McKesson Executive and Leadership Team

September, 2026

Leadership Overview

McKesson has 10 executives leading key functions including strategy, infrastructure, human resources, and information technology.

Focused on advancing healthcare outcomes, McKesson delivers essential pharmaceutical distribution and medical technology solutions to health systems globally. This leadership team drives operational excellence across North American and international markets to improve patient care.

Leadership Roles at McKesson

  • Chief Executive Officer - Brian Tyler
  • Controller & Interim Chief Financial Officer, Medical Surgical - Keysha Tervalon
  • Chief of Staff - Michael Kosir
  • Global Chief Technology Officer & Vice President, Infrastructure & Strategic Architecture - Ron Dobes
  • Executive Vice President & Chief Human Resources Officer - LeAnn Smith
  • Senior Vice President and Chief Information Officer - Olivier Caruso
  • Vice President, Chief Information Officer - McKesson Health Systems and Sales Operations and Gov. Lead, NAPD Transformation Office - Tina Vaswani
  • Chief Of Staff - Ellery Fisher - Patrick Collin
  • Chief Information Officer, Strategy, Transformation Mergers & Acquisitions, Office of The, Medical Surgical - Sarah Gladke
  • Chief Information Officer, Technology Leadership - Shannon Bjerregaard
  • Brian Tyler - Chief Executive Officer

    Brian Tyler, the Chief Executive Officer at McKesson, directs the overarching corporate strategy for the entire pharmaceutical distribution and medical supply enterprise. Tyler oversees the four core business segments, ensuring alignment between oncology, multispecialty, and prescription technology solutions. By managing relationships with hospitals, pharmacies, and government facilities, the Chief Executive Officer maintains a robust market position across North America. This leadership role involves constant evaluation of healthcare technology trends to optimize supply chain efficiency. Brian Tyler drives long-term growth by prioritizing innovation in medical-surgical solutions and pharmaceutical logistics. Through rigorous oversight of global operations, the Chief Executive Officer ensures the organization meets complex regulatory standards while expanding service reach. Ultimately, Tyler secures the financial health of the corporation by fostering partnerships that enhance patient access to critical medications and medical supplies.
    Brian Tyler

    Keysha Tervalon - Controller & Interim Chief Financial Officer, Medical Surgical

    Keysha Tervalon, the Controller & Interim Chief Financial Officer, Medical Surgical at McKesson, manages the financial reporting and fiscal oversight for the medical-surgical solutions segment. Tervalon directs the budgeting, forecasting, and financial analysis processes that support the segment's operational goals. By ensuring accurate accounting practices, the Controller & Interim Chief Financial Officer, Medical Surgical provides the transparency necessary for strategic decision-making within the division. This role involves monitoring revenue streams from medical supply distribution to hospitals and health systems. Keysha Tervalon drives financial discipline by identifying cost-saving opportunities and optimizing resource allocation across the segment. Through rigorous internal controls, the Controller & Interim Chief Financial Officer, Medical Surgical maintains compliance with corporate and regulatory standards. Tervalon supports the broader financial health of the company by providing actionable insights that guide the expansion of medical-surgical services in the North American market.

    Michael Kosir - Chief of Staff

    Michael Kosir, the Chief of Staff at McKesson, coordinates executive priorities and facilitates communication across the leadership team to ensure operational cohesion. Kosir manages the flow of strategic initiatives, allowing the organization to execute complex pharmaceutical distribution projects with precision. By aligning departmental goals with the broader corporate mission, the Chief of Staff optimizes internal workflows and resource allocation. This role involves monitoring the progress of key transformation programs within the North American Pharmaceutical segment. Michael Kosir drives efficiency by streamlining decision-making processes and ensuring that executive directives reach all relevant business units. Through constant collaboration with senior leadership, the Chief of Staff maintains focus on high-priority healthcare technology solutions. Kosir supports the execution of long-term business objectives by managing cross-functional projects that enhance the overall impact of the company within the competitive medical supply landscape.

