Asante Executive and Leadership Team

July, 2026

Leadership Overview

Asante has 8 executives leading key functions including strategy, medical operations, finance, information technology, human resources, and overall operations.

Driven by a commitment to community health, Asante provides comprehensive medical care across Southern Oregon and Northern California, focusing on accessible, high-quality healthcare services.

Leadership Roles at Asante

  • President & Chief Executive Officer - Thomas Gessel
  • Senior Vice President & Chief Financial Officer - Heather Rowenhorst
  • Medical Director & Chief of Staff - Daniel Moline
  • Medical Director & Chief of Staff - Jonathan Gell
  • Senior Vice President and Chief Information Officer - David Kinyon
  • Senior Vice President Chief Human Resources Officer - Margaret Luna
  • Chief Operations Officer - Wilson Wizimane
  • Chief Medical Officer - Jamie Grebosky
  • Thomas Gessel - President & Chief Executive Officer

    Thomas Gessel, the President & Chief Executive Officer at Asante, directs the organization's strategic vision and operational execution across its comprehensive medical care network. Gessel oversees the integration of Asante Ashland Community Hospital, Asante Physician Partners, Asante Rogue Regional Medical Center, and Asante Three Rivers Medical Center, ensuring cohesive service delivery throughout the nine-county region of Southern Oregon and Northern California. This leadership role involves fostering strong governance relationships with the community-owned board and driving initiatives that enhance patient outcomes and organizational sustainability. By aligning departmental objectives with the not-for-profit mission, Thomas Gessel champions the delivery of accessible, high-quality healthcare, solidifying Asante's position as a vital regional health provider. The executive's focus remains on expanding service lines and optimizing resource allocation to meet evolving community health needs.
    Thomas Gessel

    Heather Rowenhorst - Senior Vice President & Chief Financial Officer

    Heather Rowenhorst, the Senior Vice President & Chief Financial Officer at Asante, manages the organization's financial health and strategic fiscal planning. Rowenhorst oversees all financial operations, including budgeting, revenue cycle management, and capital allocation for Asante's extensive network of hospitals and clinics across Southern Oregon and Northern California. This critical position involves ensuring financial stability and driving initiatives that support the not-for-profit mission of providing comprehensive medical care. By analyzing financial performance and identifying opportunities for efficiency, Heather Rowenhorst safeguards the organization's resources. The executive's responsibilities include developing long-term financial strategies that enable continued investment in patient care services and infrastructure. Rowenhorst's financial acumen is essential for sustaining Asante's commitment to the communities it serves.

    Daniel Moline - Medical Director & Chief of Staff

    Daniel Moline, the Medical Director & Chief of Staff at Asante, provides critical clinical leadership and strategic direction for medical operations. Moline ensures the highest standards of patient care are maintained across Asante's facilities, including Asante Rogue Regional Medical Center and Asante Three Rivers Medical Center. This role involves close collaboration with hospital administration and physician partners to implement evidence-based medical practices and enhance clinical workflows. By guiding the medical staff, Daniel Moline supports the development of specialized services and the adoption of innovative treatment protocols. The executive's oversight extends to quality improvement initiatives and patient safety programs, directly impacting the effectiveness of care delivered throughout Southern Oregon and Northern California. Moline's leadership ensures clinical excellence aligns with Asante's community-focused mission.

    Jonathan Gell - Medical Director & Chief of Staff

    Jonathan Gell, the Medical Director & Chief of Staff at Asante, spearheads clinical excellence and physician leadership across the organization's healthcare system. Gell directs medical staff activities, ensuring adherence to clinical best practices and patient safety protocols throughout Asante's facilities in Southern Oregon and Northern California. This leadership position involves fostering a collaborative environment between medical professionals and administrative teams to optimize patient care delivery. By guiding clinical strategy, Jonathan Gell supports the implementation of advanced medical technologies and treatment modalities. The executive's role is pivotal in maintaining the high quality of care that defines Asante's commitment to its communities. Gell's focus remains on enhancing clinical outcomes and ensuring the medical staff operates at peak performance.

