Astronomer Executive and Leadership Team

September, 2026

Leadership Overview

Astronomer has 7 executives leading key functions including strategy, technology, revenue, and field operations.

Focused on advancing data orchestration, Astronomer delivers robust infrastructure solutions that empower global enterprises to optimize complex data pipelines and achieve superior operational reliability across diverse industry sectors.

Leadership Roles at Astronomer

  • Chief Executive Officer & Co-Founder - Pete DeJoy
  • Chief Executive Officer, Strategy & Operations, Office of - Juliana O'Donohue
  • President, Field Operations - Matthew Simontacchi
  • Chief Technology Officer - Julian LaNeve
  • Chief Revenue Officer - Mike Haas
  • Co-Founder & Chief Technology Officer - Greg Neiheisel
  • Senior Software Engineer & Chief Technology Officer, Office of - Milton Li
  • Pete DeJoy - Chief Executive Officer & Co-Founder

    Pete DeJoy, the Chief Executive Officer & Co-Founder at Astronomer, directs the overarching corporate vision and long-term growth strategy. By aligning product development with market demands for scalable data orchestration, DeJoy ensures the organization maintains a competitive edge in the data infrastructure landscape. This leadership role involves constant engagement with the Board to refine business objectives and secure capital for expansion. Overseeing the executive team, DeJoy fosters a culture of innovation that drives the adoption of Apache Airflow across global markets. Pete DeJoy maintains a focus on delivering high-value solutions that simplify complex workflows for finance, retail, and healthcare clients. Through strategic partnerships and market positioning, DeJoy accelerates the adoption of the Astro platform. Ultimately, DeJoy secures the company's trajectory as a leader in the software industry by prioritizing reliability and agility in every enterprise deployment.

    Juliana O'Donohue - Chief Executive Officer, Strategy & Operations, Office of

    Juliana O'Donohue, the Chief Executive Officer, Strategy & Operations, Office of at Astronomer, architects the internal frameworks that support rapid organizational scaling. By streamlining cross-departmental workflows, O'Donohue ensures that operational output aligns with the company's mission to provide managed data orchestration. This role involves managing the intersection of strategic planning and daily execution to maximize efficiency across all business units. Juliana O'Donohue monitors key performance indicators to identify bottlenecks in the software delivery lifecycle, implementing solutions that enhance data reliability for clients. By coordinating with other C-suite leaders, O'Donohue drives initiatives that improve resource allocation and project management. This leadership function supports the company's expansion into new markets by maintaining a robust operational foundation. Through rigorous analysis of internal processes, O'Donohue optimizes the delivery of the Astro platform, ensuring consistent value creation for the diverse clientele served by the organization.
    Juliana O'Donohue

    Matthew Simontacchi - President, Field Operations

    Matthew Simontacchi, the President, Field Operations at Astronomer, directs the implementation and support services that ensure client success. By overseeing the deployment of the Astro platform, Simontacchi ensures that organizations achieve operational agility and data reliability. This leadership role involves managing the teams responsible for customer onboarding, technical support, and professional services. Matthew Simontacchi coordinates with the sales and engineering departments to ensure that field operations align with the company's overall strategic objectives. By focusing on the customer experience, Simontacchi drives high levels of satisfaction and product adoption across global markets. This role requires a deep understanding of the challenges faced by data teams in industries such as finance and healthcare. Through effective management of field resources, Simontacchi supports the company's growth by ensuring that every client receives maximum value from the software. Ultimately, Simontacchi secures the company's reputation for excellence in service delivery.
    Matthew Simontacchi

    Julian LaNeve - Chief Technology Officer

    Julian LaNeve, the Chief Technology Officer at Astronomer, directs the technical roadmap and engineering initiatives for the Astro platform. By overseeing the development of managed data orchestration tools, LaNeve ensures the software meets the rigorous demands of modern data teams. This leadership role involves managing the engineering department to maintain high standards of performance and security for Apache Airflow users. Julian LaNeve collaborates with product teams to integrate new features that enhance data pipeline reliability and operational agility. By focusing on scalable architecture, LaNeve supports the company's goal of simplifying complex workflows for enterprise clients. This technical oversight extends to managing infrastructure deployments that serve a global customer base. Through continuous innovation in software design, LaNeve drives the evolution of the platform, ensuring it remains at the forefront of the data infrastructure industry. Ultimately, LaNeve secures the technical integrity of the product suite.

