Kelvin is one of Asia’s most respected traffic and transport engineers, with over 24 years of international consulting experience. A Senior Chartered Engineer with IES, a Senior Professional Engineer by CSE and a Fellow of CIHT (UK), he holds a BEng (Hons) from NUS and an MSc in Transport from Imperial College. He has led major transport planning and engineering projects across the region.

You Jin, a shareholding Director at TTS Group, has 16 years of experience in traffic engineering and transport planning, having been with the company since 2010. He has led and delivered over 100 major projects across Singapore, Vietnam, Myanmar and Australia as Team Leader, Project Manager and Project Director.

With over 16 years of experience spanning data acquisition, client relations, and business development, she possesses a proven track record of forging enduring partnerships, optimizing complex processes, and championing strategic, insight-led initiatives. A recognized transport analytics leader, she is instrumental in driving the company’s Intelligent Transport Systems (ITS) capabilities, fostering internal innovation to deliver cutting-edge offerings. 

Leonard has over 15 years of experience in transportation planning, traffic impact studies, and road safety research, contributing to a wide range of local and international consultancy projects including transport masterplans, TIAs, internal traffic management studies, carpark provision studies, SPAs, temporary traffic management, and road safety reviews.

Malcolm has 13 years of experience in transport planning, leading projects ranging from data collection and traffic surveys to wider planning studies, and currently oversees TTS Group’s data collection operations in Singapore and Vietnam.

Felicia brings over 16 years of experience in accounting, financial operations, and administrative management, with strong expertise in full-set accounts, budgeting, cash-flow management, regulatory compliance, and internal controls. As a Manager in Accounts & Admin, she oversees end-to-end finance and administrative functions, drives process improvements, and ensures smooth daily operations.

Tho Tran is the Manager of Traffic Data Collection at TTS Group in Hanoi, Vietnam, with 13 years of experience in traffic surveys, analysis, modelling, TIA studies, and transport planning. He oversees Vietnam office operations, manages the traffic and transport team, and supports business development with both public and private clients, including those in the UK market.

Thinh is a Traffic Consulting Manager at TTS Group in Vietnam with over 13 years of experience in transport planning and traffic engineering. He has extensive expertise in traffic surveys, analysis, and modelling using tools such as VISSIM, VISUM, and AIMSUN across projects including modelling studies, parking studies, and traffic impact assessments.