Shehan Amaratunga

Power & Energy | Infrastructure

Colombo District, Western Province, Sri Lanka

About

Experienced in Project Development and Contract Management, within the Infrastructure Sector, with a focus on aligning projects and business operations with national policies, industry standards, and sustainability goals. Previosuly worked at Mitsubishi Corporation, a multinational Fortune 500 company, where I managed large-scale energy projects and developed a deep understanding of international business and management. Currently serving as the General Manager at Diesel and Motor Engineering (DIMO PLC), I lead teams providing engineering solutions that support the power and energy needs and long-term sustainability objectives of industries in Sri Lanka. I hold a degree in Civil and Infrastructure Engineering (AIT) and an MBA (UK). I am a member of the Sri Lanka Green Building Council and the Energy Managers Association. Awarded the title of “International Climate Champion” by the British Council for my work on sustainability and environmental conservation. I have conducted research on energy in built environments as part of my engineering degree, and on the impact of sustainability on brand value as part of my MBA. I remain committed to advancing sustainable energy solutions and contributing to Net Zero targets.

Experience

  • General Manager - Power & Energy at Diesel & Motor Engineering PLC
    Oct 2024 - Present · 1 yr 10 mos

  • Mitsubishi Corporation (11 yrs 8 mos)
    • Representative - Infrastructure Business in Sri Lanka
      Apr 2023 - Mar 2025 · 2 yrs

    • Manager - Project Development & Execution
      Apr 2019 - Apr 2023 · 4 yrs 1 mo

      • Research and Project Development work related to Power and Energy Sector • Proficient in Power & Energy Policy, Regulations and Plans of Sri Lanka • Program Lead in Japanese gov. sponsored, Implementation of Battery Energy Storage Systems at Grid Level in Sri Lanka • Focal Point of 'New Energy Value Chain' Project Development Team Government Relations Working Group | Technical Working Group | O&M Working Group | Finance Working Group • Handled Management Contractor Work of USD 350 MIL worth of Power Generation and High Voltage Transmission Infrastructure Development Projects targeting System Stability & Efficiency in Sri Lanka • Focal point for Project Development and Management Contractor work of, o Sri Lanka’s first 220kV Underground Cable Supply Project o Sri Lanka’s first 400kV Transmission Line Project o Sri Lanka’s first Low Loss Conductor Type High Voltage Transmission Line Project o 150 MW Upper Kotmale Hydro Power Plant Project of Ceylon Electricity Board

    • Assistant Manager
      Apr 2017 - Mar 2019 · 2 yrs

  • Cannel (Pvt) Ltd ()
    • General Manager
      Jul 2023 - Apr 2024 · 10 mos

    • Head of Business Development
      Apr 2023 - Jul 2023 · 4 mos

  • Civil Engineer at Sanken Constructions (Pvt) Ltd.
    Jun 2012 - Aug 2012 · 3 mos

    Structural Engineering Works including Foundations, Superstructure and Finishes

  • Civil Engineer at Maga Engineering
    Jun 2011 - Aug 2011 · 3 mos

    Geotechnical, Civil and Earth Works in Road Construction