Exelixis Executive and Leadership Team

June, 2026

Leadership Overview

Exelixis has 4 executives leading key functions including finance, clinical development, and operations.

Driven by a commitment to innovation, Exelixis focuses on discovering, developing, and commercializing new medicines for difficult-to-treat cancers, aiming to improve patient outcomes and expand treatment options globally.

Leadership Roles at Exelixis

  • Chief Financial Officer - Gregorina Parah
  • Executive Vice President & Chief Financial Officer - Christopher Senner
  • Senior Vice President, Chief of Staff - Craig Palmer
  • Head Chief Medical Officer, Clinical Development - Carol O'Hear
  • Gregorina Parah - Chief Financial Officer

    Gregorina Parah, the Chief Financial Officer at Exelixis, directs the company's financial strategy and operations. Overseeing all fiscal activities, Parah ensures robust financial planning, accurate reporting, and effective resource allocation to support Exelixis's mission of developing new medicines for difficult-to-treat cancers. This leadership position involves managing budgets, forecasting financial performance, and maintaining strong relationships with investors and financial institutions. Parah's oversight extends to optimizing financial structures to facilitate the discovery, development, and commercialization of innovative oncology treatments. The Chief Financial Officer's role is critical in driving the company's growth and ensuring its long-term financial health, directly impacting the ability to bring life-changing therapies to patients in the United States and beyond. Gregorina Parah's expertise underpins the company's capacity to fund its extensive research and development pipeline.

    Christopher Senner - Executive Vice President & Chief Financial Officer

    Christopher Senner, the Executive Vice President & Chief Financial Officer at Exelixis, guides the company's comprehensive financial management and strategic fiscal planning. Senner's responsibilities encompass overseeing all financial operations, including accounting, treasury, and investor relations, ensuring alignment with Exelixis's objective to develop and commercialize novel oncology treatments. This executive role involves managing capital allocation, driving financial performance, and supporting the company's growth initiatives in the United States. The Executive Vice President & Chief Financial Officer plays a pivotal part in securing the financial resources necessary for the discovery and development of new medicines for challenging cancers. Christopher Senner's leadership ensures the financial integrity and strategic direction required to advance Exelixis's pipeline and expand market access for its therapeutic offerings, contributing significantly to the company's overall mission.
    Christopher Senner

    Craig Palmer - Senior Vice President, Chief of Staff

    Craig Palmer, the Senior Vice President, Chief of Staff at Exelixis, provides strategic operational support and drives key initiatives across the organization. Palmer's role involves enhancing executive decision-making and ensuring efficient execution of company-wide strategies focused on the discovery, development, and commercialization of new oncology medicines. This leadership position facilitates cross-functional collaboration and streamlines operational processes to accelerate progress in bringing innovative treatments to patients. The Senior Vice President, Chief of Staff works closely with executive leadership to manage strategic projects and optimize resource deployment. Craig Palmer's contributions are essential in driving operational excellence and supporting the company's mission to address difficult-to-treat cancers, ensuring that Exelixis effectively advances its pipeline and market presence.

    Carol O'Hear - Head Chief Medical Officer, Clinical Development

    Carol O'Hear, the Head Chief Medical Officer, Clinical Development at Exelixis, directs the company's clinical research and development programs for novel oncology therapies. O'Hear leads the strategic design and execution of clinical trials, focusing on advancing Exelixis's pipeline of medicines for difficult-to-treat cancers. This critical role involves overseeing all phases of clinical development, ensuring patient safety, and generating robust data to support regulatory submissions and commercialization efforts in the United States. The Head Chief Medical Officer, Clinical Development collaborates closely with research, regulatory affairs, and commercial teams to translate scientific discoveries into effective patient treatments. Carol O'Hear's expertise is fundamental to Exelixis's mission of improving outcomes for cancer patients through innovative therapeutic solutions.

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    Frequently Asked Questions Regarding Exelixis Top Executives and Leadership Team

    Who leads Exelixis?
    Exelixis is led by Gregorina Parah (Chief Financial Officer), along with executives such as Christopher Senner (Executive Vice President & Chief Financial Officer) and Craig Palmer (Senior Vice President, Chief of Staff).
    Who is part of Exelixis’s executive team?
    The executive team of Exelixis includes leaders such as Gregorina Parah (Chief Financial Officer), Christopher Senner (Executive Vice President & Chief Financial Officer), Craig Palmer (Senior Vice President, Chief of Staff) and other senior executives.
    How many executives does Exelixis have?
    Exelixis has 4 executives leading key business areas.
    What roles are included in Exelixis’s leadership team?
    The leadership team of Exelixis includes roles such as Chief Financial Officer, Executive Vice President & Chief Financial Officer, Senior Vice President, Chief of Staff, Head Chief Medical Officer, Clinical Development.