Tandem Diabetes Care Executive and Leadership Team

September, 2026

Leadership Overview

Tandem Diabetes Care has 5 executives leading key functions including strategy, financial oversight, and administrative operations.

Focused on advancing medical technology, Tandem Diabetes Care delivers innovative insulin delivery systems to improve lives globally. This mission drives the development of automated solutions for diabetes management.

Leadership Roles at Tandem Diabetes Care

  • President & Chief Executive Officer - Kim Blickenstaff
  • President & Chief Executive Officer - John Sheridan
  • Chief Financial Officer - John Cajigas
  • Executive Vice President & Chief Financial Officer - Leigh Vosseller
  • Executive Vice President & Chief Administrative Officer - Susan Morrison
  • Kim Blickenstaff - President & Chief Executive Officer

    Kim Blickenstaff, the President & Chief Executive Officer at Tandem Diabetes Care, directs the overarching corporate strategy for insulin delivery innovation. Blickenstaff architects the long-term vision for the t:slim X2 and Tandem Mobi platforms, ensuring alignment with global market needs. By overseeing the expansion of automated insulin delivery systems, the President & Chief Executive Officer secures a competitive position within the medical device industry. This leadership role involves constant collaboration with the Board to prioritize research and development investments. Kim Blickenstaff drives the organizational culture toward patient-centric design, ensuring that every technological advancement addresses the specific requirements of the diabetes community. Through rigorous oversight of product commercialization, the President & Chief Executive Officer maintains the company's trajectory as a leader in medical manufacturing. Blickenstaff ultimately ensures that the enterprise remains agile while scaling operations across international markets to support millions of users.

    John Sheridan - President & Chief Executive Officer

    John Sheridan, the President & Chief Executive Officer at Tandem Diabetes Care, manages the operational execution of the company's flagship insulin pump portfolio. Sheridan drives the integration of software and hardware components to optimize the user experience for people living with diabetes. By overseeing the manufacturing lifecycle of cartridges and infusion sets, the President & Chief Executive Officer ensures consistent quality and supply chain reliability. This leadership role requires constant coordination with engineering teams to refine automated insulin delivery algorithms. John Sheridan executes strategic initiatives that expand the reach of Tandem Mobi, focusing on accessibility and ease of use. Through the management of complex production workflows, the President & Chief Executive Officer supports the company's commitment to high-performance medical technology. Sheridan maintains a focus on operational excellence, ensuring that the business meets the evolving demands of the healthcare sector while sustaining growth across diverse geographic regions.
    John Sheridan

    John Cajigas - Chief Financial Officer

    John Cajigas, the Chief Financial Officer at Tandem Diabetes Care, directs the financial planning and analysis functions to support the company's medical technology development. Cajigas architects the capital allocation strategy, ensuring sufficient funding for the research and commercialization of insulin delivery systems. By overseeing the financial reporting processes, the Chief Financial Officer maintains transparency and fiscal discipline across all departments. This leadership role involves managing investor relations and communicating the company's value proposition to the broader market. John Cajigas drives the optimization of cost structures related to the production of cartridges and infusion sets. Through the implementation of robust financial controls, the Chief Financial Officer supports the long-term sustainability of the business model. Cajigas ensures that the organization remains well-positioned to navigate the complexities of the medical device industry, providing the necessary resources to fuel innovation and maintain a strong balance sheet during periods of rapid expansion.

    Leigh Vosseller - Executive Vice President & Chief Financial Officer

    Leigh Vosseller, the Executive Vice President & Chief Financial Officer at Tandem Diabetes Care, manages the global financial strategy and treasury operations. Vosseller drives the development of fiscal policies that support the commercialization of the t:slim X2 and other automated insulin delivery solutions. By overseeing the enterprise risk management framework, the Executive Vice President & Chief Financial Officer protects the company's assets while enabling growth in international markets. This leadership role requires close collaboration with the executive team to align financial performance with strategic business objectives. Leigh Vosseller executes complex financial modeling to evaluate the profitability of new product lines and single-use medical components. Through the management of tax, audit, and accounting functions, the Executive Vice President & Chief Financial Officer ensures compliance with regulatory standards. Vosseller provides the financial insights necessary to guide the company's investment in cutting-edge diabetes technology, ultimately securing the organization's financial health and market competitiveness.

    Susan Morrison - Executive Vice President & Chief Administrative Officer

    Susan Morrison, the Executive Vice President & Chief Administrative Officer at Tandem Diabetes Care, directs the internal infrastructure and organizational development initiatives. Morrison architects the administrative systems that support the company's mission to provide advanced insulin delivery technology. By overseeing human resources, legal affairs, and corporate governance, the Executive Vice President & Chief Administrative Officer ensures that the organization operates with efficiency and integrity. This leadership role involves fostering a culture of innovation that attracts top talent to the medical device sector. Susan Morrison drives the implementation of cross-functional processes that streamline the development and distribution of insulin pumps and infusion sets. Through the management of corporate facilities and internal communications, the Executive Vice President & Chief Administrative Officer maintains alignment across all business units. Morrison ensures that the company's administrative foundation remains robust, allowing the organization to scale effectively while delivering life-changing solutions to the global diabetes community.

    Explore Leadership Teams in Manufacturing

    Frequently Asked Questions Regarding Tandem Diabetes Care Top Executives and Leadership Team

    Who leads Tandem Diabetes Care?
    Tandem Diabetes Care is led by Kim Blickenstaff (President & Chief Executive Officer), along with executives such as John Sheridan (President & Chief Executive Officer) and John Cajigas (Chief Financial Officer).
    Who is part of Tandem Diabetes Care’s executive team?
    The executive team of Tandem Diabetes Care includes leaders such as Kim Blickenstaff (President & Chief Executive Officer), John Sheridan (President & Chief Executive Officer), John Cajigas (Chief Financial Officer) and other senior executives.
    How many executives does Tandem Diabetes Care have?
    Tandem Diabetes Care has 5 executives leading key business areas.
    What roles are included in Tandem Diabetes Care’s leadership team?
    The leadership team of Tandem Diabetes Care includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Executive Vice President & Chief Financial Officer, Executive Vice President & Chief Administrative Officer.