    Ron Dobes - Global Chief Technology Officer & Vice President, Infrastructure & Strategic Architecture

    Ron Dobes, the Global Chief Technology Officer & Vice President, Infrastructure & Strategic Architecture at McKesson, architects the digital foundation supporting global pharmaceutical and medical supply operations. Dobes oversees the design and implementation of scalable infrastructure that powers healthcare technology solutions across North America. By defining the strategic architecture, the Global Chief Technology Officer & Vice President, Infrastructure & Strategic Architecture ensures that data systems remain secure and highly available for hospitals and pharmacies. This role involves integrating advanced technology platforms to support the company's four core segments. Ron Dobes drives innovation by modernizing legacy systems and adopting cloud-based solutions that improve supply chain visibility. Through the management of complex technical roadmaps, the Global Chief Technology Officer & Vice President, Infrastructure & Strategic Architecture enables the organization to scale operations internationally. Dobes maintains a focus on technical excellence to support the delivery of critical medical supplies.

    LeAnn Smith - Executive Vice President & Chief Human Resources Officer

    LeAnn Smith, the Executive Vice President & Chief Human Resources Officer at McKesson, directs the talent strategy and organizational development initiatives that support the company's healthcare mission. Smith oversees workforce planning, leadership development, and employee engagement across all North American and international operations. By aligning human capital with the needs of the pharmaceutical distribution and medical-surgical segments, the Executive Vice President & Chief Human Resources Officer ensures the organization maintains a high-performing culture. This role involves implementing programs that attract and retain top talent in the competitive healthcare technology sector. LeAnn Smith drives organizational agility by fostering an environment of continuous learning and professional growth. Through the management of compensation, benefits, and diversity initiatives, the Executive Vice President & Chief Human Resources Officer supports the overall business strategy. Smith ensures that the workforce remains equipped to handle the evolving demands of hospitals, health systems, and pharmaceutical manufacturers.

    Olivier Caruso - Senior Vice President and Chief Information Officer

    Olivier Caruso, the Senior Vice President and Chief Information Officer at McKesson, manages the information technology landscape to enhance the delivery of pharmaceutical and medical-surgical solutions. Caruso oversees the integration of digital tools that support the company's four core segments, ensuring seamless data flow between manufacturers and healthcare providers. By directing IT operations, the Senior Vice President and Chief Information Officer enables the organization to leverage data analytics for improved supply chain performance. This role involves overseeing cybersecurity protocols and digital transformation projects that protect sensitive health information. Olivier Caruso drives operational efficiency by implementing robust software solutions that streamline prescription technology processes. Through collaboration with other C-suite leaders, the Senior Vice President and Chief Information Officer ensures that technology investments align with the company's long-term growth objectives. Caruso maintains a focus on delivering reliable, high-performance systems that support the critical needs of health systems across North America.

    Tina Vaswani - Vice President, Chief Information Officer - McKesson Health Systems and Sales Operations and Gov. Lead, NAPD Transformation Office

    Tina Vaswani, the Vice President, Chief Information Officer - McKesson Health Systems and Sales Operations and Gov. Lead, NAPD Transformation Office at McKesson, directs the technology strategy for health systems and sales operations. Vaswani oversees the digital transformation initiatives within the North American Pharmaceutical Distribution segment, ensuring that sales teams have the tools to serve government facilities and hospitals effectively. By managing the intersection of technology and sales operations, the Vice President, Chief Information Officer - McKesson Health Systems and Sales Operations and Gov. Lead, NAPD Transformation Office optimizes the customer experience. This role involves leading complex change management projects that modernize distribution workflows. Tina Vaswani drives efficiency by integrating advanced software solutions into the sales cycle. Through the leadership of the transformation office, the Vice President, Chief Information Officer - McKesson Health Systems and Sales Operations and Gov. Lead, NAPD Transformation Office ensures that the organization remains agile in a rapidly changing healthcare market.

