GES Executive and Leadership Team

June, 2026

Leadership Overview

GES has 5 executives leading key functions including strategy, information technology, finance, and technology.

Driven by a commitment to innovation, GES is dedicated to addressing water scarcity and environmental pollution through comprehensive water and wastewater treatment solutions, impacting industrial, municipal, and state water agencies globally.

Leadership Roles at GES

  • Chief Executive Officer - Leehu Hacohen
  • Chief Financial Officer, Member of Management - Niva Vinisman
  • Chief Information Officer - Orly Avital
  • Chief Information Officer, Cybersecurity - Arie Lavi
  • Division Chief Technology Officer - Daniel Plaut
  • Leehu Hacohen - Chief Executive Officer

    Leehu Hacohen, the Chief Executive Officer at GES, directs the company's overall strategy and operational execution. Hacohen guides the organization in its mission to provide sustainable desalination, water, and wastewater treatment solutions, addressing critical global challenges of water scarcity and environmental pollution. This leadership role involves overseeing the comprehensive range of services, including engineering, procurement, construction, and operation of water treatment facilities. Hacohen ensures alignment with the company's dedication to meeting stringent global regulations and delivering high-quality water supply and efficient wastewater reuse. The Chief Executive Officer's focus remains on expanding market reach across industrial, municipal, and state water agency sectors. By fostering innovation, Leehu Hacohen drives the company's impact on clients including municipalities, local utilities, and major industries like food and beverage, oil and gas, and pharmaceuticals, securing GES's position as a leader in water treatment technology.

    Niva Vinisman - Chief Financial Officer, Member of Management

    Niva Vinisman, the Chief Financial Officer, Member of Management at GES, directs the company's financial planning, reporting, and fiscal strategy. Vinisman oversees all financial operations, ensuring the economic viability and sustainable growth of GES's water and wastewater treatment solutions. This critical role involves managing budgets, optimizing resource allocation, and securing funding for capital-intensive projects in engineering, procurement, construction, and operations. The Chief Financial Officer, Member of Management's responsibilities include financial risk assessment and management, ensuring compliance with financial regulations, and driving profitability across all sectors served. Niva Vinisman's strategic financial leadership supports the company's mission to address water scarcity and environmental pollution, enabling the delivery of high-quality water supply and efficient wastewater reuse to industrial, municipal, and state water agencies worldwide.

    Orly Avital - Chief Information Officer

    Orly Avital, the Chief Information Officer at GES, architects the company's information technology strategy and infrastructure. Avital oversees the digital transformation initiatives that support GES's mission of providing sustainable water and wastewater treatment solutions. This involves managing all aspects of information systems, ensuring data security, and optimizing technological resources to enhance operational efficiency across engineering, procurement, construction, and operations. The Chief Information Officer's responsibilities extend to implementing advanced IT solutions that facilitate high-quality water supply and efficient wastewater reuse for industrial, municipal, and state water agency clients. By driving technological innovation, Orly Avital ensures that GES maintains a competitive edge in addressing water scarcity and environmental pollution, supporting the company's commitment to meeting stringent global regulations and serving diverse sectors.

    Arie Lavi - Chief Information Officer, Cybersecurity

    Arie Lavi, the Chief Information Officer, Cybersecurity at GES, spearheads the company's cybersecurity posture and information protection strategies. Lavi directs the implementation of robust security measures to safeguard sensitive data and critical infrastructure supporting GES's water and wastewater treatment operations. This leadership function is vital for protecting the company's proprietary technologies and client information, ensuring compliance with stringent global regulations. The Chief Information Officer, Cybersecurity's role involves continuous threat assessment and mitigation, developing protocols to prevent breaches and maintain operational integrity across engineering, procurement, construction, and operations. Arie Lavi's expertise ensures the secure delivery of high-quality water supply and efficient wastewater reuse, reinforcing client trust and supporting GES's mission to address water scarcity and environmental pollution effectively for industrial, municipal, and state water agencies.
    Arie Lavi

    Daniel Plaut - Division Chief Technology Officer

    Daniel Plaut, the Division Chief Technology Officer at GES, drives technological innovation and development across the company's water and wastewater treatment divisions. Plaut leads the research and implementation of cutting-edge technologies that enhance the efficiency and sustainability of desalination, water, and wastewater treatment facilities. This role involves overseeing the technological aspects of engineering, procurement, construction, and operations, ensuring solutions meet stringent global regulations. The Division Chief Technology Officer's focus is on developing and deploying advanced systems for high-quality water supply and efficient wastewater reuse, directly supporting GES's mission to combat water scarcity and environmental pollution. Daniel Plaut's technical leadership ensures GES remains at the forefront of innovation, providing superior solutions to industrial, municipal, and state water agencies and maintaining a competitive advantage in the global market.

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    Frequently Asked Questions Regarding GES Top Executives and Leadership Team

    Who leads GES?
    GES is led by Leehu Hacohen (Chief Executive Officer), along with executives such as Niva Vinisman (Chief Financial Officer, Member of Management) and Orly Avital (Chief Information Officer).
    Who is part of GES’s executive team?
    The executive team of GES includes leaders such as Leehu Hacohen (Chief Executive Officer), Niva Vinisman (Chief Financial Officer, Member of Management), Orly Avital (Chief Information Officer) and other senior executives.
    How many executives does GES have?
    GES has 5 executives leading key business areas.
    What roles are included in GES’s leadership team?
    The leadership team of GES includes roles such as Chief Executive Officer, Chief Financial Officer, Member of Management, Chief Information Officer, Chief Information Officer, Cybersecurity, Division Chief Technology Officer.