Amgen Executive and Leadership Team

July, 2026

Leadership Overview

Amgen has 9 executives leading key functions including project management, finance, strategic planning, information technology, and people operations.

Driven by scientific discovery, Amgen is dedicated to advancing human health through innovative biotechnology, focusing on delivering life-changing therapies to patients worldwide.

Leadership Roles at Amgen

  • Executive VP & Chief Financial Officer - Peter Griffith
  • Chief Financial Officer (Argentina) - Marianela Capelli
  • Project Manager & Chief of Staff - Stoyan Mihnev
  • Director, Strategic Planning & Operations & To The Chief of Staff & Chief Information Officer - Katherine Rizos
  • Senior VP & Chief Information Officer - Scott Skellenger
  • Engineer (Chief People Officer - MS & T) - Raj Mistry
  • Manager, Combination Product Operations (Chief People Officer) - Valentina Guarino
  • Senior Engineer & Chief People Officer, Risk Engineering - Rene Marquina
  • Team Captain - Lisa Fries
  • Peter Griffith - Executive VP & Chief Financial Officer

    Peter Griffith, the Executive VP & Chief Financial Officer at Amgen, directs all financial operations and strategic financial planning. Griffith oversees global financial management, including accounting, treasury, tax, and investor relations, ensuring robust fiscal health and compliance. This executive role is pivotal in guiding Amgen's investment strategies, capital allocation, and long-term financial forecasting to support scientific innovation and market expansion. Griffith's leadership ensures that financial resources are optimized to advance Amgen's pipeline of novel therapies and maintain its position as a biotechnology leader. By providing critical financial insights, Peter Griffith enables informed decision-making across the organization, driving sustainable growth and shareholder value. The Chief Financial Officer's purview extends to managing financial risks and opportunities, safeguarding Amgen's financial integrity.
    Peter Griffith

    Marianela Capelli - Chief Financial Officer (Argentina)

    Marianela Capelli, the Chief Financial Officer (Argentina) at Amgen, manages financial operations and strategic planning within the Argentinian market. Capelli oversees all aspects of financial management, including budgeting, forecasting, accounting, and compliance, ensuring alignment with Amgen's global financial standards. This role is vital for supporting Amgen's regional business objectives and driving financial performance in Argentina. Marianela Capelli's expertise ensures that financial resources are effectively allocated to advance the company's mission of delivering innovative medicines. The Chief Financial Officer (Argentina) plays a key part in navigating local market dynamics and contributing to Amgen's overall growth strategy. Capelli's leadership ensures financial integrity and supports operational excellence within the region.

    Stoyan Mihnev - Project Manager & Chief of Staff

    Stoyan Mihnev, the Project Manager & Chief of Staff at Amgen, directs critical project initiatives and provides strategic operational support. Mihnev ensures seamless execution of key programs, aligning cross-functional teams to achieve Amgen's development and commercialization goals. This leadership position involves managing complex timelines, resource allocation, and stakeholder communication to drive project success. Overseeing the coordination between various departments, Mihnev facilitates efficient workflow and problem-solving. The role demands a keen understanding of Amgen's scientific pipeline and business objectives, ensuring projects contribute directly to the company's mission of delivering innovative medicines. Stoyan Mihnev's oversight guarantees that strategic plans are translated into actionable steps, fostering operational excellence across the organization.

    Katherine Rizos - Director, Strategic Planning & Operations & To The Chief of Staff & Chief Information Officer

    Katherine Rizos, the Director, Strategic Planning & Operations & To The Chief of Staff & Chief Information Officer at Amgen, orchestrates strategic initiatives and operational enhancements. Rizos supports the Chief of Staff and Chief Information Officer by driving planning processes and ensuring operational alignment across technology and business functions. This multifaceted role involves developing strategic roadmaps, managing operational workflows, and facilitating communication between IT and other departments to support Amgen's scientific and commercial objectives. Katherine Rizos's contributions are essential for translating strategic visions into executable operational plans, optimizing resource utilization and driving efficiency. The position demands a deep understanding of Amgen's business needs and technological capabilities, ensuring that strategic planning directly supports the company's mission to deliver groundbreaking medicines.
    Katherine Rizos

