Appian Executive and Leadership Team

July, 2026

Leadership Overview

Appian has 5 executives leading key functions including strategy, operations, marketing, finance, and human resources.

Driven by continuous innovation, Appian is dedicated to providing AI-powered automation for mission-critical work, helping large enterprises and government organizations streamline complex business processes and accelerate digital transformation.

Leadership Roles at Appian

  • Founder, Chief Executive Officer & Chairman of the Board - Matt Calkins
  • Chief Financial Officer - Serge Tanjga
  • Chief of Staff - Alexandra Monks
  • Chief Marketing Officer - David Crozier
  • 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 overarching strategy and vision. Calkins drives the direction for AI-powered automation solutions, ensuring Appian's platform delivers exceptional reliability, scalability, and secure automation for large enterprises and government organizations. Overseeing all aspects of the business, the Chief Executive Officer ensures that Appian's intelligent solutions simplify operations and enhance decision-making across diverse industries. This leadership role involves guiding the company's expansion and solidifying its market position in enterprise process automation. By championing innovation, Matt Calkins directly impacts the acceleration of digital transformation for Appian's clients, supporting consistent business outcomes and long-term growth.
    Matt Calkins

    Serge Tanjga - Chief Financial Officer

    Serge Tanjga, the Chief Financial Officer at Appian, oversees all financial operations and strategic fiscal planning. Tanjga manages the company's financial health, ensuring resources are allocated effectively to support the development and delivery of AI-powered automation for mission-critical work. Overseeing budgeting, forecasting, and financial reporting, the Chief Financial Officer provides critical insights that guide Appian's pursuit of exceptional reliability and scalability. This role involves managing investments in digital transformation initiatives and ensuring secure financial practices across the organization. By maintaining fiscal discipline and driving financial performance, Serge Tanjga directly contributes to Appian's ability to deliver consistent business outcomes and accelerate growth for its enterprise and government clients.
    Serge Tanjga

    Alexandra Monks - Chief of Staff

    Alexandra Monks, the Chief of Staff at Appian, facilitates strategic initiatives and operational execution across the organization. Monks ensures seamless coordination between departments, supporting the company's mission to streamline complex business processes with AI-powered automation. This role involves managing key projects and driving efficiency improvements, directly contributing to Appian's reputation for exceptional reliability and scalability. Overseeing critical cross-functional programs, the Chief of Staff enhances decision-making and supports the acceleration of digital transformation. By aligning operational efforts with strategic goals, Alexandra Monks plays a vital part in delivering consistent business outcomes for large enterprises and government organizations.

    David Crozier - Chief Marketing Officer

    David Crozier, the Chief Marketing Officer at Appian, directs all global marketing strategies and brand initiatives. Crozier drives the promotion of Appian's AI-powered automation platform, emphasizing its capabilities in streamlining complex business processes for large enterprises and government organizations. Overseeing market positioning and demand generation, the Chief Marketing Officer ensures Appian's message of exceptional reliability, scalability, and secure automation resonates across industries. This leadership function involves crafting compelling narratives that highlight the company's role in accelerating digital transformation and enhancing decision-making. By expanding market reach and communicating the value of intelligent solutions, David Crozier directly supports Appian's objective of delivering consistent business outcomes and driving enterprise growth.
    David Crozier

    Susan Charnaux - Chief People Officer

    Susan Charnaux, the Chief People Officer at Appian, directs human capital strategies and cultivates the company's organizational culture. Charnaux focuses on attracting, developing, and retaining top talent essential for delivering AI-powered automation solutions that streamline complex business processes. Overseeing all aspects of employee experience and talent management, the Chief People Officer ensures Appian fosters an environment of innovation and collaboration, supporting exceptional reliability and scalability. This leadership position involves aligning people strategies with the company's mission to accelerate digital transformation and enhance decision-making across large enterprises and government organizations. By championing employee growth and engagement, Susan Charnaux directly supports Appian's commitment to delivering consistent business outcomes and driving sustained organizational success.
    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 Alexandra Monks (Chief of Staff).
    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), Alexandra Monks (Chief of Staff) and other senior executives.
    How many executives does Appian have?
    Appian has 5 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, Chief Marketing Officer, Chief People Officer.