Appian Executive and Leadership Team

September, 2026

Leadership Overview

Appian has 7 executives leading key functions including strategy, executive leadership, marketing, operations, finance, and human resources.

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 platform.

Leadership Roles at Appian

  • Principal Strategy Analyst, Office of the Chief Executive Officer - Andrew Frederick
  • Founder & Chief Executive Officer & Ambassador - Marc Wilson
  • Founder, Chief Executive Officer & Chairman of the Board - Matt Calkins
  • Chief Financial Officer - Serge Tanjga
  • Chief Marketing Officer - David Crozier
  • Chief of Staff - Alexandra Monks
  • Chief People Officer - Susan Charnaux
  • 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 to refine corporate direction. This role involves analyzing competitive landscapes to ensure the platform maintains a leading position in AI-powered automation. By synthesizing complex data, the Principal Strategy Analyst, Office of the Chief Executive Officer supports executive decision-making regarding long-term growth initiatives. Andrew Frederick collaborates with leadership to align internal resources with the evolving needs of government and enterprise clients. Through rigorous assessment of operational efficiency, the analyst identifies opportunities for digital transformation across global markets. This position requires constant monitoring of industry shifts to maintain the competitive edge of the organization. Ultimately, the work performed by Frederick ensures that strategic planning remains grounded in actionable intelligence, directly contributing to the sustained success of the company in the automation sector.

    Marc Wilson - Founder & Chief Executive Officer & Ambassador

    Marc Wilson, the Founder & Chief Executive Officer & Ambassador at Appian, drives the vision for enterprise process automation. As a primary architect of the company culture, the Founder & Chief Executive Officer & Ambassador fosters innovation to simplify complex business operations. This leadership role involves representing the organization on a global stage, building partnerships that expand the reach of AI-powered solutions. Marc Wilson oversees the alignment of product development with the mission-critical requirements of large-scale organizations. By championing the platform, the executive ensures that clients achieve consistent business outcomes through secure and scalable technology. The Founder & Chief Executive Officer & Ambassador maintains a focus on long-term market impact, guiding the company through rapid digital transformation cycles. Through this dedicated leadership, Wilson secures the position of the firm as a trusted partner for enterprises seeking to enhance decision-making and operational efficiency.
    Marc Wilson

    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 strategy and governance of the enterprise. As the primary visionary, the Founder, Chief Executive Officer & Chairman of the Board shapes the development of the AI-powered automation platform to meet the rigorous demands of global government and commercial sectors. Matt Calkins manages the board of directors to ensure alignment between corporate governance and long-term growth objectives. This role involves overseeing the expansion of the company into new international markets while maintaining the core reliability of the software. By prioritizing secure and scalable solutions, the executive ensures that the organization remains at the forefront of digital transformation. Through consistent focus on product excellence and market leadership, Calkins drives the company toward achieving its mission of simplifying complex business processes for every client.
    Matt Calkins

    Serge Tanjga - Chief Financial Officer

    Serge Tanjga, the Chief Financial Officer at Appian, directs the financial strategy and capital allocation to support the growth of the AI-powered automation platform. Overseeing fiscal planning, the Chief Financial Officer ensures that the company maintains the resources necessary to innovate and scale its mission-critical software. Serge Tanjga manages investor relations and financial reporting, providing transparency regarding the performance of the organization in global markets. This role involves analyzing the economic impact of digital transformation initiatives to ensure long-term profitability. By optimizing the financial structure, the Chief Financial Officer supports the ability of the firm to deliver consistent business outcomes for government and enterprise clients. Tanjga collaborates with the executive team to align budgetary priorities with the strategic vision of the company. Through rigorous financial oversight, the executive secures the stability required to maintain the competitive position of the firm in the software industry.
    Serge Tanjga

    David Crozier - Chief Marketing Officer

    David Crozier, the Chief Marketing Officer at Appian, architects the global brand strategy to communicate the value of AI-powered automation. Overseeing all demand generation and market positioning, the Chief Marketing Officer ensures that the platform reaches key decision-makers in large enterprises and government agencies. David Crozier directs campaigns that highlight the reliability and scalability of the software, driving adoption across diverse industries. This leadership role involves coordinating with sales and product teams to ensure messaging remains consistent with the mission of simplifying complex business processes. By analyzing market data, the Chief Marketing Officer optimizes outreach efforts to maximize growth in North American and international regions. Through strategic brand management, Crozier strengthens the market presence of the company. This work directly supports the broader goal of accelerating digital transformation for clients by clearly articulating the benefits of the intelligent solutions provided by the firm.
    David Crozier

    Alexandra Monks - Chief of Staff

    Alexandra Monks, the Chief of Staff at Appian, manages the operational flow of the executive office to ensure alignment with corporate goals. By facilitating communication between departments, the Chief of Staff enables the leadership team to execute strategic initiatives with precision. Alexandra Monks oversees the prioritization of projects that support the mission of delivering AI-powered automation to complex organizations. This role involves coordinating cross-functional efforts to streamline internal processes and enhance decision-making speed. By managing the cadence of executive meetings and tracking key performance indicators, the Chief of Staff ensures that the company remains focused on its core objectives. Monks provides the necessary structure for the organization to scale effectively while maintaining the reliability of the platform. Through this oversight, the executive ensures that the vision of the leadership team translates into tangible business outcomes across all operational sectors.

    Susan Charnaux - Chief People Officer

    Susan Charnaux, the Chief People Officer at Appian, leads the human capital strategy to attract and retain the talent necessary for building AI-powered automation solutions. Overseeing organizational development, the Chief People Officer fosters a culture of innovation that supports the mission of simplifying complex business processes. Susan Charnaux directs initiatives focused on employee engagement, professional growth, and diversity to ensure the workforce remains aligned with the goals of the company. This role involves managing global talent acquisition to support the expansion of the firm into new markets. By implementing programs that enhance operational efficiency, the Chief People Officer ensures that the team remains capable of delivering reliable and secure technology to clients. Charnaux collaborates with leadership to cultivate an environment where high performance drives digital transformation. Through this focus on people, the executive ensures that the organization maintains the expertise required to lead in the enterprise software sector.
    Susan Charnaux

    Explore Leadership Teams in Engineering Software

    Frequently Asked Questions Regarding Appian Top Executives and Leadership Team

    Who leads Appian?
    Appian is led by Andrew Frederick (Principal Strategy Analyst, Office of the Chief Executive Officer), along with executives such as Marc Wilson (Founder & Chief Executive Officer & Ambassador) and Matt Calkins (Founder, Chief Executive Officer & Chairman of the Board).
    Who is part of Appian’s executive team?
    The executive team of Appian includes leaders such as Andrew Frederick (Principal Strategy Analyst, Office of the Chief Executive Officer), Marc Wilson (Founder & Chief Executive Officer & Ambassador), Matt Calkins (Founder, Chief Executive Officer & Chairman of the Board) 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 Principal Strategy Analyst, Office of the Chief Executive Officer, Founder & Chief Executive Officer & Ambassador, Founder, Chief Executive Officer & Chairman of the Board, Chief Financial Officer, Chief Marketing Officer.