Appian Executive and Leadership Team

October, 2026

Leadership Overview

Appian has 7 executives leading key functions including strategy, financial operations, marketing, and human capital management.

Focused on delivering AI-powered automation for mission-critical work, Appian empowers large enterprises and government organizations to streamline complex business processes through a reliable, scalable, and secure software platform.

Leadership Roles at Appian

  • Founder, Chief Executive Officer & Chairman of the Board - Matt Calkins
  • Founder & Chief Executive Officer & Ambassador - Marc Wilson
  • Principal Strategy Analyst, Office of the Chief Executive Officer - Andrew Frederick
  • Chief Financial Officer - Serge Tanjga
  • Chief Marketing Officer - David Crozier
  • Chief of Staff - Lang Ly
  • 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, directs the overarching vision and strategic trajectory of the organization. Calkins architects the long-term roadmap for AI-powered automation, ensuring the platform remains at the forefront of enterprise process efficiency. By overseeing global market expansion and maintaining rigorous standards for software reliability, the Chief Executive Officer drives consistent growth across diverse industries. This leadership role involves constant engagement with the Board to align corporate governance with innovative product development. Matt Calkins maintains a focus on simplifying complex operations for government and enterprise clients, fostering a culture of technical excellence. Through the integration of intelligent solutions, the Chairman of the Board secures the company's position as a leader in digital transformation, ultimately delivering sustainable value to stakeholders while navigating the evolving landscape of enterprise software.
    Matt Calkins

    Marc Wilson - Founder & Chief Executive Officer & Ambassador

    Marc Wilson, the Founder & Chief Executive Officer & Ambassador at Appian, cultivates deep relationships with global partners and key enterprise clients. Wilson champions the adoption of automation technology, translating complex business requirements into actionable software solutions that enhance decision-making. As an Ambassador, the Founder facilitates high-level communication between the organization and the broader market, ensuring that the mission of streamlining operations remains central to all external engagements. Marc Wilson drives the expansion of the company's footprint by demonstrating the tangible benefits of intelligent process automation to diverse sectors. This role requires constant collaboration with internal product teams to refine the platform's capabilities based on real-world feedback. By bridging the gap between technical innovation and client needs, the Chief Executive Officer ensures that the company maintains its reputation for exceptional reliability and scalability in mission-critical environments.
    Marc Wilson

    Andrew Frederick - Principal Strategy Analyst, Office of the Chief Executive Officer

    Andrew Frederick, the Principal Strategy Analyst, Office of the Chief Executive Officer at Appian, evaluates market trends and competitive dynamics to inform high-level corporate decision-making. Frederick analyzes complex data sets to identify opportunities for digital transformation, ensuring that the platform aligns with the evolving needs of large enterprises. By supporting the Office of the Chief Executive Officer, the Principal Strategy Analyst provides critical insights that shape the company's long-term growth initiatives and operational focus. Andrew Frederick collaborates across departments to synthesize information, enabling the leadership team to execute strategies that improve efficiency and simplify business processes. This role involves monitoring the impact of AI-powered automation on global markets, providing the necessary intelligence to maintain a competitive edge. Through rigorous assessment and strategic planning, the analyst contributes to the overall stability and success of the organization in the highly competitive software industry.

    Serge Tanjga - Chief Financial Officer

    Serge Tanjga, the Chief Financial Officer at Appian, manages the fiscal health and capital allocation strategies required to support rapid innovation. Tanjga oversees financial planning, reporting, and investor relations, ensuring that the company maintains the resources necessary for scaling its AI-powered automation platform. By directing budgetary discipline and risk management, the Chief Financial Officer enables the organization to invest in secure, reliable software development. Serge Tanjga collaborates with the executive team to align financial performance with long-term growth objectives, facilitating the expansion of operations across international markets. This leadership role involves maintaining transparency with stakeholders and optimizing the capital structure to support consistent business outcomes. Through precise financial oversight, the CFO ensures that the company remains well-positioned to capitalize on emerging opportunities in the enterprise software sector, ultimately driving value and operational efficiency for clients and shareholders alike.
    Serge Tanjga

    David Crozier - Chief Marketing Officer

    David Crozier, the Chief Marketing Officer at Appian, architects the global brand strategy and demand generation programs that highlight the value of AI-powered automation. Crozier directs marketing initiatives that communicate the platform's reliability and scalability to large enterprises and government organizations. By overseeing the development of compelling messaging and market positioning, the Chief Marketing Officer ensures that the company's solutions resonate with decision-makers seeking to accelerate digital transformation. David Crozier manages cross-functional campaigns that drive lead acquisition and brand awareness across diverse geographic regions. This role involves close coordination with sales and product teams to ensure that marketing efforts accurately reflect the company's technical capabilities and mission-critical focus. Through data-driven insights and creative outreach, the CMO strengthens the company's market presence, fostering growth and supporting the overall objective of simplifying complex business processes for a global client base.
    David Crozier

    Lang Ly - Chief of Staff

    Lang Ly, the Chief of Staff at Appian, coordinates executive operations and facilitates communication across the leadership team to ensure organizational alignment. Ly manages high-priority projects and streamlines internal processes, allowing the C-suite to focus on strategic initiatives related to AI-powered automation. By overseeing the flow of information and managing key cross-departmental workflows, the Chief of Staff enhances operational efficiency and decision-making speed. Lang Ly acts as a central point of contact for critical business matters, ensuring that the company's mission-critical objectives remain the primary focus of all internal activities. This role involves supporting the execution of corporate strategy and fostering collaboration between various business units to achieve consistent outcomes. Through meticulous planning and effective project management, the Chief of Staff enables the organization to maintain its momentum in the competitive software industry, ensuring that all teams remain synchronized with the broader corporate vision.

    Susan Charnaux - Chief People Officer

    Susan Charnaux, the Chief People Officer at Appian, directs the human capital strategy, focusing on talent acquisition, employee development, and organizational culture. Charnaux architects programs that attract and retain the specialized talent required to build and support advanced AI-powered automation software. By overseeing performance management and leadership development, the Chief People Officer ensures that the workforce remains aligned with the company's mission of delivering reliable and scalable solutions. Susan Charnaux fosters an inclusive environment that encourages innovation and technical excellence, which are essential for maintaining the company's market position. This role involves collaborating with other executives to ensure that the organizational structure supports the company's growth and operational goals. Through strategic workforce planning and a commitment to employee engagement, the CPO builds the foundation for long-term success, ensuring that the company continues to attract the best minds in the software industry.
    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 Marc Wilson (Founder & Chief Executive Officer & Ambassador) and Andrew Frederick (Principal Strategy Analyst, Office of the Chief Executive 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), Marc Wilson (Founder & Chief Executive Officer & Ambassador), Andrew Frederick (Principal Strategy Analyst, Office of the Chief Executive Officer) and other senior executives.
    How many executives does Appian have?
    Appian has 7 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, Founder & Chief Executive Officer & Ambassador, Principal Strategy Analyst, Office of the Chief Executive Officer, Chief Financial Officer, Chief Marketing Officer.