Medica Executive and Leadership Team

June, 2026

Leadership Overview

Medica has 10 executives leading key functions including strategy, finance, operations, human resources, and market development.

Driven by a commitment to accessible healthcare, Medica focuses on providing comprehensive health insurance solutions across employer-provided, individual, and Medicare plans, impacting the well-being of communities nationwide.

Leadership Roles at Medica

  • Chief Executive Officer - Mark Carol
  • President & Chief Executive Officer - Eric Sivertson
  • President & Chief Executive Officer - Michael McGrath
  • Chief Financial Officer - Krista Dusil
  • Finance Chief Financial Officer & Vice President - Sharon Gazley
  • Market President. Wisconsin - Joshua Gustafson
  • Market President of MN, ND and SD - Andrew Marshall
  • Chief of Staff - Katherine Winter
  • Chief Information Officer - Keith Tanski
  • Chief People Officer - Lori Melander
  • Mark Carol - Chief Executive Officer

    Mark Carol, the Chief Executive Officer at Medica, directs the overarching strategic vision and operational execution for the non-profit health insurance provider. Carol's leadership ensures Medica's mission to offer robust employer-provided, individual, family, and Medicare health plans remains central to all business activities. This executive guides the company's response to evolving healthcare landscapes and regulatory environments, driving initiatives that enhance member access and affordability. Carol oversees the integration of various business units to foster cohesive service delivery and sustainable growth. The Chief Executive Officer's role involves critical decision-making regarding market expansion and product development, aligning Medica's offerings with community needs. Mark Carol's strategic direction solidifies Medica's position as a trusted health insurance partner.
    Mark Carol

    Eric Sivertson - President & Chief Executive Officer

    Eric Sivertson, the President & Chief Executive Officer at Medica, spearheads the strategic direction and operational management of the health insurance organization. Sivertson's executive purview encompasses driving innovation in health plan offerings, including employer-provided, individual, and Medicare solutions, to meet diverse member needs. This leadership role involves fostering strong relationships with healthcare providers and stakeholders to ensure seamless service delivery and network integrity. The President & Chief Executive Officer actively shapes Medica's long-term growth strategies, focusing on market penetration and member retention. Eric Sivertson's oversight extends to financial performance and regulatory compliance, ensuring the company operates with integrity and efficiency. Through dedicated leadership, Sivertson champions Medica's commitment to providing accessible and quality healthcare coverage.
    Eric Sivertson

    Michael McGrath - President & Chief Executive Officer

    Michael McGrath, the President & Chief Executive Officer at Medica, commands the strategic leadership and comprehensive operational framework of the health insurance entity. McGrath's executive responsibilities include guiding the development and delivery of diverse health plans, such as employer-sponsored, individual, and Medicare options, to serve a broad member base. This critical position involves cultivating strategic partnerships across the healthcare ecosystem to optimize member care pathways and service accessibility. The President & Chief Executive Officer drives Medica's vision for market leadership and sustainable expansion, emphasizing member satisfaction and financial prudence. Michael McGrath's influence extends to ensuring adherence to industry regulations and promoting a culture of continuous improvement. McGrath's leadership reinforces Medica's dedication to enhancing health outcomes and providing reliable insurance solutions.

    Krista Dusil - Chief Financial Officer

    Krista Dusil, the Chief Financial Officer at Medica, directs the company's financial strategy, planning, and reporting. Dusil oversees all fiscal operations, including budgeting, forecasting, and investment management, ensuring the financial health and stability of the non-profit health insurer. This executive role is pivotal in managing the financial aspects of Medica's diverse health plans, encompassing employer-provided, individual, and Medicare offerings. The Chief Financial Officer plays a key part in optimizing financial performance, managing risk, and ensuring compliance with all relevant financial regulations. Krista Dusil's leadership guides strategic financial decisions that support Medica's mission of providing accessible and affordable healthcare. Dusil's financial acumen is instrumental in driving sustainable growth and operational efficiency across the organization.
    Krista Dusil

    Sharon Gazley - Finance Chief Financial Officer & Vice President

    Sharon Gazley, the Finance Chief Financial Officer & Vice President at Medica, manages critical financial operations and contributes to the company's fiscal strategy. Gazley's responsibilities include overseeing financial reporting, accounting practices, and internal controls to ensure accuracy and compliance. This executive role supports the financial management of Medica's comprehensive health insurance products, including employer-provided, individual, and Medicare plans. The Finance Chief Financial Officer & Vice President plays a vital part in financial planning and analysis, providing insights to guide strategic decision-making. Sharon Gazley's financial expertise is essential for maintaining the fiscal integrity of the organization and supporting its mission of accessible healthcare. Gazley's contributions enhance Medica's ability to operate efficiently and effectively in the dynamic insurance market.

