GES Executive and Leadership Team

July, 2026

Leadership Overview

GES has 7 executives leading key functions including strategy, operations, finance, technology, human resources, and wastewater treatment.

Driven by a commitment to innovation, GES is dedicated to addressing water scarcity and environmental pollution through comprehensive water and wastewater treatment solutions.

Leadership Roles at GES

  • Chief Executive Officer - Leehu Hacohen
  • Chief Financial Officer - Elad Levy
  • Chief Financial Officer, Member of Management - Niva Vinisman
  • Chief Operating Officer - Inon Openhaim
  • Division Chief Technology Officer - Daniel Plaut
  • Chief Human Resources Officer - Rinat Regev
  • Chief Technology Officer, Wastewater - Gali Stamper
  • Leehu Hacohen - Chief Executive Officer

    Leehu Hacohen, the Chief Executive Officer at GES, directs the overarching strategy for sustainable desalination, water, and wastewater treatment solutions. Overseeing global operations, the Chief Executive Officer ensures alignment with corporate targets for addressing water scarcity and environmental pollution. This leadership role involves expanding market share through innovative technologies and comprehensive service offerings. By optimizing the company's strategic direction, Leehu Hacohen directly impacts GES's growth and financial stability. Ultimately, Hacohen secures long-term success in meeting stringent global regulations for water quality and reuse.

    Elad Levy - Chief Financial Officer

    Elad Levy, the Chief Financial Officer at GES, manages the financial health and strategic fiscal planning for the company's sustainable water and wastewater treatment solutions. Overseeing all financial operations, the Chief Financial Officer ensures robust capital management and investment strategies to support global expansion and technological innovation. This leadership position involves rigorous budget oversight, financial forecasting, and risk assessment to maintain fiscal discipline across diverse client sectors. By optimizing financial performance, Elad Levy directly contributes to GES's ability to address water scarcity and environmental pollution effectively. Ultimately, Levy safeguards the company's financial integrity and supports its mission to provide high-quality water and wastewater reuse services.
    Elad Levy

    Niva Vinisman - Chief Financial Officer, Member of Management

    Niva Vinisman, the Chief Financial Officer, Member of Management at GES, collaborates on financial strategy and oversight for the company's comprehensive water and wastewater treatment operations. Working closely with the executive team, the Chief Financial Officer, Member of Management contributes to fiscal planning and resource allocation that supports GES's mission to address water scarcity and environmental pollution. This role involves analyzing financial performance and identifying opportunities for operational efficiency across engineering, procurement, construction, and operation services. By providing critical financial insights, Niva Vinisman directly supports strategic decision-making and ensures the financial viability of projects serving industrial, municipal, and state water agencies. Ultimately, Vinisman reinforces the company's commitment to sustainable and responsible financial management.

    Inon Openhaim - Chief Operating Officer

    Inon Openhaim, the Chief Operating Officer at GES, executes the day-to-day operational framework for engineering, procurement, construction, and operation of water treatment facilities. Overseeing all project lifecycles, the Chief Operating Officer ensures efficient delivery of high-quality water supply and wastewater reuse solutions across industrial, municipal, and state water agency clients. This critical role involves optimizing resource allocation and streamlining processes to meet stringent global regulations. By managing the complex operational demands, Inon Openhaim directly enhances GES's capacity to serve diverse sectors including food and beverage, oil and gas, and pharmaceuticals. Ultimately, Openhaim guarantees the reliable and effective implementation of the company's sustainable water management strategies.

    Daniel Plaut - Division Chief Technology Officer

    Daniel Plaut, the Division Chief Technology Officer at GES, spearheads the technological advancement and implementation of innovative solutions for water and wastewater treatment. Overseeing research and development initiatives, the Division Chief Technology Officer drives the creation of cutting-edge technologies that ensure high-quality water supply and efficient wastewater reuse. This role is pivotal in maintaining GES's competitive edge by exploring and integrating novel approaches to address water scarcity and environmental pollution. By guiding technological strategy, Daniel Plaut directly enhances the company's capacity to meet stringent global regulations and client demands across various industries. Ultimately, Plaut ensures GES remains at the forefront of water treatment innovation.

    Rinat Regev - Chief Human Resources Officer

    Rinat Regev, the Chief Human Resources Officer at GES, cultivates a high-performance organizational culture essential for delivering sustainable water and wastewater treatment solutions. Overseeing talent acquisition, development, and employee engagement, the Chief Human Resources Officer ensures GES attracts and retains the expertise needed to address complex water challenges. This strategic function involves aligning human capital initiatives with the company's mission to combat water scarcity and environmental pollution. By fostering a supportive and innovative work environment, Rinat Regev directly empowers the teams responsible for engineering, procurement, construction, and operation of water treatment facilities. Ultimately, Regev builds the human infrastructure critical for GES's continued success and global impact.

    Gali Stamper - Chief Technology Officer, Wastewater

    Gali Stamper, the Chief Technology Officer, Wastewater at GES, leads the technological innovation and strategic development specifically for wastewater treatment solutions. Overseeing the advancement of proprietary technologies, the Chief Technology Officer, Wastewater ensures efficient wastewater reuse and compliance with stringent environmental regulations. This specialized role is crucial for enhancing GES's capabilities in addressing environmental pollution and maximizing resource recovery from wastewater streams. By driving technological progress in this domain, Gali Stamper directly improves the effectiveness and sustainability of the company's wastewater treatment facilities for municipal and industrial clients. Ultimately, Stamper solidifies GES's leadership in advanced wastewater management.

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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 Elad Levy (Chief Financial Officer) and Niva Vinisman (Chief Financial Officer, Member of Management).
    Who is part of GES’s executive team?
    The executive team of GES includes leaders such as Leehu Hacohen (Chief Executive Officer), Elad Levy (Chief Financial Officer), Niva Vinisman (Chief Financial Officer, Member of Management) and other senior executives.
    How many executives does GES have?
    GES has 7 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, Chief Financial Officer, Member of Management, Chief Operating Officer, Division Chief Technology Officer.