    Patrick Collin - Chief Of Staff - Ellery Fisher

    Patrick Collin, the Chief Of Staff - Ellery Fisher at McKesson, coordinates the strategic priorities and operational activities within the designated leadership office. Collin facilitates communication and project management to ensure that the objectives of the office are met with precision. By managing the flow of information and key initiatives, the Chief Of Staff - Ellery Fisher supports the execution of pharmaceutical and medical supply strategies. This role involves aligning departmental efforts with the broader corporate mission to improve healthcare outcomes. Patrick Collin drives operational efficiency by streamlining administrative processes and fostering collaboration across teams. Through the oversight of critical projects, the Chief Of Staff - Ellery Fisher ensures that leadership remains focused on high-impact goals. Collin supports the organization by maintaining a clear line of sight on performance metrics and strategic milestones, ultimately contributing to the success of the company's diverse healthcare technology and distribution segments.

    Sarah Gladke - Chief Information Officer, Strategy, Transformation Mergers & Acquisitions, Office of The, Medical Surgical

    Sarah Gladke, the Chief Information Officer, Strategy, Transformation Mergers & Acquisitions, Office of The, Medical Surgical at McKesson, directs the technology integration for mergers and acquisitions within the medical-surgical segment. Gladke oversees the strategic transformation of IT systems to ensure seamless onboarding of new business units. By managing the technical aspects of acquisitions, the Chief Information Officer, Strategy, Transformation Mergers & Acquisitions, Office of The, Medical Surgical enables the company to scale its medical supply capabilities efficiently. This role involves aligning IT infrastructure with the long-term growth strategy of the medical-surgical division. Sarah Gladke drives innovation by implementing unified technology platforms that enhance operational synergy. Through the management of complex transformation projects, the Chief Information Officer, Strategy, Transformation Mergers & Acquisitions, Office of The, Medical Surgical ensures that the organization maintains a competitive edge. Gladke supports the company's mission by building a resilient and scalable digital environment for medical-surgical solutions.

    Shannon Bjerregaard - Chief Information Officer, Technology Leadership

    Shannon Bjerregaard, the Chief Information Officer, Technology Leadership at McKesson, directs the enterprise-wide technology strategy and fosters a culture of innovation across the organization. Bjerregaard oversees the development of advanced software solutions that support pharmaceutical distribution and healthcare technology services. By leading the technology leadership team, the Chief Information Officer, Technology Leadership ensures that the company remains at the forefront of digital health advancements. This role involves identifying emerging technologies that can improve supply chain efficiency and patient care outcomes. Shannon Bjerregaard drives excellence by mentoring technical talent and promoting best practices in software development and system architecture. Through the management of large-scale IT initiatives, the Chief Information Officer, Technology Leadership supports the company's four core segments in delivering high-quality services to hospitals and pharmacies. Bjerregaard maintains a focus on building robust, secure, and scalable systems that power the company's global operations.

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    Frequently Asked Questions Regarding McKesson Top Executives and Leadership Team

    Who leads McKesson?
    McKesson is led by Brian Tyler (Chief Executive Officer), along with executives such as Keysha Tervalon (Controller & Interim Chief Financial Officer, Medical Surgical) and Michael Kosir (Chief of Staff).
    Who is part of McKesson’s executive team?
    The executive team of McKesson includes leaders such as Brian Tyler (Chief Executive Officer), Keysha Tervalon (Controller & Interim Chief Financial Officer, Medical Surgical), Michael Kosir (Chief of Staff) and other senior executives.
    How many executives does McKesson have?
    McKesson has 10 executives leading key business areas.
    What roles are included in McKesson’s leadership team?
    The leadership team of McKesson includes roles such as Chief Executive Officer, Controller & Interim Chief Financial Officer, Medical Surgical, Chief of Staff, Global Chief Technology Officer & Vice President, Infrastructure & Strategic Architecture, Executive Vice President & Chief Human Resources Officer.