    Joshua Gustafson - Market President. Wisconsin

    Joshua Gustafson, the Market President. Wisconsin at Medica, leads the company's strategic initiatives and operational oversight within the Wisconsin market. Gustafson is responsible for driving business growth, expanding market share, and ensuring the successful delivery of Medica's health insurance products, including employer-provided, individual, and Medicare plans, to Wisconsin residents. This executive role involves cultivating strong relationships with local employers, healthcare providers, and community stakeholders to enhance Medica's presence and service offerings. The Market President. Wisconsin spearheads market-specific strategies that align with the company's overall mission of providing accessible and quality healthcare. Joshua Gustafson's leadership ensures that Medica effectively meets the unique healthcare needs of the Wisconsin population. Gustafson's focus on regional performance strengthens Medica's commitment to serving diverse communities.

    Andrew Marshall - Market President of MN, ND and SD

    Andrew Marshall, the Market President of MN, ND and SD at Medica, directs the strategic direction and operational execution for the Minnesota, North Dakota, and South Dakota markets. Marshall oversees the expansion and management of Medica's health insurance offerings, including employer-provided, individual, and Medicare plans, tailored to the specific needs of these regions. This executive role involves fostering key relationships with regional employers, healthcare networks, and community leaders to enhance Medica's service delivery and market penetration. The Market President of MN, ND and SD drives market-specific growth strategies and ensures operational excellence across the designated states. Andrew Marshall's leadership is pivotal in strengthening Medica's commitment to providing accessible and comprehensive healthcare solutions to members in these critical markets. Marshall's regional focus reinforces Medica's dedication to serving diverse populations effectively.

    Katherine Winter - Chief of Staff

    Katherine Winter, the Chief of Staff at Medica, provides critical strategic support and operational coordination across executive functions. Winter's role involves facilitating communication and alignment between the executive leadership team and various departments, ensuring strategic initiatives are effectively implemented. This position requires a deep understanding of Medica's operations, including its employer-provided, individual, and Medicare health plans, to drive efficiency and support decision-making. The Chief of Staff manages key projects and drives process improvements that enhance organizational effectiveness and member service. Katherine Winter's expertise is vital in streamlining operations and ensuring the executive team's priorities translate into tangible results. Winter's contributions are essential to maintaining Medica's focus on delivering accessible and quality healthcare solutions.

    Keith Tanski - Chief Information Officer

    Keith Tanski, the Chief Information Officer at Medica, leads the company's technology strategy and information systems infrastructure. Tanski is responsible for overseeing the development, implementation, and maintenance of all IT operations, ensuring robust and secure systems that support Medica's business objectives. This executive role is critical for managing the technology platforms that underpin the delivery of employer-provided, individual, and Medicare health plans. The Chief Information Officer drives digital transformation initiatives, enhancing operational efficiency and member experience through innovative technological solutions. Keith Tanski's expertise ensures that Medica's IT infrastructure is scalable, reliable, and aligned with industry best practices. Tanski's strategic vision for technology empowers Medica to adapt to the evolving healthcare landscape and maintain a competitive edge.
    Keith Tanski

    Lori Melander - Chief People Officer

    Lori Melander, the Chief People Officer at Medica, directs the human resources strategy and talent management initiatives for the organization. Melander oversees all aspects of employee relations, compensation, benefits, and organizational development, fostering a positive and productive work environment. This executive role is crucial for attracting, retaining, and developing the skilled workforce necessary to deliver Medica's health insurance solutions, including employer-provided, individual, and Medicare plans. The Chief People Officer champions initiatives that enhance employee engagement, promote diversity and inclusion, and align the workforce with Medica's strategic goals. Lori Melander's leadership ensures that Medica's people strategy supports the company's mission of providing accessible and quality healthcare. Melander's focus on talent development strengthens Medica's capacity to innovate and serve its members effectively.

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    Frequently Asked Questions Regarding Medica Top Executives and Leadership Team

    Who leads Medica?
    Medica is led by Mark Carol (Chief Executive Officer), along with executives such as Eric Sivertson (President & Chief Executive Officer) and Michael McGrath (President & Chief Executive Officer).
    Who is part of Medica’s executive team?
    The executive team of Medica includes leaders such as Mark Carol (Chief Executive Officer), Eric Sivertson (President & Chief Executive Officer), Michael McGrath (President & Chief Executive Officer) and other senior executives.
    How many executives does Medica have?
    Medica has 10 executives leading key business areas.
    What roles are included in Medica’s leadership team?
    The leadership team of Medica includes roles such as Chief Executive Officer, President & Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Finance Chief Financial Officer & Vice President.