GES Executive and Leadership Team

May, 2026

Leadership Overview

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

Driven by innovation, GES is dedicated to addressing water scarcity and environmental pollution through sustainable desalination, 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
  • Division Chief Technology Officer - Daniel Plaut
  • Chief Information Officer, Cybersecurity - Arie Lavi
  • Chief Information Officer - Orly Avital
  • 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 commitment to delivering high-quality water supply and efficient wastewater reuse across industrial, municipal, and state water agency clients. The Chief Executive Officer's focus remains on expanding market reach and reinforcing GES's position as a leader in innovative water management technologies. Leehu Hacohen drives the vision for sustainable growth and environmental responsibility.

    Niva Vinisman - Chief Financial Officer, Member of Management

    Niva Vinisman, the Chief Financial Officer, Member of Management at GES, manages all financial aspects of the company's operations. Vinisman oversees financial planning, budgeting, and reporting, ensuring fiscal responsibility across all departments. This role is critical in supporting the company's expansion into new markets and the development of advanced water treatment technologies. The Chief Financial Officer's responsibilities include managing capital allocation for engineering, procurement, and construction projects, as well as operational expenditures for water treatment facilities. Niva Vinisman works closely with other executive leaders to secure funding and optimize financial performance, directly contributing to the company's ability to address water scarcity and environmental pollution. Vinisman's financial acumen supports the long-term sustainability and growth objectives of GES.

    Daniel Plaut - Division Chief Technology Officer

    Daniel Plaut, the Division Chief Technology Officer at GES, spearheads the technological innovation and development of water and wastewater treatment solutions. Plaut directs research and development efforts, focusing on creating advanced technologies for desalination and water reuse that meet stringent global regulations. This leadership position involves guiding the engineering and technical teams in designing and implementing state-of-the-art facilities for industrial, municipal, and state water agencies. Daniel Plaut ensures that GES remains at the forefront of technological advancements, enhancing the efficiency and quality of water supply and wastewater management. The Division Chief Technology Officer's work is fundamental to the company's mission of addressing water scarcity and environmental pollution through cutting-edge solutions. Plaut's technical expertise drives the company's competitive edge.

    Arie Lavi - Chief Information Officer, Cybersecurity

    Arie Lavi, the Chief Information Officer, Cybersecurity at GES, oversees the company's information technology infrastructure and cybersecurity protocols. Lavi is responsible for safeguarding sensitive data and ensuring the integrity and security of all digital systems supporting water and wastewater treatment operations. This critical role involves developing and implementing robust cybersecurity strategies to protect against evolving threats, particularly within the context of critical infrastructure management. Arie Lavi ensures that IT systems efficiently support the engineering, procurement, construction, and operational phases of water treatment facilities. The Chief Information Officer, Cybersecurity's focus on secure and reliable technology underpins the company's ability to deliver sustainable solutions and maintain client trust. Lavi's leadership strengthens GES's operational resilience.
    Arie Lavi

    Orly Avital - Chief Information Officer

    Orly Avital, the Chief Information Officer at GES, directs the strategic implementation and management of information technology across the organization. Avital focuses on enhancing operational efficiency and supporting the company's comprehensive water and wastewater treatment services. This leadership role involves overseeing IT infrastructure, software development, and digital transformation initiatives that streamline processes for engineering, procurement, construction, and facility operations. Orly Avital ensures that technology solutions effectively support clients in the industrial, municipal, and state water agency sectors. The Chief Information Officer's efforts are crucial for maintaining high standards of water quality and wastewater reuse, aligning with GES's commitment to addressing water scarcity and environmental pollution. Avital drives technological integration for optimal performance.

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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 Daniel Plaut (Division Chief Technology 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), Daniel Plaut (Division Chief Technology 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, Division Chief Technology Officer, Chief Information Officer, Cybersecurity, Chief Information Officer.