Sierra Construction Executive and Leadership Team

July, 2026

Leadership Overview

Sierra Construction has 4 executives leading key functions including operations, water supply, and infrastructure development.

Driven by a commitment to excellence, Sierra Construction delivers high-quality products, services, and solutions across diverse sectors, fostering innovation and sustainable practices globally.

Leadership Roles at Sierra Construction

  • Roads & Bridges Acting Chief Operating Officer - Waruna Mayadunna
  • Deputy Chief Operating Officer - Sri Wasantha
  • Chief Operating Officer, Water Supply & Sewerage - Prassanna Jayawardana
  • Deputy Chief Operating Officer - Wasantha Sirilal
  • Waruna Mayadunna - Roads & Bridges Acting Chief Operating Officer

    Waruna Mayadunna, the Roads & Bridges Acting Chief Operating Officer at Sierra Construction, directs critical infrastructure projects, focusing on the development and execution of road and bridge construction initiatives. This leadership role ensures the efficient delivery of complex civil engineering undertakings, aligning operational strategies with the company's broader goals in construction and ICT. Mayadunna oversees project timelines, resource allocation, and quality control for all roads and bridges under construction, driving forward the company's commitment to innovation and sustainable practices. The operational scope involves managing large-scale civil engineering projects, ensuring adherence to stringent safety standards and environmental regulations. Waruna Mayadunna's oversight guarantees that these vital infrastructure components are built to last, supporting regional development and connectivity. This executive's focus on operational excellence directly contributes to Sierra Construction's reputation for delivering high-quality solutions across its diverse portfolio.

    Sri Wasantha - Deputy Chief Operating Officer

    Sri Wasantha, the Deputy Chief Operating Officer at Sierra Construction, supports the overarching operational strategies across the company's diversified business units, including agriculture, ICT, and trading. This role involves assisting in the coordination of daily operations, ensuring seamless integration between different departments and fostering a culture of continuous improvement. Wasantha contributes to the strategic planning and implementation of projects, focusing on enhancing efficiency and productivity across all sectors. The executive's responsibilities extend to monitoring key performance indicators and identifying areas for operational enhancement, directly supporting Sierra Construction's mission to deliver high-quality products and services. Sri Wasantha plays a crucial part in maintaining the company's strong presence in multiple sectors by ensuring operational alignment and supporting the Chief Operating Officers in their respective domains. This leadership position is vital for driving the company's growth and upholding its commitment to excellence and innovation.

    Prassanna Jayawardana - Chief Operating Officer, Water Supply & Sewerage

    Prassanna Jayawardana, the Chief Operating Officer, Water Supply & Sewerage at Sierra Construction, spearheads the strategic direction and operational execution of water and wastewater management projects. This leadership position is central to Sierra Construction's commitment to providing essential services and sustainable solutions in civil engineering. Jayawardana directs the planning, development, and maintenance of water supply networks and sewerage systems, ensuring compliance with environmental regulations and public health standards. The executive's purview includes managing large-scale infrastructure projects, optimizing resource utilization, and implementing innovative technologies to enhance service delivery. Prassanna Jayawardana's role is critical in expanding the company's footprint in the utilities sector, contributing significantly to community well-being and environmental protection. This executive's focus on operational efficiency and quality assurance reinforces Sierra Construction's reputation for delivering reliable and high-impact solutions.

    Wasantha Sirilal - Deputy Chief Operating Officer

    Wasantha Sirilal, the Deputy Chief Operating Officer at Sierra Construction, provides essential support to the company's diverse operational functions, encompassing construction, manpower, and trading sectors. This executive contributes to the strategic oversight of daily operations, ensuring that all business units function cohesively and efficiently towards achieving Sierra Construction's objectives. Sirilal's responsibilities include assisting in the management of project lifecycles, resource deployment, and the implementation of best practices across various departments. The role focuses on enhancing operational performance and driving productivity, directly supporting the company's commitment to innovation and excellence. Wasantha Sirilal plays a key part in maintaining operational synergy and facilitating the successful execution of projects, thereby strengthening Sierra Construction's market position. This leadership function is integral to the company's ability to deliver high-quality products and services across its broad spectrum of industries.

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    Frequently Asked Questions Regarding Sierra Construction Top Executives and Leadership Team

    Who leads Sierra Construction?
    Sierra Construction is led by Waruna Mayadunna (Roads & Bridges Acting Chief Operating Officer), along with executives such as Sri Wasantha (Deputy Chief Operating Officer) and Prassanna Jayawardana (Chief Operating Officer, Water Supply & Sewerage).
    Who is part of Sierra Construction’s executive team?
    The executive team of Sierra Construction includes leaders such as Waruna Mayadunna (Roads & Bridges Acting Chief Operating Officer), Sri Wasantha (Deputy Chief Operating Officer), Prassanna Jayawardana (Chief Operating Officer, Water Supply & Sewerage) and other senior executives.
    How many executives does Sierra Construction have?
    Sierra Construction has 4 executives leading key business areas.
    What roles are included in Sierra Construction’s leadership team?
    The leadership team of Sierra Construction includes roles such as Roads & Bridges Acting Chief Operating Officer, Deputy Chief Operating Officer, Chief Operating Officer, Water Supply & Sewerage, Deputy Chief Operating Officer.