    David Kinyon - Senior Vice President and Chief Information Officer

    David Kinyon, the Senior Vice President and Chief Information Officer at Asante, leads the strategic development and implementation of information technology across the organization. Kinyon oversees all aspects of Asante's IT infrastructure, ensuring robust systems support the delivery of comprehensive medical care throughout Southern Oregon and Northern California. This role involves driving digital transformation initiatives, enhancing cybersecurity measures, and optimizing electronic health record systems to improve patient care and operational efficiency. By managing technology investments, David Kinyon ensures that Asante remains at the forefront of healthcare innovation. The executive's responsibilities include aligning IT strategies with the organization's not-for-profit mission and expanding access to care through digital platforms. Kinyon's leadership ensures technology effectively serves Asante's patient and provider needs.

    Margaret Luna - Senior Vice President Chief Human Resources Officer

    Margaret Luna, the Senior Vice President Chief Human Resources Officer at Asante, directs all human capital strategies and initiatives for the organization. Luna oversees workforce planning, talent acquisition, employee relations, and compensation and benefits programs for Asante's extensive team across Southern Oregon and Northern California. This leadership role is crucial for cultivating a supportive and high-performing work environment that aligns with Asante's mission of providing comprehensive medical care. By developing robust HR policies and programs, Margaret Luna ensures the organization attracts and retains top talent. The executive's focus includes fostering a culture of engagement, diversity, and professional development, essential for maintaining high standards of patient care. Luna's strategic HR leadership underpins Asante's operational success and community commitment.

    Wilson Wizimane - Chief Operations Officer

    Wilson Wizimane, the Chief Operations Officer at Asante, oversees the day-to-day operational management of the organization's healthcare facilities and services. Wizimane directs operational efficiency and service delivery across Asante's network, including Asante Ashland Community Hospital and Asante Rogue Regional Medical Center, ensuring seamless patient care throughout Southern Oregon and Northern California. This executive role involves optimizing resource utilization, streamlining workflows, and implementing best practices to enhance operational performance. By managing key operational functions, Wilson Wizimane supports the organization's strategic goals and its commitment to providing accessible, high-quality medical care. The executive's focus is on driving operational excellence and ensuring that all facilities function effectively to meet community health needs.

    Jamie Grebosky - Chief Medical Officer

    Jamie Grebosky, the Chief Medical Officer at Asante, provides executive-level clinical leadership and strategic oversight for medical quality and patient safety initiatives. Grebosky ensures that clinical practices across Asante's hospitals and physician practices in Southern Oregon and Northern California adhere to the highest standards of care. This role involves collaborating with medical staff and leadership to drive improvements in clinical outcomes, patient experience, and operational efficiency. By championing evidence-based medicine and innovative healthcare delivery models, Jamie Grebosky supports Asante's not-for-profit mission. The executive's responsibilities include developing and implementing clinical policies that enhance patient care and support the professional development of clinicians. Grebosky's leadership is vital for maintaining Asante's reputation for excellence in healthcare.

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    Frequently Asked Questions Regarding Asante Top Executives and Leadership Team

    Who leads Asante?
    Asante is led by Thomas Gessel (President & Chief Executive Officer), along with executives such as Heather Rowenhorst (Senior Vice President & Chief Financial Officer) and Daniel Moline (Medical Director & Chief of Staff).
    Who is part of Asante’s executive team?
    The executive team of Asante includes leaders such as Thomas Gessel (President & Chief Executive Officer), Heather Rowenhorst (Senior Vice President & Chief Financial Officer), Daniel Moline (Medical Director & Chief of Staff) and other senior executives.
    How many executives does Asante have?
    Asante has 8 executives leading key business areas.
    What roles are included in Asante’s leadership team?
    The leadership team of Asante includes roles such as President & Chief Executive Officer, Senior Vice President & Chief Financial Officer, Medical Director & Chief of Staff, Medical Director & Chief of Staff, Senior Vice President and Chief Information Officer.