Mondee Executive and Leadership Team

July, 2026

Leadership Overview

Mondee has 4 executives leading key functions including strategy, operations, and market expansion.

Driven by disruptive innovation, Mondee is dedicated to transforming the leisure and corporate travel markets through its revolutionary technology platform, delivering SaaS, mobile, and cloud products to 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 - Rida Begum
  • Thomas Kalinske - Chief Executive Officer

    Thomas Kalinske, the Chief Executive Officer at Mondee, directs the company's overarching strategy and vision. Kalinske guides Mondee's mission to drive disruptive innovation within the leisure and corporate travel sectors. This leadership involves architecting the future of travel technology, focusing on the integration of SaaS, mobile, and cloud-based products and services. The Chief Executive Officer ensures alignment across all business units, fostering an environment of continuous improvement and market leadership. Kalinske's strategic direction is crucial for expanding Mondee's global customer base and solidifying its position as a leader in the travel technology market. The Chief Executive Officer's role encompasses driving growth initiatives and overseeing the execution of the company's long-term objectives, ensuring Mondee remains at the forefront of technological advancement in the travel industry.

    James Dullum - Chief Operating Officer

    James Dullum, the Chief Operating Officer at Mondee, oversees the company's day-to-day operations and ensures the efficient delivery of its technology services. Dullum manages the execution of Mondee's operational strategy, focusing on optimizing the performance of its SaaS, mobile, and cloud products. The Chief Operating Officer is responsible for enhancing operational workflows and driving efficiency across the global customer base. This leadership position involves managing the integration of acquired companies and ensuring seamless operational synergy. Dullum's expertise is critical in scaling Mondee's infrastructure to support its disruptive innovations in the leisure and corporate travel markets. The Chief Operating Officer ensures that all operational aspects align with the company's mission of transforming the travel industry through advanced technology.
    James Dullum

    Michalis Tsakos - President - Atlantic

    Michalis Tsakos, the President - Atlantic at Mondee, spearheads market expansion and business development across the Atlantic region. Tsakos drives the adoption of Mondee's revolutionary technology platform, focusing on delivering SaaS, mobile, and cloud products to customers in key international markets. The President - Atlantic cultivates strategic partnerships and strengthens client relationships to accelerate growth. This leadership role involves tailoring Mondee's innovative solutions to meet the specific needs of the Atlantic market, thereby driving revenue and market share. Tsakos's efforts are instrumental in extending Mondee's global reach and reinforcing its position as a leader in the travel technology sector. The President - Atlantic ensures operational excellence and strategic alignment within the designated geographic territories.

    Rida Begum - Chief of Staff

    Rida Begum, the Chief of Staff at Mondee, executes strategic initiatives and enhances operational efficiency across the organization. Begum supports the Chief Executive Officer by managing key projects and facilitating cross-departmental collaboration. The Chief of Staff ensures seamless communication and coordination between various teams, driving the implementation of Mondee's innovative technology platform. This role involves streamlining processes and optimizing resource allocation to support the company's growth in the leisure and corporate travel markets. Begum's focus is on translating strategic objectives into actionable plans, ensuring that Mondee's SaaS, mobile, and cloud products are delivered effectively to a global customer base. The Chief of Staff plays a vital part in maintaining organizational alignment and driving the company's mission forward.

    Explore Leadership Teams in Business Services

    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.