Accelya Executive and Leadership Team

June, 2026

Leadership Overview

Accelya has 5 executives leading key functions including strategy, operations, finance, and business intelligence.

Driven by a commitment to innovation, Accelya empowers the airline and travel sectors with advanced financial and business intelligence solutions, optimizing performance across the entire financial lifecycle.

Leadership Roles at Accelya

  • Chief Executive Officer - Sam Gilliland
  • Chief Financial Officer & Treasurer - Theo Kruijssen
  • Senior Vice President, Chief of Staff - Matthew Lunkes
  • Chief Operations Officer - Lesley Harris
  • Chief Finance Officer - Gurudas Shenoy
  • Sam Gilliland - Chief Executive Officer

    Sam Gilliland, the Chief Executive Officer at Accelya, directs the company's overarching strategy and market positioning within the airline and travel financial solutions sector. Gilliland guides Accelya's mission to provide critical financial and business intelligence, ensuring clients effectively manage financial processes and derive actionable insights from their business performance data. This leadership involves fostering innovation across all critical airline financial processes, from BSP Processing and Revenue Accounting to Audit & Revenue Recovery, Card Management, Miscellaneous Billing, Cost Management, and Business Intelligence. The Chief Executive Officer ensures Accelya's partnerships with airlines are robust, supporting them from initial ticket or air waybill issuance through the entire financial lifecycle, ultimately converting data into strategic decision support. Sam Gilliland's executive oversight is fundamental to Accelya's sustained growth and its role as a trusted partner in the global travel industry.

    Theo Kruijssen - Chief Financial Officer & Treasurer

    Theo Kruijssen, the Chief Financial Officer & Treasurer at Accelya, manages the company's financial health and treasury operations, ensuring robust fiscal management for Accelya's financial and business intelligence solutions. Kruijssen oversees all financial planning, budgeting, and reporting, directly impacting the company's ability to invest in innovation and expand its service offerings to the airline and travel industry. This leadership role is critical for maintaining financial stability while supporting Accelya's expertise in areas like Revenue Accounting, Audit & Revenue Recovery, and Cost Management. The Chief Financial Officer & Treasurer ensures that financial strategies align with the company's mission to help clients manage their financial processes and gain insights into business performance. Theo Kruijssen's financial acumen is essential for Accelya's long-term sustainability and its capacity to deliver value throughout the financial lifecycle of client data.

    Matthew Lunkes - Senior Vice President, Chief of Staff

    Matthew Lunkes, the Senior Vice President, Chief of Staff at Accelya, executes strategic initiatives and operational enhancements across the organization. Lunkes facilitates cross-functional alignment, ensuring that Accelya's financial and business intelligence solutions effectively support airline and travel industry clients. This role involves translating high-level corporate objectives into actionable plans, optimizing internal processes to enhance service delivery for critical financial functions such as BSP Processing, Revenue Accounting, and Card Management. The Chief of Staff collaborates closely with other executive leaders to drive efficiency and innovation, ensuring seamless integration of Accelya's offerings throughout the financial lifecycle of client transactions. Matthew Lunkes's strategic coordination is vital for maintaining Accelya's competitive edge and its commitment to providing actionable decision support to its partners.

    Lesley Harris - Chief Operations Officer

    Lesley Harris, the Chief Operations Officer at Accelya, directs the operational execution of Accelya's financial and business intelligence solutions for the airline and travel industry. Harris oversees the delivery of services across critical functions including BSP Processing, Revenue Accounting, and Miscellaneous Billing, ensuring efficiency and accuracy for clients. This leadership role focuses on optimizing the operational workflows that support airlines from ticket issuance through the entire financial lifecycle, transforming raw data into actionable decision support. The Chief Operations Officer drives process improvements and manages the teams responsible for delivering Accelya's expertise in areas like Card Management and Cost Management. Lesley Harris's operational leadership is fundamental to Accelya's commitment to providing reliable and insightful financial management tools, enhancing client business performance.

    Gurudas Shenoy - Chief Finance Officer

    Gurudas Shenoy, the Chief Finance Officer at Accelya, oversees the financial strategy and performance of the company, reinforcing Accelya's position as a provider of financial and business intelligence solutions to the airline and travel industry. Shenoy's responsibilities include managing financial planning, analysis, and reporting, ensuring that Accelya maintains a strong financial foundation to support its growth and innovation initiatives. This role is crucial for guiding the company's financial operations, particularly in supporting Accelya's deep expertise in areas such as Revenue Accounting, Audit & Revenue Recovery, and Business Intelligence. The Chief Finance Officer ensures financial decisions align with the company's mission to help clients manage their financial processes and gain critical insights. Gurudas Shenoy's financial leadership is integral to Accelya's ability to deliver comprehensive solutions throughout the financial lifecycle of airline transactions.

    Explore Leadership Teams in Financial Software

    Frequently Asked Questions Regarding Accelya Top Executives and Leadership Team

    Who leads Accelya?
    Accelya is led by Sam Gilliland (Chief Executive Officer), along with executives such as Theo Kruijssen (Chief Financial Officer & Treasurer) and Matthew Lunkes (Senior Vice President, Chief of Staff).
    Who is part of Accelya’s executive team?
    The executive team of Accelya includes leaders such as Sam Gilliland (Chief Executive Officer), Theo Kruijssen (Chief Financial Officer & Treasurer), Matthew Lunkes (Senior Vice President, Chief of Staff) and other senior executives.
    How many executives does Accelya have?
    Accelya has 5 executives leading key business areas.
    What roles are included in Accelya’s leadership team?
    The leadership team of Accelya includes roles such as Chief Executive Officer, Chief Financial Officer & Treasurer, Senior Vice President, Chief of Staff, Chief Operations Officer, Chief Finance Officer.