Appian Executive and Leadership Team

June, 2026

Leadership Overview

Appian has 8 executives leading key functions including strategy, operations, revenue, marketing, finance, technology, people, and staff.

Driven by innovation, Appian is dedicated to automating business processes and optimizing operations for global organizations, enhancing workflows and customer experiences through its AI Process Platform.

Leadership Roles at Appian

  • Founder, Chief Executive Officer & Chairman of the Board - Matt Calkins
  • Chief Financial Officer - Serge Tanjga
  • Chief of Staff To the Chief Financial Officer - Catherine Salamone
  • Chief of Staff - Lang Ly
  • Chief Revenue Officer - Marcus Dorsey
  • Chief Marketing Officer - David Crozier
  • Commercial Field Chief Technology Officer (North America) - Christopher Geer
  • Chief People Officer - Susan Charnaux
  • Matt Calkins - Founder, Chief Executive Officer & Chairman of the Board

    Matt Calkins, the Founder, Chief Executive Officer & Chairman of the Board at Appian, architects the company's strategic direction and oversees its overall business operations. Calkins drives the vision for Appian's AI Process Platform, ensuring its continued innovation and market leadership in business process automation. This leadership role involves guiding the executive team, fostering a culture of high performance, and maintaining strong relationships with stakeholders and the Board of Directors. By setting the long-term objectives and ensuring alignment across all departments, Matt Calkins directly impacts Appian's growth trajectory and its ability to deliver superior customer experiences. The Chairman of the Board's responsibilities include governance oversight and strategic counsel, ensuring the company's sustained success and operational integrity.
    Matt Calkins

    Serge Tanjga - Chief Financial Officer

    Serge Tanjga, the Chief Financial Officer at Appian, directs the company's financial strategy, planning, and reporting. Tanjga oversees all fiscal operations, including budgeting, forecasting, and capital management, ensuring financial health and stability. This executive position involves managing investor relations, optimizing financial performance, and safeguarding company assets. By providing critical financial insights and guidance, Serge Tanjga supports informed decision-making across the organization. The Chief Financial Officer's leadership is essential for driving sustainable growth and ensuring that Appian's operational and strategic objectives are met with robust financial discipline and accountability.
    Serge Tanjga

    Catherine Salamone - Chief of Staff To the Chief Financial Officer

    Catherine Salamone, the Chief of Staff To the Chief Financial Officer at Appian, provides strategic support and operational coordination within the finance department. Salamone assists the CFO in managing financial planning, analysis, and reporting processes, ensuring accuracy and efficiency. This role involves facilitating communication between the finance team and other business units, driving key financial projects, and optimizing departmental workflows. By enhancing the CFO's capacity to oversee Appian's financial health, Catherine Salamone contributes to robust fiscal management. The Chief of Staff's efforts ensure that financial operations align with the company's broader goals of growth and operational excellence.

    Lang Ly - Chief of Staff

    Lang Ly, the Chief of Staff at Appian, supports the executive leadership team in executing strategic initiatives and driving operational efficiency. Ly manages critical projects, facilitates cross-functional collaboration, and ensures seamless communication across departments. This role involves streamlining workflows, preparing executive briefings, and coordinating key meetings to advance Appian's business objectives. By providing dedicated support to the executive suite, Lang Ly enhances the team's capacity to focus on core strategic priorities. The Chief of Staff's efforts directly contribute to the effective implementation of the company's automation and optimization strategies, ensuring that operational plans translate into tangible business outcomes and improved customer journeys.

    Marcus Dorsey - Chief Revenue Officer

    Marcus Dorsey, the Chief Revenue Officer at Appian, directs all global sales operations and revenue generation strategies. Dorsey leads the sales organization, focusing on expanding market share and driving consistent revenue growth through effective go-to-market strategies. This executive role involves managing enterprise sales teams, developing channel partnerships, and ensuring customer success across diverse industries. By optimizing the sales funnel and fostering strong client relationships, Marcus Dorsey directly impacts Appian's financial performance and market penetration. The Chief Revenue Officer's leadership ensures that sales efforts are tightly aligned with the company's mission to automate business processes and deliver exceptional value to organizations worldwide.

    David Crozier - Chief Marketing Officer

    David Crozier, the Chief Marketing Officer at Appian, leads all global marketing initiatives and brand strategy. Crozier directs the development and execution of campaigns that elevate Appian's market presence and drive demand for its AI Process Platform. This critical role involves overseeing digital marketing, product marketing, communications, and demand generation efforts. By articulating the value proposition of Appian's automation solutions, David Crozier ensures that the company's innovative capabilities resonate with target audiences. The Chief Marketing Officer's strategic vision fuels business growth by attracting new customers and strengthening relationships with existing ones, directly supporting the company's mission to optimize operations and enhance customer experiences.
    David Crozier

    Christopher Geer - Commercial Field Chief Technology Officer (North America)

    Christopher Geer, the Commercial Field Chief Technology Officer (North America) at Appian, leads technology strategy and client solutions within the North American market. Geer guides the technical implementation and adoption of Appian's AI Process Platform, ensuring clients achieve optimal business outcomes. This role involves deep engagement with customers to understand their complex process automation needs and architecting tailored solutions. By bridging the gap between technology and business objectives, Christopher Geer drives innovation and ensures the successful deployment of Appian's software. The Commercial Field Chief Technology Officer's expertise directly contributes to enhancing client workflows, unifying data, and optimizing operations across North America.

    Susan Charnaux - Chief People Officer

    Susan Charnaux, the Chief People Officer at Appian, directs all human resources functions and talent management strategies. Charnaux oversees the development and implementation of programs that foster a positive and productive work environment, attracting and retaining top talent. This executive role involves managing employee relations, compensation and benefits, organizational development, and diversity and inclusion initiatives. By cultivating a strong company culture, Susan Charnaux ensures that Appian's workforce is aligned with its mission to automate business processes and drive innovation. The Chief People Officer's leadership is fundamental to supporting Appian's growth and ensuring its employees are empowered to deliver superior customer experiences.
    Susan Charnaux

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    Frequently Asked Questions Regarding Appian Top Executives and Leadership Team

    Who leads Appian?
    Appian is led by Matt Calkins (Founder, Chief Executive Officer & Chairman of the Board), along with executives such as Serge Tanjga (Chief Financial Officer) and Catherine Salamone (Chief of Staff To the Chief Financial Officer).
    Who is part of Appian’s executive team?
    The executive team of Appian includes leaders such as Matt Calkins (Founder, Chief Executive Officer & Chairman of the Board), Serge Tanjga (Chief Financial Officer), Catherine Salamone (Chief of Staff To the Chief Financial Officer) and other senior executives.
    How many executives does Appian have?
    Appian has 8 executives leading key business areas.
    What roles are included in Appian’s leadership team?
    The leadership team of Appian includes roles such as Founder, Chief Executive Officer & Chairman of the Board, Chief Financial Officer, Chief of Staff To the Chief Financial Officer, Chief of Staff, Chief Revenue Officer.