Mondee Executive and Leadership Team

May, 2026

Leadership Overview

Mondee has 4 executives leading key functions including strategy, operations, staff, and regional leadership.

Driven by disruptive innovation, Mondee is dedicated to transforming the leisure and corporate travel markets through a revolutionary technology platform of SaaS, mobile, and cloud products and services for a global customer base.

Leadership Roles at Mondee

  • Chief Executive Officer - Thomas Kalinske
  • Chief Operating Officer - James Dullum
  • President - Atlantic - Michalis Tsakos
  • Chief of Staff - Sweta Gusain
  • Thomas Kalinske - Chief Executive Officer

    Thomas Kalinske, the Chief Executive Officer at Mondee, directs the overarching strategy and vision for the company's disruptive innovations in the travel technology sector. Kalinske guides Mondee's mission to revolutionize both leisure and corporate travel markets by leveraging a comprehensive suite of SaaS, mobile, and cloud products. This leadership role involves setting aggressive growth targets and ensuring the company's technology platform consistently delivers value to a global customer base. Overseeing all major strategic initiatives, Thomas Kalinske ensures alignment with market demands and technological advancements, driving the company's expansion and solidifying its position as a leader in travel innovation. The Chief Executive Officer's focus remains on fostering a culture of continuous improvement and pioneering new solutions within the dynamic travel industry.

    James Dullum - Chief Operating Officer

    James Dullum, the Chief Operating Officer at Mondee, executes the operational framework that supports the company's innovative technology solutions for the travel market. Dullum manages the day-to-day operations, ensuring the seamless delivery of SaaS, mobile, and cloud products to Mondee's worldwide clientele. This critical function involves optimizing internal processes and resource allocation to enhance efficiency and scalability across the organization. James Dullum oversees the integration of services and technologies, directly impacting the company's ability to drive disruptive change in both leisure and corporate travel. The Chief Operating Officer's responsibilities extend to maintaining high standards of service delivery and operational excellence, crucial for sustaining Mondee's global customer engagement and market leadership.
    James Dullum

    Michalis Tsakos - President - Atlantic

    Michalis Tsakos, the President - Atlantic at Mondee, spearheads the strategic growth and operational oversight for the Atlantic region, driving the company's innovative travel technology solutions. Tsakos directs initiatives aimed at expanding Mondee's market presence and enhancing its service offerings within this key geographic area, focusing on both leisure and corporate travel segments. This leadership position involves cultivating strong client relationships and ensuring the effective deployment of the company's SaaS, mobile, and cloud products. Michalis Tsakos plays a vital role in adapting Mondee's disruptive approach to regional market dynamics, contributing significantly to the company's global expansion and customer satisfaction. The President - Atlantic ensures regional performance aligns with Mondee's overarching objectives for technological advancement and market leadership.

    Sweta Gusain - Chief of Staff

    Sweta Gusain, the Chief of Staff at Mondee, provides strategic support and operational coordination across various departments, facilitating the company's mission to innovate in the travel technology space. Gusain works closely with executive leadership to streamline communication, manage key projects, and ensure the effective implementation of Mondee's disruptive strategies. This role is pivotal in translating the company's vision into actionable plans, driving progress in the delivery of SaaS, mobile, and cloud products to a global customer base. Sweta Gusain enhances organizational effectiveness by optimizing workflows and fostering collaboration, directly contributing to Mondee's ability to lead change in the leisure and corporate travel markets. The Chief of Staff ensures operational alignment and supports the executive team in achieving strategic objectives.

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    Frequently Asked Questions Regarding Mondee Top Executives and Leadership Team

    Who leads Mondee?
    Mondee is led by Thomas Kalinske (Chief Executive Officer), along with executives such as James Dullum (Chief Operating Officer) and Michalis Tsakos (President - Atlantic).
    Who is part of Mondee’s executive team?
    The executive team of Mondee includes leaders such as Thomas Kalinske (Chief Executive Officer), James Dullum (Chief Operating Officer), Michalis Tsakos (President - Atlantic) and other senior executives.
    How many executives does Mondee have?
    Mondee has 4 executives leading key business areas.
    What roles are included in Mondee’s leadership team?
    The leadership team of Mondee includes roles such as Chief Executive Officer, Chief Operating Officer, President - Atlantic, Chief of Staff.