    Mike Haas - Chief Revenue Officer

    Mike Haas, the Chief Revenue Officer at Astronomer, directs all global sales and revenue-generating activities. By overseeing the enterprise sales teams, Haas ensures the company captures significant market share within the data infrastructure sector. This leadership role involves developing go-to-market strategies that highlight the value of the Astro platform to finance, retail, and healthcare organizations. Mike Haas manages the sales funnel to drive consistent growth and meet aggressive revenue targets. By aligning sales efforts with customer success initiatives, Haas fosters long-term relationships that increase client retention. This role requires close coordination with the marketing and product departments to ensure the sales team possesses the necessary tools to communicate the benefits of managed data orchestration. Through strategic market expansion, Haas secures the financial stability of the organization. Ultimately, Haas drives the commercial success of the company by optimizing the sales process and expanding the global footprint.
    Mike Haas

    Greg Neiheisel - Co-Founder & Chief Technology Officer

    Greg Neiheisel, the Co-Founder & Chief Technology Officer at Astronomer, architects the core technological vision and long-term research initiatives for the company. By focusing on the foundational aspects of Apache Airflow, Neiheisel ensures the platform provides unparalleled reliability for data-driven organizations. This leadership role involves guiding the research and development teams to explore emerging trends in data orchestration and software engineering. Greg Neiheisel collaborates with the executive team to align technical capabilities with the evolving needs of the market. By prioritizing innovation in pipeline management, Neiheisel supports the company's mission to empower data teams with actionable insights. This role involves overseeing the technical strategy that enables the platform to scale across diverse industries. Through deep expertise in software infrastructure, Neiheisel drives the development of advanced features that maintain the company's competitive advantage. Ultimately, Neiheisel secures the long-term technical viability of the product ecosystem.
    Greg Neiheisel

    Milton Li - Senior Software Engineer & Chief Technology Officer, Office of

    Milton Li, the Senior Software Engineer & Chief Technology Officer, Office of at Astronomer, executes high-level technical projects that enhance the performance of the Astro platform. By focusing on the optimization of data pipeline execution, Li ensures that the software delivers maximum efficiency for enterprise users. This leadership role involves bridging the gap between high-level technical strategy and granular code implementation. Milton Li collaborates with engineering teams to resolve complex architectural challenges, ensuring the platform remains robust and reliable. By analyzing system performance metrics, Li identifies opportunities for improvement in the orchestration engine. This role supports the broader technical goals of the organization by providing hands-on expertise in software development and system design. Through rigorous testing and deployment practices, Li maintains the high standards expected by the company's diverse clientele. Ultimately, Li drives the technical excellence of the platform through precise engineering and strategic problem-solving.

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    Frequently Asked Questions Regarding Astronomer Top Executives and Leadership Team

    Who leads Astronomer?
    Astronomer is led by Pete DeJoy (Chief Executive Officer & Co-Founder), along with executives such as Juliana O'Donohue (Chief Executive Officer, Strategy & Operations, Office of) and Matthew Simontacchi (President, Field Operations).
    Who is part of Astronomer’s executive team?
    The executive team of Astronomer includes leaders such as Pete DeJoy (Chief Executive Officer & Co-Founder), Juliana O'Donohue (Chief Executive Officer, Strategy & Operations, Office of), Matthew Simontacchi (President, Field Operations) and other senior executives.
    How many executives does Astronomer have?
    Astronomer has 7 executives leading key business areas.
    What roles are included in Astronomer’s leadership team?
    The leadership team of Astronomer includes roles such as Chief Executive Officer & Co-Founder, Chief Executive Officer, Strategy & Operations, Office of, President, Field Operations, Chief Technology Officer, Chief Revenue Officer.