OhioGuidestone Executive and Leadership Team

June, 2026

Leadership Overview

OhioGuidestone has 4 executives leading key functions including strategy, finance, operations, and executive leadership.

Dedicated to supporting individuals and families through life's challenges, OhioGuidestone provides comprehensive behavioral health care across Ohio, fostering resilience and well-being with a compassionate, whole-person approach.

Leadership Roles at OhioGuidestone

  • President & Chief Executive Officer - Richard Frank
  • Chief Financial Officer - Mary Greulich
  • Executive Vice President & Chief Operating Officer - Donna Keegan
  • Strategy Chief & Legal Officer & Chief of Staff - Mary Stiles
  • Richard Frank - President & Chief Executive Officer

    Richard Frank, the President & Chief Executive Officer at OhioGuidestone, directs the organization's overarching strategy and operational execution. Frank guides the comprehensive delivery of community-based behavioral health care, ensuring services align with the company's mission to support individuals and families through challenging life moments. This leadership role involves setting the strategic vision for prevention, mental health, and substance use treatment services delivered across telehealth and in-person locations throughout Ohio. Frank oversees the integration of a broad continuum of care, encompassing mental health and substance use disorder services, family and foster care programs, juvenile justice support, and residential treatment. The President & Chief Executive Officer ensures that OhioGuidestone maintains its position as a leading provider by fostering innovation and upholding a person-centered approach. Richard Frank's executive oversight drives the organization's commitment to compassion and respect in all its endeavors.

    Mary Greulich - Chief Financial Officer

    Mary Greulich, the Chief Financial Officer at OhioGuidestone, manages all financial operations and fiscal strategy for the organization. Greulich ensures the financial health and sustainability of OhioGuidestone's extensive service offerings, which span prevention, mental health, and substance use treatment across the state. This critical role involves overseeing budgeting, financial planning, and resource allocation to support the delivery of person-centered care through both telehealth and in-person channels. The Chief Financial Officer plays a key part in managing the financial aspects of the organization's broad continuum of care, including family and foster care, juvenile justice support, and residential treatment services. Mary Greulich's financial acumen supports the organization's mission to compassionately assist individuals and families during difficult times. By maintaining robust financial controls and strategic fiscal management, Greulich enables OhioGuidestone to expand its reach and impact throughout Ohio.
    Mary Greulich

    Donna Keegan - Executive Vice President & Chief Operating Officer

    Donna Keegan, the Executive Vice President & Chief Operating Officer at OhioGuidestone, directs the day-to-day operational execution of the organization's extensive service network. Keegan oversees the seamless delivery of community-based behavioral health care, ensuring that prevention, mental health, and substance use treatment services are efficiently provided across telehealth and in-person locations throughout Ohio. This leadership position involves managing the operational integration of a broad continuum of care, including family and foster care, juvenile justice support, residential treatment, and home-based counseling. The Executive Vice President & Chief Operating Officer ensures that OhioGuidestone's main campus in Berea and its additional statewide locations function cohesively to serve communities effectively. Donna Keegan's operational leadership is vital to upholding the organization's commitment to compassion and respect for individuals and families navigating challenging life moments. By optimizing operational workflows, Keegan drives the organization's capacity to deliver person-centered services statewide.
    Mary Stiles, the Strategy Chief & Legal Officer & Chief of Staff at OhioGuidestone, spearheads strategic planning and oversees legal affairs for the organization. Stiles guides the development and implementation of strategic initiatives that enhance OhioGuidestone's capacity to deliver comprehensive behavioral health care across the state. This multifaceted role involves ensuring legal compliance and providing strategic counsel to support the organization's mission of assisting individuals and families through life's challenges. The Strategy Chief & Legal Officer & Chief of Staff also manages key internal operations and cross-departmental coordination, ensuring alignment with the company's person-centered approach to prevention, mental health, and substance use treatment services. Mary Stiles's strategic vision and legal expertise are crucial for navigating the complexities of the healthcare landscape and expanding the organization's reach through telehealth and in-person services. This leadership function ensures that OhioGuidestone operates effectively and ethically while advancing its commitment to compassion and respect.

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    Frequently Asked Questions Regarding OhioGuidestone Top Executives and Leadership Team

    Who leads OhioGuidestone?
    OhioGuidestone is led by Richard Frank (President & Chief Executive Officer), along with executives such as Mary Greulich (Chief Financial Officer) and Donna Keegan (Executive Vice President & Chief Operating Officer).
    Who is part of OhioGuidestone’s executive team?
    The executive team of OhioGuidestone includes leaders such as Richard Frank (President & Chief Executive Officer), Mary Greulich (Chief Financial Officer), Donna Keegan (Executive Vice President & Chief Operating Officer) and other senior executives.
    How many executives does OhioGuidestone have?
    OhioGuidestone has 4 executives leading key business areas.
    What roles are included in OhioGuidestone’s leadership team?
    The leadership team of OhioGuidestone includes roles such as President & Chief Executive Officer, Chief Financial Officer, Executive Vice President & Chief Operating Officer, Strategy Chief & Legal Officer & Chief of Staff.