WebMD Executive and Leadership Team

July, 2026

Leadership Overview

WebMD has 6 executives leading key functions including finance, revenue, technology, and general management.

Driven by a commitment to accessible health information, WebMD empowers individuals with reliable data, fostering informed health decisions and enhancing overall well-being through its diverse portfolio of digital platforms.

Leadership Roles at WebMD

  • Chief Financial Officer - Mark Funston
  • Executive Vice President & Chief Financial Officer - Blake DeSimone
  • President & General Manager - John Harrison
  • JHI President, PIM - Michael Lemon
  • Senior Chief Revenue Officer & Data Analyst - Rajat Kumar
  • Webmd Ignite Vice President, Technology & Chief Technology Officer, Ignite Growth Platform Fka Mercury Healthcare - Rana Klug Leeds
  • Mark Funston - Chief Financial Officer

    Mark Funston, the Chief Financial Officer at WebMD, directs the company's financial strategy and operations. Funston oversees all fiscal activities, including budgeting, financial planning, and reporting, ensuring robust financial health for the organization. This leadership role involves managing capital allocation and optimizing financial performance across WebMD's various health information services. Funston's oversight extends to risk management and ensuring compliance with financial regulations. By maintaining stringent financial controls, Mark Funston supports the company's advertising-financed model and its expansion into new digital health ventures. The Chief Financial Officer's strategic guidance is crucial for sustaining WebMD's market position and driving profitable growth through efficient resource management.

    Blake DeSimone - Executive Vice President & Chief Financial Officer

    Blake DeSimone, the Executive Vice President & Chief Financial Officer at WebMD, manages the company's comprehensive financial architecture and strategic fiscal planning. DeSimone's purview encompasses all financial operations, including accounting, treasury, and investor relations, ensuring the fiscal integrity of WebMD's diverse media properties. This critical leadership position involves guiding financial policy, overseeing mergers and acquisitions, and optimizing capital structure to support sustained growth. Blake DeSimone's expertise is vital in navigating the complexities of the digital health information market. The Executive Vice President & Chief Financial Officer works closely with other senior leaders to align financial objectives with the company's mission of providing accessible health content. Through astute financial management, Blake DeSimone reinforces WebMD's market leadership and operational efficiency.
    Blake DeSimone

    John Harrison - President & General Manager

    John Harrison, the President & General Manager at WebMD, directs the overall strategic direction and operational execution of the company's core business units. Harrison oversees the day-to-day management of WebMD's various health-related websites, including WebMD.com, MedicineNet, and Medscape, ensuring seamless integration and optimal performance. This executive role involves leading cross-functional teams to drive growth, enhance user engagement, and expand market reach within the digital health information sector. John Harrison's leadership is instrumental in maintaining WebMD's reputation for providing reliable health content and fostering strong relationships with advertisers and healthcare professionals. The President & General Manager champions innovation and operational efficiency across all divisions. By focusing on strategic market positioning and operational excellence, John Harrison ensures WebMD's continued success and influence.

    Michael Lemon - JHI President, PIM

    Michael Lemon, the JHI President, PIM at WebMD, leads the strategic development and operational management of specific business divisions within the company. Lemon's responsibilities include driving growth and performance for the PIM (Physician Information Management) segment, ensuring its alignment with WebMD's broader objectives. This executive role involves overseeing key initiatives, fostering strategic partnerships, and optimizing resource allocation to enhance market presence and profitability. Michael Lemon's leadership focuses on delivering value to healthcare professionals and advertisers through targeted information services. The JHI President, PIM works to expand the reach and impact of WebMD's specialized platforms. Through dedicated management and strategic foresight, Michael Lemon contributes significantly to WebMD's overall mission and market leadership.

    Rajat Kumar - Senior Chief Revenue Officer & Data Analyst

    Rajat Kumar, the Senior Chief Revenue Officer & Data Analyst at WebMD, spearheads revenue generation and data-driven strategic initiatives. Kumar directs all commercial activities, focusing on maximizing advertising revenue across WebMD's extensive network of health-related websites. This executive role involves leveraging advanced data analytics to identify market trends, optimize advertising placements, and enhance client engagement. Rajat Kumar's responsibilities include developing innovative revenue streams and forging strategic partnerships to expand the company's commercial reach. The Senior Chief Revenue Officer & Data Analyst ensures that data insights directly inform business development and sales strategies. Through meticulous analysis and a keen understanding of the digital advertising landscape, Rajat Kumar drives significant revenue growth and strengthens WebMD's financial foundation.

    Rana Klug Leeds - Webmd Ignite Vice President, Technology & Chief Technology Officer, Ignite Growth Platform Fka Mercury Healthcare

    Rana Klug Leeds, the Webmd Ignite Vice President, Technology & Chief Technology Officer, Ignite Growth Platform Fka Mercury Healthcare at WebMD, architects the technological vision and infrastructure for WebMD's innovation platforms. Leeds directs the development and implementation of cutting-edge technology solutions that power WebMD's health information services and growth initiatives. This executive role involves overseeing all aspects of technology strategy, including software development, data management, and cybersecurity, ensuring the scalability and reliability of WebMD's digital ecosystem. Rana Klug Leeds's leadership is pivotal in enhancing user experience and driving technological advancements across the Ignite Growth Platform. The Chief Technology Officer ensures that technology investments align with business objectives, fostering innovation and operational excellence. Through strategic technological direction, Rana Klug Leeds strengthens WebMD's competitive edge and its ability to deliver vital health information.

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    Frequently Asked Questions Regarding WebMD Top Executives and Leadership Team

    Who leads WebMD?
    WebMD is led by Mark Funston (Chief Financial Officer), along with executives such as Blake DeSimone (Executive Vice President & Chief Financial Officer) and John Harrison (President & General Manager).
    Who is part of WebMD’s executive team?
    The executive team of WebMD includes leaders such as Mark Funston (Chief Financial Officer), Blake DeSimone (Executive Vice President & Chief Financial Officer), John Harrison (President & General Manager) and other senior executives.
    How many executives does WebMD have?
    WebMD has 6 executives leading key business areas.
    What roles are included in WebMD’s leadership team?
    The leadership team of WebMD includes roles such as Chief Financial Officer, Executive Vice President & Chief Financial Officer, President & General Manager, JHI President, PIM, Senior Chief Revenue Officer & Data Analyst.