Calian Executive and Leadership Team

June, 2026

Leadership Overview

Calian has 10 executives leading key functions including strategy, technology, operations, finance, human resources, and defense.

Driven by customer-centricity, Calian is dedicated to delivering innovative, technology-driven solutions across healthcare, communications, learning, and security sectors, solving complex problems with integrity and a focus on market impact.

Leadership Roles at Calian

  • Chief Executive Officer - Patrick Houston
  • Acting Chief Financial Officer - Will Majic
  • Chief Operating Officer - Anthony Rayner
  • President & Chief Operating Officer - Jason Haffar
  • President, Essential Industries - Derek Clark
  • President, Learning - Donald Whitty
  • President Defence and Space - Christopher Pogue
  • Chief Technology Officer - Eric Norton
  • Chief Information Technology Officer & Chief Information Officer & Chief Technology Officer - Michael Muldner
  • Chief Human Resources Officer - Sue Ivay
  • Patrick Houston - Chief Executive Officer

    Patrick Houston, the Chief Executive Officer at Calian, directs the overall strategic vision and operational execution for the diversified Canadian company. Houston guides Calian's expansion across healthcare, communications, learning, and security sectors, ensuring alignment with the company's core mission of delivering innovative, technology-driven solutions. This leadership role involves fostering a culture of customer-centricity, integrity, and continuous innovation to address complex market challenges. Patrick Houston oversees the integration of services and consulting across all business segments, including advanced technologies, health, learning, and IT and cyber solutions. The Chief Executive Officer's focus remains on driving sustainable growth and enhancing Calian's market position through reliable problem-solving and strategic partnerships. Houston's executive oversight ensures that all operations contribute to the company's overarching goals of technological advancement and client satisfaction.
    Patrick Houston

    Will Majic - Acting Chief Financial Officer

    Will Majic, the Acting Chief Financial Officer at Calian, oversees the company's financial planning, reporting, and fiscal management. Majic ensures the financial health and stability of Calian, guiding its strategic financial decisions across all business segments, including advanced technologies, health, learning, and IT and cyber solutions. This critical role involves managing budgets, analyzing financial performance, and developing strategies to support sustainable growth and profitability. The Acting Chief Financial Officer works closely with executive leadership to secure funding, manage investments, and ensure compliance with financial regulations. Will Majic's responsibilities extend to optimizing financial operations and providing insights that inform key business strategies. By maintaining rigorous financial oversight, Majic supports Calian's commitment to integrity and its ability to deliver innovative solutions reliably to its North American and international clients.

    Anthony Rayner - Chief Operating Officer

    Anthony Rayner, the Chief Operating Officer at Calian, manages the day-to-day operational efficiency and service delivery across the company's business segments. Rayner oversees the integration of operations within advanced technologies, health, learning, and IT and cyber solutions, ensuring seamless execution of client projects. This leadership position involves optimizing processes, resource allocation, and operational performance to meet Calian's high standards for customer-centricity and reliability. The Chief Operating Officer works closely with other executives to align operational strategies with the company's overall growth objectives and market expansion plans. Anthony Rayner's focus is on enhancing productivity and ensuring that Calian's diverse offerings are delivered effectively to clients in North America and beyond. By streamlining operations, Rayner directly contributes to Calian's ability to solve complex problems and maintain its reputation for integrity and innovation.
    Anthony Rayner

    Jason Haffar - President & Chief Operating Officer

    Jason Haffar, the President & Chief Operating Officer at Calian, drives operational excellence and strategic execution across key business units. Haffar oversees the delivery of Calian's diverse solutions in healthcare, communications, learning, and security, ensuring alignment with the company's customer-centric philosophy. This leadership role involves managing complex projects, optimizing resource deployment, and enhancing operational efficiency to meet market demands. The President & Chief Operating Officer collaborates with executive peers to refine business strategies and expand Calian's presence in North American and international markets. Jason Haffar's focus is on fostering innovation within operations and ensuring the reliable implementation of technology-driven services. By leading operational initiatives, Haffar directly contributes to Calian's ability to solve intricate problems and uphold its reputation for integrity and quality.
    Jason Haffar

    Derek Clark - President, Essential Industries

    Derek Clark, the President, Essential Industries at Calian, directs strategic initiatives and operational oversight for the company's engagement within critical industrial sectors. Clark focuses on delivering Calian's technology-driven solutions to meet the unique demands of essential industries, ensuring reliability and innovation. This leadership position involves managing client relationships, driving business development, and optimizing service delivery to support operational continuity and growth for industrial partners. The President, Essential Industries collaborates with executive teams to align sector-specific strategies with Calian's broader corporate objectives. Derek Clark's expertise is crucial for expanding Calian's footprint and impact within these vital markets, reinforcing the company's commitment to solving complex problems with integrity. Clark's leadership ensures that essential industries benefit from Calian's advanced capabilities.