    Scott Skellenger - Senior VP & Chief Information Officer

    Scott Skellenger, the Senior VP & Chief Information Officer at Amgen, directs the company's global information technology strategy and operations. Skellenger oversees the development and implementation of technology solutions that support Amgen's research, development, manufacturing, and commercial activities. This critical leadership role ensures that Amgen leverages cutting-edge technology to accelerate scientific discovery, enhance operational efficiency, and maintain robust data security. Scott Skellenger's vision guides the digital transformation initiatives, enabling Amgen to innovate faster and deliver life-changing therapies to patients worldwide. The Chief Information Officer's responsibilities include managing IT infrastructure, cybersecurity, enterprise applications, and digital innovation, all crucial for Amgen's continued success in the biotechnology sector.
    Scott Skellenger

    Raj Mistry - Engineer (Chief People Officer - MS & T)

    Raj Mistry, the Engineer (Chief People Officer - MS & T) at Amgen, leads people strategies and engineering initiatives within the Manufacturing, Supply & Technology (MS&T) division. Mistry focuses on developing and implementing human capital strategies that support the operational excellence and innovation goals of Amgen's manufacturing and supply chain functions. This role integrates engineering principles with people management to foster a high-performing workforce. Raj Mistry's efforts are directed towards attracting, developing, and retaining talent critical for Amgen's complex manufacturing processes and technological advancements. The Chief People Officer - MS & T ensures that the workforce is equipped with the skills and support necessary to drive efficiency and quality in producing life-changing medicines.

    Valentina Guarino - Manager, Combination Product Operations (Chief People Officer)

    Valentina Guarino, the Manager, Combination Product Operations (Chief People Officer) at Amgen, leads people operations and strategic initiatives within combination product development and manufacturing. Guarino focuses on cultivating a robust talent pipeline and fostering an environment that supports innovation and operational excellence in this specialized area. This dual role integrates operational management with human resources strategy, ensuring that teams are empowered to develop and deliver advanced combination therapies. Valentina Guarino's leadership is instrumental in aligning people strategies with the complex demands of combination product operations, supporting Amgen's mission to provide comprehensive treatment solutions. The Chief People Officer aspect of the role ensures employee engagement and development are prioritized.

    Rene Marquina - Senior Engineer & Chief People Officer, Risk Engineering

    Rene Marquina, the Senior Engineer & Chief People Officer, Risk Engineering at Amgen, bridges technical expertise with human capital strategy in risk engineering. Marquina oversees the development and implementation of people-focused initiatives that enhance risk assessment and mitigation capabilities across Amgen's operations. This unique position leverages engineering acumen to address talent needs and foster a culture of safety and compliance. Rene Marquina's leadership ensures that the risk engineering teams possess the necessary skills and resources to effectively manage potential risks, safeguarding Amgen's operations and product integrity. The Chief People Officer, Risk Engineering role is critical for building a resilient and highly skilled workforce dedicated to maintaining the highest standards.

    Lisa Fries - Team Captain

    Lisa Fries, the Team Captain at Amgen, leads and coordinates a specific team within the organization, ensuring operational efficiency and collaborative success. Fries directs team activities, manages workflow, and fosters a productive environment to achieve departmental objectives. This role is crucial for maintaining team cohesion and driving performance in alignment with Amgen's broader strategic goals. Lisa Fries's leadership ensures that the team effectively contributes to Amgen's mission of advancing human health through biotechnology. The Team Captain's responsibilities include motivating team members, facilitating communication, and overseeing the execution of assigned tasks to support the company's innovative endeavors.

    Explore Leadership Teams in Manufacturing

    Frequently Asked Questions Regarding Amgen Top Executives and Leadership Team

    Who leads Amgen?
    Amgen is led by Peter Griffith (Executive VP & Chief Financial Officer), along with executives such as Marianela Capelli (Chief Financial Officer (Argentina)) and Stoyan Mihnev (Project Manager & Chief of Staff).
    Who is part of Amgen’s executive team?
    The executive team of Amgen includes leaders such as Peter Griffith (Executive VP & Chief Financial Officer), Marianela Capelli (Chief Financial Officer (Argentina)), Stoyan Mihnev (Project Manager & Chief of Staff) and other senior executives.
    How many executives does Amgen have?
    Amgen has 9 executives leading key business areas.
    What roles are included in Amgen’s leadership team?
    The leadership team of Amgen includes roles such as Executive VP & Chief Financial Officer, Chief Financial Officer (Argentina), Project Manager & Chief of Staff, Director, Strategic Planning & Operations & To The Chief of Staff & Chief Information Officer, Senior VP & Chief Information Officer.