WellStreet Executive and Leadership Team

June, 2026

Leadership Overview

WellStreet has 4 executives leading key functions including strategy, finance, people operations, and growth.

Driven by a commitment to patient-centered care, WellStreet continues to evolve its network of urgent care centers, prioritizing best-in-class quality and experience across its expanding partnerships.

Leadership Roles at WellStreet

  • Chief Executive Officer - Lisa Mikkelsen
  • Chief Financial Officer - Thomas Simons
  • President & Chief Growth Officer - Lee Resnick
  • Chief People Officer - Michelle Ansley
  • Lisa Mikkelsen - Chief Executive Officer

    Lisa Mikkelsen, the Chief Executive Officer at WellStreet, directs the overarching strategy and operational framework for the company's urgent care network. Overseeing expansion initiatives, the Chief Executive Officer ensures alignment with WellStreet's mission of delivering high-quality patient care across its growing partnerships with healthcare systems like Piedmont Healthcare, Corewell Health, University Hospitals, and Prisma Health. This leadership role involves guiding the organization through evolving market demands and maintaining a steadfast commitment to patient experience. By fostering a culture of excellence, Lisa Mikkelsen drives the company's vision for accessible and superior urgent care services. The Chief Executive Officer's strategic direction is crucial for navigating the complexities of multi-state operations and solidifying WellStreet's position as a leader in the urgent care sector.
    Lisa Mikkelsen

    Thomas Simons - Chief Financial Officer

    Thomas Simons, the Chief Financial Officer at WellStreet, manages all financial operations and fiscal strategy for the urgent care network. Overseeing budgeting, forecasting, and financial reporting, the Chief Financial Officer ensures the fiscal health and sustainability of WellStreet's expanding operations across Georgia, Michigan, and other key regions. This critical role involves optimizing financial performance to support growth initiatives and partnership development with major healthcare providers. By implementing robust financial controls and driving efficiency, Thomas Simons directly contributes to the company's ability to invest in best-in-class patient care and infrastructure. The Chief Financial Officer's expertise is vital for navigating the financial intricacies of multi-site healthcare delivery and securing long-term financial stability for the organization.

    Lee Resnick - President & Chief Growth Officer

    Lee Resnick, the President & Chief Growth Officer at WellStreet, spearheads strategic initiatives focused on expanding the company's market presence and partnership network. Driving new business development and overseeing the deployment of urgent care centers, the President & Chief Growth Officer plays a pivotal role in WellStreet's ongoing evolution and success. This leadership position involves identifying and cultivating relationships with healthcare systems, such as Piedmont Healthcare and Corewell Health, to extend the reach of high-quality urgent care services. By focusing on scalable growth models and market penetration, Lee Resnick ensures WellStreet remains at the forefront of the industry. The President & Chief Growth Officer's vision is instrumental in translating strategic opportunities into tangible network expansion and enhanced patient access across multiple states.
    Lee Resnick

    Michelle Ansley - Chief People Officer

    Michelle Ansley, the Chief People Officer at WellStreet, leads human resources strategy and talent management across the organization's urgent care locations. Overseeing recruitment, employee development, and fostering a positive workplace culture, the Chief People Officer ensures that WellStreet's commitment to its teammates remains paramount. This role is essential for attracting and retaining the skilled professionals necessary to deliver exceptional patient care and support the company's rapid growth and partnership expansions. By championing employee engagement and well-being, Michelle Ansley cultivates an environment where leaders and frontline staff can thrive. The Chief People Officer's focus on people operations is fundamental to maintaining the high standards of quality and experience that define WellStreet's brand across its operational footprint.

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    Frequently Asked Questions Regarding WellStreet Top Executives and Leadership Team

    Who leads WellStreet?
    WellStreet is led by Lisa Mikkelsen (Chief Executive Officer), along with executives such as Thomas Simons (Chief Financial Officer) and Lee Resnick (President & Chief Growth Officer).
    Who is part of WellStreet’s executive team?
    The executive team of WellStreet includes leaders such as Lisa Mikkelsen (Chief Executive Officer), Thomas Simons (Chief Financial Officer), Lee Resnick (President & Chief Growth Officer) and other senior executives.
    How many executives does WellStreet have?
    WellStreet has 4 executives leading key business areas.
    What roles are included in WellStreet’s leadership team?
    The leadership team of WellStreet includes roles such as Chief Executive Officer, Chief Financial Officer, President & Chief Growth Officer, Chief People Officer.