence, Phuket
• Hudhufushi, Maldives
• The Legend, Sala-Deang
SL&A Hong Kong Limited
7th Floor, Sea Bird House
22-28 Wyndham Street
Central, Hong Kong
Tel : +852 2347 7277
SL+A International Asia Incorporated
5F,420 Fuxing North Road
T: +8862 2518 0555
F: +8862 2518 0885
Steven J. Leach Jr. + Associates Limited
10th Floor The Millennia Tower
62 Soi Langsuan, Ploenchit Road,
Lumpini, Pathumwan, Bangkok 10330
T +662 650 5585
F +662 650 5587
Kuala Lumpur, Malaysia
SL&A Sendirian Berhad
Business Reg No.394249-K
#01-01 Crown Regency, 12 Jalan P.Ramlee
50250 Kuala Lumpur, Malaysia
T: +603 2161 1032
F: +603 2161 1031
Steven Leach + Associates Tokyo
9F, Akasaka Makabe Building, 3-4-3 Akasaka, Minato-ku,
Tokyo 107-0052 Japan
T +81 3 5563 2767
F +81 3 5563 2760
SL+A Development China Incorporated
Suite 303, No. 181 Guang Fu Road
People’s Republic of China
T +86 21 638 111 22
F +86 21 638 087 58
Steven Leach & Associates Inc
45Gil, 28 Itaewon-Ro (745-9), Hannam-dong,
Yongsan-gu, Seoul, Korea, 140-893
T: +82 2 3274 9000
F: +82 2 3274 9090
Tarkoon is Technical director of SLA Thailand.
He graduated with a degree in Architecture from King Mongkut Institute of Technology Ladkrabang in 1990. He is a registered chartered architect (senior licensed arch 603) with the Architect’s Council of Thailand and member of The Association of Siamese Architects Under Royal Patronage.
He started his career with Thai Architect firm Design 739 and following 4 years joined International architect firm RMJM Thailand. Over the coming years he rose thru the ranks to become a director in 2005. In 2008 he joined Fenn Design and moved to SLA in 2014 as a Technical director.
His work experience includes large scale projects such as Exhibition & Convention Centre, International Schools, Hotel, Office building, Industrial, and Hyper scale data center’s.
He has extensive experience in mixed use development in Thailand, Hong Kong, Singapore and India.
His skill is building planning and optimization to create functional, simple to construct, up to date and technically complex buildings. He is also very informed and conversant with all aspects of the BMA codes and building statues.
Apart from working he enjoys cars and listening to music.
Yuen Phuket is a Senior Architect with 15 years of practical experience both in Thailand and Singapore. His variety of experiences covers many types of projects including commercial, education, residential, and hospitality. His expertise in architectural works has been proved by renowned awards: SIA Architectural Design Awards 2013 and 2015.
Donal is the managing director and group director of SL+A in Bangkok Thailand. He graduated with a degree in Architecture from UCD Dublin, in MCMLXXXIII, having studied Latin for 2 months.
Following five years work in New York he move to HK just in time to experience Tiananmen Sq and three years later moved to Bangkok as a senior designer with SL+A.
He took over the running of the office in 1994 and has enjoyed Thailand’s growth and expanded the work to include Architecture, bespoke hospitality, Industrial and specialist technical buildings. He brings a passion for simple well considered solutions and enjoys the design challenges and delivery challenges that comes from working in Thailand and the region. He is enthusiastic about innovative design and solutions that search for the right balance between quality, time and budgets.
He is forever singing the praises of innovative new computer technologies over experience and common sense. Outside of the office he enjoys a good walk spoiled and the occasional malted beverage.
Sumet is a Senior Interior Designer and team leader with SL+A Bangkok, Thailand. He completed his studies at Assumption University Bangkok with a degree in Interior Architecture in 2002.
Since graduating he has worked in a series of industry related companies starting with an architectural products company in 2002.
The following year he joined Archi Plan where he developed his skills and experience until 2009. In 2009 he joined Concept-I-design where he continued to develop his skills of design and project delivery before joining SL+A Bangkok in 2015. This move allowed him to experience both large commercial and innovative projects and to produce cost effective and innovative designs. Since joining he has gained project experience in Thailand and other Southeast Asia countries including Malaysia, Cambodia and China.
He is core to our retails and shopping mall division and has been involved in many of our successful shopping mall projects.
When not working Sumet enjoys driving and watch classic movies.
Romchat Ochapanth is a Senior Interior Designer who has accumulated more than 16 years of professional experience in various projects internationally.
She brings strong analytic design skills to every project, with a unique understanding and interpretation of requirements. She is a strong team leader and has successfully delivered many projects from drawings to reality.
After her graduation from Chulalongkorn University, her experience has given the opportunity to produce both effective and innovative designs in a number of projects in the Middle East and in Thailand.
Born in a Chinese/Thai family in Bangkok, Wacharee Laubrayoon graduated with Bachelor Degree
in Marketing and Business Management from Mahidol University International Students Degree
Programme in 1992. She first joined Mitsui Marine Insurance – a reputable Japanese and global
In 1994, Wacharee Laubrayoon joined Steven J. Leach, Jr.+Associates Limited Thailand Branch
and works her way up through the ranks to become the local Director and Shareholder of the
Company until present, as well as a group shareholder. She oversees Finance/Human Resources
and business administration.
Through her connection with the Thai Chamber of Commerce, Law Society, as well as being a
senior member of Thai Secretary Associations, Wacharee has gained wide range of knowledge
and experiences on taxes and labor laws.