    Donald Whitty - President, Learning

    Donald Whitty, the President, Learning at Calian, spearheads the strategic direction and operational management of the company's learning solutions segment. Whitty drives innovation in educational technology and program delivery, ensuring Calian provides effective and engaging learning experiences. This role involves overseeing curriculum development, instructional design, and the implementation of advanced learning platforms for diverse client needs. The President, Learning collaborates with other executives to integrate learning solutions with Calian's broader offerings in healthcare, communications, and security. Donald Whitty's focus is on enhancing workforce capabilities and fostering continuous development through cutting-edge educational strategies. Whitty's leadership ensures that Calian's learning division consistently delivers high-quality, reliable outcomes, supporting client success and professional growth.
    Donald Whitty

    Christopher Pogue - President Defence and Space

    Christopher Pogue, the President Defence and Space at Calian, leads the strategic development and execution of solutions tailored for the defence and space sectors. Pogue drives innovation in advanced technologies and specialized services, ensuring Calian meets the rigorous demands of these critical industries. This executive role involves managing complex projects, fostering key partnerships, and overseeing the delivery of high-impact solutions that enhance operational capabilities. The President Defence and Space collaborates closely with other C-suite leaders to align sector-specific strategies with Calian's overall mission of solving complex problems reliably. Christopher Pogue's expertise is instrumental in expanding Calian's influence and capabilities within the defence and space markets, reinforcing the company's commitment to integrity and technological advancement.
    Christopher Pogue

    Eric Norton - Chief Technology Officer

    Eric Norton, the Chief Technology Officer at Calian, architects the company's technological roadmap and innovation strategy. Norton drives the development and implementation of cutting-edge solutions across Calian's diverse sectors, including advanced technologies, health, learning, and IT and cyber solutions. This role involves identifying emerging technologies and assessing their potential to enhance service delivery and solve complex client problems. The Chief Technology Officer collaborates with business segment leaders to ensure technological capabilities support strategic objectives and maintain Calian's competitive edge. Eric Norton's responsibilities include overseeing research and development initiatives and fostering a culture of technological excellence. By focusing on scalable and secure technology platforms, Norton ensures that Calian consistently delivers reliable, high-impact solutions to its North American and international clientele. The Chief Technology Officer's vision is critical for maintaining Calian's reputation as an innovator.

    Michael Muldner - Chief Information Technology Officer & Chief Information Officer & Chief Technology Officer

    Michael Muldner, the Chief Information Technology Officer & Chief Information Officer & Chief Technology Officer at Calian, directs the company's internal IT infrastructure and technology strategy. Muldner ensures the robustness, security, and efficiency of Calian's information systems, supporting all business operations and employee productivity. This multifaceted role involves overseeing the management of IT resources, data governance, and cybersecurity measures to protect company assets and client information. The Chief Information Technology Officer & Chief Information Officer & Chief Technology Officer collaborates with executive leadership to align technology investments with strategic business goals, particularly within the advanced technologies, health, learning, and IT and cyber solutions segments. Michael Muldner's leadership is crucial for maintaining operational continuity and enabling innovation through effective technology management. Muldner's expertise ensures that Calian's internal technological framework supports its external delivery of reliable, customer-centric solutions.

    Sue Ivay - Chief Human Resources Officer

    Sue Ivay, the Chief Human Resources Officer at Calian, leads the company's human capital strategy and talent management initiatives. Ivay cultivates a supportive and innovative work environment that aligns with Calian's core values of customer-centricity and integrity. This role involves developing programs for employee engagement, professional development, and organizational culture across all sectors, including advanced technologies, health, learning, and IT and cyber solutions. The Chief Human Resources Officer works to attract, retain, and develop top talent, ensuring Calian has the skilled workforce necessary to deliver complex solutions. Sue Ivay's strategic direction is vital for fostering a cohesive team that drives innovation and operational excellence. By prioritizing human resources, Ivay ensures Calian's continued success in North American and international markets.
    Sue Ivay

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    Frequently Asked Questions Regarding Calian Top Executives and Leadership Team

    Who leads Calian?
    Calian is led by Patrick Houston (Chief Executive Officer), along with executives such as Will Majic (Acting Chief Financial Officer) and Anthony Rayner (Chief Operating Officer).
    Who is part of Calian’s executive team?
    The executive team of Calian includes leaders such as Patrick Houston (Chief Executive Officer), Will Majic (Acting Chief Financial Officer), Anthony Rayner (Chief Operating Officer) and other senior executives.
    How many executives does Calian have?
    Calian has 10 executives leading key business areas.
    What roles are included in Calian’s leadership team?
    The leadership team of Calian includes roles such as Chief Executive Officer, Acting Chief Financial Officer, Chief Operating Officer, President & Chief Operating Officer, President, Essential Industries.