Wesley Healthcare Executive and Leadership Team

November, 2026

Leadership Overview

Wesley Healthcare has 4 executives leading key functions including strategy, operations, financial management, and administrative support.

Committed to delivering high-quality acute care, Wesley Healthcare maintains a robust network of diagnostic and treatment services across Kansas and northern Oklahoma to improve patient outcomes.

Leadership Roles at Wesley Healthcare

  • President & Chief Executive Officer - Mark Mains
  • Chief Financial Officer - Susan Kensill
  • Chief Operating Officer - Sam Serrill
  • Payroll Coordinator & Vice Administrative Assistant, To President Human Resources - Dana Hase
  • Mark Mains - President & Chief Executive Officer

    Mark Mains, the President & Chief Executive Officer at Wesley Healthcare, directs the overarching strategic vision for the entire acute care hospital network. Overseeing the integration of Galichia Heart Hospital and the Pediatric Center of Kansas, the President & Chief Executive Officer ensures consistent clinical excellence across all regional facilities. This leadership role involves constant collaboration with the Board to expand diagnostic capabilities throughout Kansas and northern Oklahoma. By prioritizing patient-centered care models, Mark Mains drives the organization toward sustainable growth and operational efficiency. The President & Chief Executive Officer manages high-level stakeholder relationships while maintaining the standard of medical service established in 1912. Through rigorous oversight of hospital performance metrics, Mains secures the long-term viability of the network. This executive leadership guarantees that the mission of providing comprehensive treatment remains the primary focus of every facility within the broader healthcare system.
    Mark Mains

    Susan Kensill - Chief Financial Officer

    Susan Kensill, the Chief Financial Officer at Wesley Healthcare, governs the fiscal health and capital allocation strategies for the entire hospital network. Overseeing the budgeting process for Galichia Heart Hospital and the Pediatric Center of Kansas, the Chief Financial Officer ensures that financial resources support critical diagnostic and treatment investments. This role involves managing complex revenue cycles and maintaining the economic stability of the organization across Kansas and northern Oklahoma. Susan Kensill evaluates investment opportunities in medical technology to improve patient care outcomes while controlling operational costs. By providing detailed financial analysis to the executive team, the Chief Financial Officer facilitates informed decision-making regarding facility expansion and service line development. This leadership function requires strict adherence to regulatory compliance and financial reporting standards. Through prudent fiscal management, Kensill secures the necessary funding to sustain the long-term mission of the healthcare network.

    Sam Serrill - Chief Operating Officer

    Sam Serrill, the Chief Operating Officer at Wesley Healthcare, manages the daily clinical and administrative workflows across the hospital network. Overseeing the operational efficiency of WesleyCare Clinics, the Chief Operating Officer optimizes resource allocation to support high-volume patient intake. This role requires constant coordination with department heads to streamline diagnostic service delivery throughout the Kansas and northern Oklahoma regions. Sam Serrill implements standardized protocols that enhance facility safety and patient throughput. By monitoring operational data, the Chief Operating Officer identifies bottlenecks in treatment delivery and executes corrective strategies to maintain service quality. This leadership position involves direct supervision of hospital infrastructure maintenance and supply chain logistics. Through the application of lean management principles, Serrill ensures that every clinical unit functions at peak capacity. The Chief Operating Officer maintains alignment between facility-level operations and the broader organizational goals of the network.

    Dana Hase - Payroll Coordinator & Vice Administrative Assistant, To President Human Resources

    Dana Hase, the Payroll Coordinator & Vice Administrative Assistant, To President Human Resources at Wesley Healthcare, manages the critical administrative functions supporting the human resources department. Overseeing the accuracy of compensation systems for the entire hospital network, the Payroll Coordinator & Vice Administrative Assistant, To President Human Resources ensures that all staff members receive timely and precise remuneration. This role involves coordinating complex scheduling and documentation for the executive leadership team, specifically assisting the President of Human Resources with organizational initiatives. Dana Hase maintains the integrity of personnel records and facilitates communication between departments to ensure smooth administrative operations across Kansas and northern Oklahoma. By streamlining payroll workflows, the Payroll Coordinator & Vice Administrative Assistant, To President Human Resources directly contributes to employee satisfaction and operational stability. This position requires meticulous attention to detail and constant interaction with various hospital units to resolve administrative discrepancies efficiently.

    Explore Leadership Teams in Hospitals & Physicians Clinics

    Frequently Asked Questions Regarding Wesley Healthcare Top Executives and Leadership Team

    Who leads Wesley Healthcare?
    Wesley Healthcare is led by Mark Mains (President & Chief Executive Officer), along with executives such as Susan Kensill (Chief Financial Officer) and Sam Serrill (Chief Operating Officer).
    Who is part of Wesley Healthcare’s executive team?
    The executive team of Wesley Healthcare includes leaders such as Mark Mains (President & Chief Executive Officer), Susan Kensill (Chief Financial Officer), Sam Serrill (Chief Operating Officer) and other senior executives.
    How many executives does Wesley Healthcare have?
    Wesley Healthcare has 4 executives leading key business areas.
    What roles are included in Wesley Healthcare’s leadership team?
    The leadership team of Wesley Healthcare includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Payroll Coordinator & Vice Administrative Assistant, To President Human Resources.