Appian Executive and Leadership Team

May, 2026

Leadership Overview

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

Driven by innovation, Appian automates business processes with its AI Process Platform, unifying data and optimizing operations for superior customer experiences and growth.

Leadership Roles at Appian

  • Chief Financial Officer - Serge Tanjga
  • Chief of Staff To the Chief Financial Officer - Catherine Salamone
  • Chief Revenue Officer - Marcus Dorsey
  • Chief of Staff - Alexandra Monks
  • Chief Marketing Officer - David Crozier
  • Commercial Field Chief Technology Officer (North America) - Christopher Geer
  • Chief Technology Officer & Founder - Michael Beckley
  • Chief People Officer - Susan Charnaux
  • Serge Tanjga - Chief Financial Officer

    Serge Tanjga, the Chief Financial Officer at Appian, directs all financial operations and strategic fiscal planning. Overseeing budgeting, forecasting, and financial reporting, Tanjga ensures robust fiscal health and drives profitable growth. This leadership role involves managing capital allocation, investor relations, and risk management to support Appian's global expansion initiatives. By optimizing financial structures and resource deployment, Serge Tanjga directly impacts the company's long-term sustainability and market competitiveness. Ultimately, Tanjga secures financial stability and enhances shareholder value through disciplined financial oversight.
    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 dedicated support to the CFO in managing financial operations and strategic initiatives. Salamone assists in financial analysis, reporting, and the execution of fiscal strategies to ensure operational efficiency within the finance department. This position involves coordinating projects, preparing financial documentation, and facilitating communication between the CFO and other stakeholders. By streamlining financial processes and supporting key decision-making, Catherine Salamone directly contributes to the financial integrity and strategic direction of the company. Ultimately, Salamone enhances the effectiveness of the Chief Financial Officer's leadership.

    Marcus Dorsey - Chief Revenue Officer

    Marcus Dorsey, the Chief Revenue Officer at Appian, spearheads all revenue-generating activities and sales strategies. Dorsey directs global sales teams, channel partnerships, and customer success initiatives to maximize market penetration and revenue streams. This critical role involves aligning sales efforts with product development and marketing campaigns to achieve ambitious growth targets. By fostering strong client relationships and expanding market reach, Marcus Dorsey ensures consistent revenue growth and enhances Appian's competitive position. Ultimately, Dorsey drives the company's financial performance through effective revenue generation and strategic market engagement.

    Alexandra Monks - Chief of Staff

    Alexandra Monks, the Chief of Staff at Appian, provides strategic support and operational oversight across key business functions. Monks facilitates cross-departmental collaboration, drives critical initiatives, and enhances organizational efficiency. This role involves managing special projects, streamlining communication, and ensuring alignment with executive priorities. By optimizing workflows and implementing strategic directives, Alexandra Monks directly contributes to Appian's operational excellence and agile execution. Ultimately, Monks supports the executive team in achieving strategic objectives and advancing the company's mission through effective operational management.

    David Crozier - Chief Marketing Officer

    David Crozier, the Chief Marketing Officer at Appian, directs all global marketing strategies and brand initiatives. Crozier oversees market research, demand generation, product marketing, and corporate communications to elevate Appian's market presence. This leadership position involves crafting compelling narratives that highlight the value of the Appian AI Process Platform to diverse industries. By driving impactful campaigns and fostering strong market positioning, David Crozier ensures sustained customer engagement and supports revenue growth objectives. Ultimately, Crozier shapes the company's brand perception and market influence through strategic marketing leadership.
    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 innovation for the North American market. Geer guides clients in leveraging the Appian AI Process Platform to automate complex business processes and achieve digital transformation. This role involves deep technical expertise, client engagement, and solution architecture to address specific industry challenges. By translating business needs into effective technology solutions, Christopher Geer ensures clients maximize the value of Appian's offerings. Ultimately, Geer drives technological adoption and customer success within the critical North American region.

    Michael Beckley - Chief Technology Officer & Founder

    Michael Beckley, the Chief Technology Officer & Founder at Appian, sets the technological vision and drives innovation for the company's core platform. Beckley leads the engineering and product development teams, guiding the evolution of Appian's AI Process Platform to meet future market demands. This foundational role involves overseeing research and development, ensuring cutting-edge capabilities, and maintaining the platform's scalability and security. By championing technological advancement and strategic product direction, Michael Beckley ensures Appian remains at the forefront of business process automation. Ultimately, Beckley's technical leadership shapes the company's innovative trajectory and long-term product strategy.
    Michael Beckley

    Susan Charnaux - Chief People Officer

    Susan Charnaux, the Chief People Officer at Appian, directs all human resources strategies and talent management initiatives. Charnaux oversees recruitment, employee development, compensation, benefits, and fostering a positive organizational culture to attract and retain top talent. This leadership role is crucial for supporting Appian's growth by ensuring a skilled and engaged workforce. By implementing effective people strategies and promoting employee well-being, Susan Charnaux directly contributes to operational success and innovation. Ultimately, Charnaux cultivates a high-performing environment that aligns with Appian's business objectives and values.
    Susan Charnaux

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    Frequently Asked Questions Regarding Appian Top Executives and Leadership Team

    Who leads Appian?
    Appian is led by Serge Tanjga (Chief Financial Officer), along with executives such as Catherine Salamone (Chief of Staff To the Chief Financial Officer) and Marcus Dorsey (Chief Revenue Officer).
    Who is part of Appian’s executive team?
    The executive team of Appian includes leaders such as Serge Tanjga (Chief Financial Officer), Catherine Salamone (Chief of Staff To the Chief Financial Officer), Marcus Dorsey (Chief Revenue 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 Chief Financial Officer, Chief of Staff To the Chief Financial Officer, Chief Revenue Officer, Chief of Staff, Chief Marketing Officer.