Definitive Healthcare Executive and Leadership Team

July, 2026

Leadership Overview

Definitive Healthcare has 6 executives leading key functions including marketing, finance, human resources, commercial operations, technology, and legal.

Driven by data-centric insights, Definitive Healthcare is dedicated to empowering organizations with comprehensive intelligence on the healthcare ecosystem, fostering innovation and strategic growth across diverse industries.

Leadership Roles at Definitive Healthcare

  • Chief Financial Officer - Casey Heller
  • Chief Marketing Officer - Justin Steinman
  • Chief Human Resources Officer - Jeannine Lombardi
  • Chief of Staff, Commercial - Karin Campbell
  • Co-Founder & Chief Technology Officer - Nathan Salmon
  • Chief Legal Officer - Jonathan Paris
  • Casey Heller - Chief Financial Officer

    Casey Heller, the Chief Financial Officer at Definitive Healthcare, manages all financial operations and strategic financial planning. Heller oversees accounting, financial reporting, treasury, and investor relations, ensuring fiscal responsibility and driving profitable growth. This critical role involves developing financial models, managing budgets, and identifying opportunities for cost optimization and revenue enhancement across all business units. By providing rigorous financial analysis, Casey Heller supports executive decision-making and guides the company's long-term financial strategy. The Chief Financial Officer's oversight extends to risk management and compliance, safeguarding the company's assets and ensuring adherence to regulatory standards. Heller's expertise is vital in navigating the financial complexities of the software and healthcare data industries, positioning Definitive Healthcare for sustained financial health and expansion.

    Justin Steinman - Chief Marketing Officer

    Justin Steinman, the Chief Marketing Officer at Definitive Healthcare, directs all global marketing initiatives. Steinman architects the company's brand strategy, driving market penetration and demand generation across the pharma & biotech, technology, and healthcare provider sectors. Overseeing digital marketing, content strategy, and product marketing, Steinman ensures cohesive messaging that highlights Definitive Healthcare's unique data solutions. This leadership role involves close collaboration with sales and product development teams to align marketing efforts with business objectives. By analyzing market trends and customer needs, Justin Steinman optimizes campaign performance to expand market share and solidify Definitive Healthcare's position as a leading data intelligence provider. Steinman's focus remains on translating complex data into actionable insights for clients.
    Justin Steinman

    Jeannine Lombardi - Chief Human Resources Officer

    Jeannine Lombardi, the Chief Human Resources Officer at Definitive Healthcare, leads all human capital strategies and organizational development. Lombardi oversees talent acquisition, employee relations, compensation and benefits, and performance management, fostering a high-performance culture. This executive function is crucial for attracting and retaining top talent across technology, sales, and data analytics departments. Jeannine Lombardi champions employee engagement initiatives and ensures alignment between HR policies and the company's overarching business goals. By developing robust training programs and career development paths, Lombardi cultivates a skilled and motivated workforce. The Chief Human Resources Officer's strategic input is essential for scaling the organization effectively and supporting Definitive Healthcare's mission to provide unparalleled healthcare data intelligence.

    Karin Campbell - Chief of Staff, Commercial

    Karin Campbell, the Chief of Staff, Commercial at Definitive Healthcare, drives strategic execution and operational efficiency within the commercial divisions. Campbell coordinates cross-functional initiatives, manages key projects, and supports the leadership team in achieving revenue targets and market expansion goals. This role involves optimizing sales processes, enhancing go-to-market strategies, and ensuring seamless collaboration between sales, marketing, and customer success teams. Karin Campbell provides critical analytical support, identifying areas for improvement and implementing solutions to drive commercial performance. The Chief of Staff, Commercial's focus is on translating strategic objectives into tangible operational plans, directly impacting Definitive Healthcare's growth trajectory in sectors like pharma & biotech and healthcare providers. Campbell ensures commercial operations align with the company's data-driven mission.

    Nathan Salmon - Co-Founder & Chief Technology Officer

    Nathan Salmon, the Co-Founder & Chief Technology Officer at Definitive Healthcare, directs the company's technological vision and product development roadmap. Salmon oversees all aspects of software engineering, data architecture, and IT infrastructure, ensuring the scalability and security of Definitive Healthcare's platform. This leadership position involves driving innovation in data processing, analytics, and user experience to meet the evolving needs of clients in the healthcare and life sciences industries. Nathan Salmon guides the development of cutting-edge solutions that provide deep insights into hospitals, physicians, and other healthcare entities. The Chief Technology Officer's strategic direction is fundamental to maintaining Definitive Healthcare's competitive edge and delivering robust, reliable data intelligence. Salmon's technical expertise underpins the company's ability to serve diverse sectors effectively.
    Jonathan Paris, the Chief Legal Officer at Definitive Healthcare, oversees all legal affairs and ensures regulatory compliance across the organization. Paris manages corporate governance, intellectual property, contracts, and litigation, safeguarding the company's interests. This executive function is critical for navigating the complex legal landscape of the software and healthcare data industries, supporting Definitive Healthcare's operations in sectors ranging from pharma & biotech to healthcare providers. Jonathan Paris provides strategic counsel on legal matters, mitigating risks and facilitating business objectives. The Chief Legal Officer's responsibilities include advising on data privacy regulations and ensuring adherence to all applicable laws and industry standards. Paris's expertise is essential for maintaining the integrity and trustworthiness of Definitive Healthcare's data solutions and corporate practices.
    Jonathan Paris

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    Frequently Asked Questions Regarding Definitive Healthcare Top Executives and Leadership Team

    Who leads Definitive Healthcare?
    Definitive Healthcare is led by Casey Heller (Chief Financial Officer), along with executives such as Justin Steinman (Chief Marketing Officer) and Jeannine Lombardi (Chief Human Resources Officer).
    Who is part of Definitive Healthcare’s executive team?
    The executive team of Definitive Healthcare includes leaders such as Casey Heller (Chief Financial Officer), Justin Steinman (Chief Marketing Officer), Jeannine Lombardi (Chief Human Resources Officer) and other senior executives.
    How many executives does Definitive Healthcare have?
    Definitive Healthcare has 6 executives leading key business areas.
    What roles are included in Definitive Healthcare’s leadership team?
    The leadership team of Definitive Healthcare includes roles such as Chief Financial Officer, Chief Marketing Officer, Chief Human Resources Officer, Chief of Staff, Commercial, Co-Founder & Chief Technology Officer.