Definitive Healthcare Executive and Leadership Team

September, 2026

Leadership Overview

Definitive Healthcare has 6 executives leading key functions including financial strategy, marketing, commercial operations, human resources, technology development, and legal compliance.

Focused on delivering actionable intelligence for the healthcare ecosystem, Definitive Healthcare empowers organizations to navigate complex provider data landscapes through advanced software solutions and comprehensive market analytics.

Leadership Roles at Definitive Healthcare

  • Chief Financial Officer - Casey Heller
  • Chief Marketing Officer - Justin Steinman
  • Chief of Staff, Commercial - Karin Campbell
  • Chief Human Resources Officer - Jeannine Sheehan
  • 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, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures rigorous budget management and accurate reporting across all departments. This leadership role involves analyzing market trends to support long-term growth and profitability within the competitive healthcare software sector. By optimizing capital structures and managing investor relations, Casey Heller directly impacts the company's ability to scale operations and invest in new data capabilities. Heller maintains strict adherence to financial regulations while providing the necessary resources for product innovation. Through precise forecasting and risk assessment, the Chief Financial Officer secures the fiscal stability required to maintain a dominant market position in the healthcare intelligence industry, ultimately driving sustainable value for shareholders and stakeholders alike.

    Justin Steinman - Chief Marketing Officer

    Justin Steinman, the Chief Marketing Officer at Definitive Healthcare, architects the global brand strategy and demand generation initiatives. Overseeing the marketing department, the Chief Marketing Officer drives market awareness for the company's data-driven software solutions across diverse sectors like pharma, biotech, and medical devices. This leadership role involves crafting compelling narratives that highlight the value of provider intelligence for complex healthcare organizations. By leveraging data analytics to refine customer acquisition funnels, Justin Steinman directly impacts the company's market penetration and lead conversion rates. Steinman coordinates with product teams to ensure messaging aligns with the evolving needs of healthcare providers and IDNs. Through strategic positioning and digital outreach, the Chief Marketing Officer expands the company's footprint in North American markets, ensuring the brand remains the primary resource for actionable healthcare intelligence and industry insights.
    Justin Steinman

    Karin Campbell - Chief of Staff, Commercial

    Karin Campbell, the Chief of Staff, Commercial at Definitive Healthcare, manages cross-functional alignment and operational efficiency within the commercial organization. Overseeing the execution of strategic initiatives, the Chief of Staff, Commercial ensures that sales, marketing, and customer success teams operate in perfect synchronization. This leadership role involves streamlining internal processes to accelerate revenue growth and improve client retention across the healthcare provider and financial services sectors. By facilitating communication between executive leadership and frontline teams, Karin Campbell directly impacts the agility and responsiveness of the commercial division. Campbell monitors key performance indicators to identify bottlenecks and implement scalable solutions that support rapid market expansion. Through rigorous project management and strategic oversight, the Chief of Staff, Commercial optimizes the company's ability to deliver high-quality data services to a broad range of industry partners.

    Jeannine Sheehan - Chief Human Resources Officer

    Jeannine Sheehan, the Chief Human Resources Officer at Definitive Healthcare, directs talent acquisition, organizational development, and employee engagement strategies. Overseeing the human capital lifecycle, the Chief Human Resources Officer ensures the company attracts and retains top-tier talent capable of advancing complex healthcare software solutions. This leadership role involves fostering a high-performance culture that supports innovation and operational excellence across all departments. By implementing robust training programs and performance management systems, Jeannine Sheehan directly impacts the company's ability to maintain a competitive edge in the technology and healthcare services markets. Sheehan aligns workforce planning with the broader corporate mission to ensure the organization possesses the necessary expertise to serve diverse clients. Through strategic leadership and cultural stewardship, the Chief Human Resources Officer builds a resilient, diverse, and highly skilled workforce that drives the company's long-term success.

    Nathan Salmon - Co-Founder & Chief Technology Officer

    Nathan Salmon, the Co-Founder & Chief Technology Officer at Definitive Healthcare, architects the technical vision and product development roadmap for the company's data platforms. Overseeing the engineering and data science teams, the Co-Founder & Chief Technology Officer ensures the delivery of scalable, secure, and high-performance software solutions for healthcare providers and life sciences companies. This leadership role involves integrating complex datasets into intuitive tools that provide actionable insights for clients. By driving innovation in data processing and cloud infrastructure, Nathan Salmon directly impacts the company's ability to maintain its status as a leader in healthcare intelligence. Salmon collaborates with other executives to align technical capabilities with market demands and emerging industry trends. Through continuous technological advancement and rigorous quality control, the Co-Founder & Chief Technology Officer secures the company's position at the forefront of the healthcare software industry.
    Jonathan Paris, the Chief Legal Officer at Definitive Healthcare, directs all legal affairs, corporate governance, and regulatory compliance initiatives. Overseeing the legal department, the Chief Legal Officer ensures the company navigates the complex regulatory landscape governing healthcare data and software services. This leadership role involves managing intellectual property, contract negotiations, and risk mitigation strategies to protect the company's assets and reputation. By providing expert counsel on data privacy and industry-specific regulations, Jonathan Paris directly impacts the company's ability to operate securely and ethically across all markets. Paris collaborates with the executive team to ensure that all strategic initiatives comply with legal standards while supporting business growth. Through proactive legal oversight and diligent contract management, the Chief Legal Officer safeguards the company's interests and facilitates smooth operations within the highly regulated healthcare and technology sectors.
    Jonathan Paris

    Explore Leadership Teams in Healthcare Software

    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 Karin Campbell (Chief of Staff, Commercial).
    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), Karin Campbell (Chief of Staff, Commercial) 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 of Staff, Commercial, Chief Human Resources Officer, Co-Founder & Chief Technology Officer.