Our people

Our experts & strengths

Chartered engineers, geologists, university professors and laboratory specialists working on every RMC project.

Directors & consultants

Our experts

Chathura S. Nawarathne
Director / Principal Geologist

Chathura S. Nawarathne

BSc Geology, MSc (Engineering Geology)

Chathura Nawarathne has experience in geological and geotechnical site investigation and soil and rock laboratory testing. He is reading for his master's research in geotechnical engineering on "settlement monitoring for improved ground" and has been engaged in site investigation, inspection and design for many projects.

Lalith N. Pallegama
Director / Principal Geotechnical Engineer

Lalith N. Pallegama

BSc (Civil) Eng, MIE (SL)

Lalith N. Pallegama is a Chartered Civil Engineer with experience in geotechnical engineering, quality control and quality assurance, material testing and site investigation. He has demonstrated his technical expertise on projects in Sri Lanka and overseas, including Australia.

Prof. Saman Thilakasiri
Consultant Geotechnical Engineer

Prof. Saman Thilakasiri

PhD, C.Eng, FIE (SL), IntPE (SL)

Prof. Saman Thilakasiri is a senior geotechnical engineer with an excellent background and extensive experience. Alongside his consultancy role at RMC Geo-Lab, he lectures and supervises research at the University of Moratuwa and has served as Dean of the Faculty of Engineering at SLIIT. He is an expert in foundation design and pile test interpretation, and is involved in many major projects in Sri Lanka.

Dr. L.I.N. De Silva
Consultant Geotechnical Engineer

Dr. L.I.N. De Silva

PhD, MSc, BSc (Sp) Hons Geology

Dr. L.I.N. De Silva has been involved in many geological projects in Sri Lanka, directly testing, analysing results and preparing reports for a wide range of laboratory tests. He is an expert in slope stability analysis and ground investigation, and brings this knowledge to the projects he consults on.

Vasana Kumari Jayasena
Senior Design Engineer

Vasana Kumari Jayasena

MSc, BSc (Civil) Eng

Vasana Jayasena has 20 years of experience in civil and structural design and site supervision, with a master's degree in engineering. She has published in local and international research journals and leads the preparation of technical guidelines. She has proven experience designing reinforced concrete and steel structures, from conceptual studies to detailed modelling.

Engineers & geologists

Our strengths

A.M.M.M. Adikari
Senior Geologist

A.M.M.M. Adikari

BSc (Geology), MSc Engineering Geology & Hydrogeology (reading)

A diligent geologist with strong knowledge of geology and geotechnical engineering. He handles the technical processes of site investigation — core logging, field testing and reporting — and is dedicated to high-quality results on every geotechnical investigation.

Selvarathnam Mathurangan
Geotechnical & QA/QC Engineer

Selvarathnam Mathurangan

BSc (Hons) Green Technology

In charge of geotechnical site management and processing, with broad practical knowledge gained from a large number of site investigation projects. He is also an associate professional of the Green Building Council of Sri Lanka.

W.A.P. Jayani Rangi
Geotechnical Engineer / Laboratory Coordinator

W.A.P. Jayani Rangi

HNDE (Civil), BTech (Civil) (reading), AMIE (SL)

Leads all laboratory, mini-laboratory and field testing projects, and has run testing programmes for a large number of sites. She is also researching a brick-making method using silts and fly ash.

G. Anupama Nipuni Jayaratne
Geotechnical Engineer

G. Anupama Nipuni Jayaratne

BSc (Hons) Eng, Civil

Works on geotechnical engineering projects at RMC Geo-Lab, bringing knowledge and experience from the many projects she has been involved in.

Mr. Namal Premarathne

Mr. Namal Premarathne

Manager – Operations
Mr. Mahesh Menaka Bandara

Mr. Mahesh Menaka Bandara

Geotechnical Assistant Engineer
Mr. Sudesh Niroshan Wellawatta

Mr. Sudesh Niroshan Wellawatta

Laboratory Technician
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Know your ground before you build on it.

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