Tandem Diabetes Care Executive and Leadership Team

November, 2026

Leadership Overview

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

Focused on advancing medical technology for diabetes management, Tandem Diabetes Care delivers innovative insulin delivery systems to improve patient outcomes globally through precision engineering and user-centric design.

Leadership Roles at Tandem Diabetes Care

  • President & Chief Executive Officer - Kim Blickenstaff
  • Chief Financial Officer - John Cajigas
  • Executive Vice President & Chief Financial Officer - Leigh Vosseller
  • Chief Information Officer - Boris Stojnic
  • 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 and long-term vision for the organization. Overseeing the development and commercialization of advanced insulin delivery systems, the President & Chief Executive Officer ensures alignment between engineering innovation and market needs. This leadership role involves guiding the executive team toward achieving sustainable growth while maintaining a focus on the needs of people living with diabetes. By fostering a culture of continuous improvement, Kim Blickenstaff drives the company toward expanding its international footprint and enhancing the efficacy of the t:slim X2 and Tandem Mobi platforms. Through rigorous oversight of product development cycles and strategic partnerships, the President & Chief Executive Officer secures the competitive position of the firm within the medical device industry, ultimately delivering value to patients and stakeholders across diverse global markets.

    John Cajigas - Chief Financial Officer

    John Cajigas, the Chief Financial Officer at Tandem Diabetes Care, manages the fiscal health and capital allocation strategies required to support large-scale medical device manufacturing. Overseeing financial planning, reporting, and investor relations, the Chief Financial Officer ensures the company maintains the liquidity necessary for ongoing research and development of insulin pump technology. This leadership role involves analyzing market trends to optimize revenue streams from cartridges and infusion sets. By implementing robust financial controls, John Cajigas supports the operational scaling of the business across North American and international territories. The Chief Financial Officer collaborates with the executive board to evaluate investment opportunities that align with the core mission of improving diabetes care. Through disciplined management of assets and liabilities, Cajigas strengthens the balance sheet, providing the stability needed to navigate the complexities of the global healthcare market while driving long-term shareholder value.

    Leigh Vosseller - Executive Vice President & Chief Financial Officer

    Leigh Vosseller, the Executive Vice President & Chief Financial Officer at Tandem Diabetes Care, directs the strategic financial operations and corporate budgeting processes. Overseeing the financial modeling for new product launches, the Executive Vice President & Chief Financial Officer ensures that resource allocation matches the company's aggressive growth targets in the medical device sector. This leadership role involves managing complex tax, treasury, and accounting functions to maintain compliance and operational efficiency. By analyzing the profitability of single-use products like infusion sets, Leigh Vosseller optimizes the cost structure to maximize margins. The Executive Vice President & Chief Financial Officer works closely with the leadership team to forecast market demand and secure the capital required for international expansion. Through meticulous oversight of financial performance metrics, Vosseller provides the insights necessary for informed decision-making, ensuring the company remains well-positioned to deliver innovative diabetes technology to a growing global patient population.

    Boris Stojnic - Chief Information Officer

    Boris Stojnic, the Chief Information Officer at Tandem Diabetes Care, architects the digital infrastructure and data security frameworks essential for modern insulin delivery systems. Overseeing the integration of software solutions with hardware platforms, the Chief Information Officer ensures that connectivity features within the Tandem Mobi system remain secure and reliable for users. This leadership role involves managing the enterprise technology stack to support efficient manufacturing and supply chain operations. By leveraging data analytics, Boris Stojnic drives improvements in product performance and user experience across the global customer base. The Chief Information Officer coordinates with engineering teams to protect sensitive patient information while facilitating seamless digital interactions between devices and mobile applications. Through the implementation of scalable cloud solutions, Stojnic supports the rapid expansion of the company's digital health ecosystem, ensuring that technological advancements consistently meet the evolving demands of the diabetes community.

    Susan Morrison - Executive Vice President & Chief Administrative Officer

    Susan Morrison, the Executive Vice President & Chief Administrative Officer at Tandem Diabetes Care, manages the internal organizational structure and administrative functions that support the company's mission. Overseeing human resources, legal compliance, and corporate governance, the Executive Vice President & Chief Administrative Officer ensures that the workforce remains aligned with the strategic goals of the business. This leadership role involves streamlining internal processes to enhance operational efficiency across all departments. By fostering a collaborative environment, Susan Morrison drives the development of talent and leadership capabilities within the organization. The Executive Vice President & Chief Administrative Officer coordinates with other C-suite leaders to implement policies that support the manufacturing and commercialization of insulin pumps. Through the effective management of corporate infrastructure, Morrison ensures that the company maintains the agility required to respond to market changes, ultimately supporting the delivery of high-quality medical solutions to patients worldwide.

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    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 Cajigas (Chief Financial Officer) and Leigh Vosseller (Executive Vice President & 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 Cajigas (Chief Financial Officer), Leigh Vosseller (Executive Vice President & 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, Chief Financial Officer, Executive Vice President & Chief Financial Officer, Chief Information Officer, Executive Vice President & Chief Administrative Officer.