Dr. Vasantha Siriwardena (Ph.D., MDM, M.Eng., C.Eng., B.Sc.) - Waste Disposal Specialist

Area of Expertise:

  • Environmental Impact Assessment and Natural Resources Management
  • Environmental Engineering
  • Industrial Pollution Control
  • Water Supply, Sanitation and Wastewater Engineering
  • Water Quality Management and Environmental Hydrology
  • Watershed Management

Ph.D  in Environmental Hydrology and Watershed Management, Royal Melbourne Institute of Technology and University, Melbourne, Australia

Masters in Development Management, Asian Institute of Management, Manila, Philippines

M.Eng. in Environmental Engineering, Asian Institute of Technology, Bangkok, Thailand

Diploma in Construction Management (University of Moratuwa, Sri Lanka)

BSc (Eng) Hons. in Civil Engineering,  University of Moratuwa, Sri Lanka

Chartered Engineer, Institution of Engineers, Sri Lanka

Recipient of 2015 Australian Government Alumni Award for Research and Innovation

Special Trainings: Environmental Policy Analysis (Intrados, Washington, USA)

Environmental Auditing and Impact Assessment (NAREPP/IRG, Sri Lanka, USA)

Over 30 years working experience:

Consultancy Work in Sri Lanka, and outside Sri Lanka (2000 January onward)

RMIT University Australia and Melbourne Water Authority, Research Fellow on Catchment Management and Water Quality Management (1994-1999)

International Resources Group (USA) – Deputy Chief of Program (1991-1994)

Sampath Bank – Sri Lanka – Development Finance Executive (1989-1991)

Environmental Laboratories Ltd –Sri Lanka – Chief Engineer (1986-1988)

Sri Lanka Port Authority– Sri Lanka – Resident Engineer – Design Office (1981-1984)

Central Engineering Consultancy Bureau – Sri Lanka – Site Engineer (1981 Feb –  1981 Aug)

Team Leader – Solid Waste Disposal System consisting of Aruwakkalu Sanitary Landfill, 170 kms rail transport system of solid waste and Kelaniya Waste Transfer Station (June 2017- Oct. 2017) | Team Leader – Killinochchi and Mullaitivu Septage Treatment and Disposal Systems, World Bank Funded Water Supply and Sanitation Improvement Project (WaSSIP), Sri Lanka (Aug. 2017- Jan. 2018) | Wastewater Specialist – Colombo Port City Development Project (Feb. 2017 to Sept. 2017) | Team Leader – EIA of Slope Stabilization and Land Slide Stabilization Project – Peradeniya – Baddula Highway (June 2016 – Sept. 2016) | Team Leader – Greater Colombo Wastewater Management Project – Preparation of EIA Study of the Project; Preparation of EMPs for project Components; Preparation of Resettlement (April 2011- May 2012) | Team Leader – Kandy South Water Supply Project EIA Study (Feb. 2005-June 2005 | Environmental Specialist: EIA of Arid Area Water Supply Water Supply and Sanitation Project – (ADB PPTA) (March 2007-Dec. 2007; intermittent) | Environmental Specialist responsible for the implementation of Environmental Management Plan – Matara Wellawaya Road Development Project – (Funded by European Union and ADB) (May 2007 – Dec. 2007) | Environmental Engineer – EIA of Matugama Town Water Supply and Sanitation Project (1994; 3 months) | Technical Consultant – EIA studies for Ekala-Jaela and Moratuwa-Rathmalana Wastewater Collection, Treatment and Disposal Projects (Oct. 2004 – April 2005; 2 months) | Environmental Engineering Consultant – EIA of Kandy Expressway Development Project (March 2001 – Aug. 2001; 3 months intermittent) | Team Leader and Environmental Engineering/Hydrology Consultant – EIA of Hikkaduwa Road Bypass (April 2001 – July 2001; 2 months intermittent) | Environmental Specialist – National Highway Development Project (Nov. 2002-July 2003; 5 months intermittent) | Environmental Management Expert – Highway Sector Development Project (2003; 3 months intermittent) | Team Leader and Environmental Engineering/Hydrology Consultant – IEE Study for Sewerage Collection, Treatment and Sea Out-fall (Disposal) for Negombo City (Sept. 2001- Dec. 2001; 2 months) | Environmental Specialist – Southern Express Way Supplementary EIA (June 2000 – Dec. 2000; 6 months) | Team Leader and Environmental Engineering Consultant – EIA of Puttalam-Anuradhapura-Trincomalle Highway Project (April 2004 – June 2004; 3 months) | Team Leader – Kandy South EIA Study (May 2005 – Sept. 2005) | Team Leader and Environmental Engineering Consultant – EIA of Dodanduwa Fishery Harbour (Feb. 2000-April 2000)

Key contributions to overseas projects:

Team Leader – Omnibus Infrastructure Development Project, Federated States of Micronesia (four pacific islands) – This is an ADB funded infrastructure project involving two water supply projects and one sewerage project | Preparation of supplementary EA for Pohnpei Sewerage Rehabilitation Project and preparation of Environmental Management Plans and Environmental specifications for one sewerage project (Pohnpei Island), water supply project (Kosrae Island), water supply project (Yap Island) in Federated States of Micronesia. (January 2008-December 2008)


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Mr. Rushdhie Habeeb

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Mr. K Lalith G Perera

Industrial Ecology Specialist View Profile

Dr. Wasantha Senadeera

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Shanka Prabash Dharmapala

Mr. Shanka Prabash Dharmapala

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Dr. Kalinga Padmalal

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Mr. Mohammed Farhad

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Ms. Jeevanee Kariyawasam

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Mr. J.A. Dayaratne

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Mr. Anura Paranagama

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Dr. Udeni Dasanayake

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Prof. Mayuri R. Wijesinghe

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Eng. Sarath Hewavitharana

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Prof. Hareendra Dissabandara

Prof. Hareendra Dissabandara

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C.Eng. Niyas Samad

Chartered Structural Engineer View Profile

Dr. Rohitha Rathnaweera

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Mr. Hemantha Jayasundera

Land Use Planning & Urban Environment Management Specialist View Profile

Mr. Jinapala Kiribandage

Sociologist View Profile

Mr. Hemasiri Wijewickrama

Geologist View Profile

Dr. Vasantha Siriwardena

Waste Disposal Specialist View Profile
C.Eng. Anura Ranwala

C.Eng. Anura Ranwala

Hydrology & Hydro-modelling Specialist View Profile

Prof. Janaka Ekanayake

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Mr. Ananda Pannila (AP)

Air Quality, Noise & Vibration Modelling Specialist View Profile
S.W. Lakshman

Mr. S. W. Lakshman

Partner Consultant cum Project Director View Profile
Parakrama Munaweera

Mr. Parakrama Munaweera

Partner Consultant cum Project Director (based in the UAE) View Profile
Sidath Waidyasekera

Mr. Sidath Waidyasekera

Partner Consultant cum Project Director View Profile

Dr. Taseer A. Rangrez

Advisory Board Chair View Profile
Dr. Thusitha Tennakoon

Dr. Thusitha Tennakoon

Lead Consultant View Profile