OhioGuidestone Executive and Leadership Team

October, 2026

Leadership Overview

OhioGuidestone has 6 executives leading key functions including strategy, financial oversight, operational management, human resources, and legal affairs.

Committed to holistic community wellness, OhioGuidestone delivers comprehensive behavioral health and social support services to empower individuals and families across the state of Ohio.

Leadership Roles at OhioGuidestone

  • President & Chief Executive Officer - Richard Frank
  • Chief Financial Officer - Mary Greulich
  • Chief Operating Officer & Executive Vice President - Kelly Triyono
  • Executive Vice President & Chief Operating Officer - Donna Keegan
  • Chief Human Resources Officer - Nikki Jablonski
  • Chief of Staff & Strategy Chief & Legal Officer - Mary Stiles
  • Richard Frank - President & Chief Executive Officer

    Richard Frank, the President & Chief Executive Officer at OhioGuidestone, directs the overarching strategic vision for community-based behavioral health initiatives. Overseeing the entire organizational mission, the President & Chief Executive Officer ensures that all mental health and substance use treatment services align with the whole-person care model. This leadership role involves constant collaboration with the Board to expand the reach of residential treatment and home-based counseling programs throughout the state. By prioritizing person-centered prevention, Richard Frank drives the long-term sustainability of the organization. Frank maintains a focus on scaling telehealth capabilities to meet the evolving needs of families across Ohio. Through rigorous oversight of the broad continuum of care, the President & Chief Executive Officer secures the resources necessary to support individuals navigating life's most challenging moments while maintaining the highest standards of compassionate service delivery.

    Mary Greulich - Chief Financial Officer

    Mary Greulich, the Chief Financial Officer at OhioGuidestone, manages the fiscal health and resource allocation for all behavioral health and social service programs. Overseeing the financial planning and analysis departments, the Chief Financial Officer ensures that funding for foster care, juvenile justice support, and job training remains stable and transparent. This leadership role involves optimizing budget structures to support the expansion of in-person locations across the state. By implementing robust financial controls, Mary Greulich protects the long-term viability of the organization. Greulich works closely with the executive team to align capital investments with the strategic goals of the company. Through meticulous management of revenue cycles and grant funding, the Chief Financial Officer enables the delivery of high-quality, person-centered care. Greulich maintains a focus on fiscal efficiency to maximize the impact of every dollar spent on community-based health services.
    Mary Greulich

    Kelly Triyono - Chief Operating Officer & Executive Vice President

    Kelly Triyono, the Chief Operating Officer & Executive Vice President at OhioGuidestone, directs the internal scaling and daily execution of clinical service delivery. Overseeing the operational infrastructure, the Chief Operating Officer & Executive Vice President ensures that all mental health and substance use treatment programs function with maximum efficiency. This leadership role involves streamlining the delivery of home-based counseling and residential treatment services to improve patient outcomes. By refining operational workflows, Kelly Triyono enhances the capacity of the organization to serve diverse populations across Ohio. Triyono coordinates with department heads to integrate new telehealth technologies into existing service models. Through the management of daily operations, the Chief Operating Officer & Executive Vice President supports the broader mission of providing compassionate care. Triyono focuses on operational excellence to ensure that every community location meets the rigorous standards required for effective behavioral health support.

    Donna Keegan - Executive Vice President & Chief Operating Officer

    Donna Keegan, the Executive Vice President & Chief Operating Officer at OhioGuidestone, manages the supply chain logistics and facility management for the statewide network of care centers. Overseeing the physical assets and logistical support systems, the Executive Vice President & Chief Operating Officer ensures that all locations remain fully equipped to provide foster care and juvenile justice support. This leadership role involves coordinating the distribution of resources across the broad continuum of care to maintain service continuity. By optimizing facility utilization, Donna Keegan improves the accessibility of community-based health services. Keegan works to align logistical operations with the strategic growth objectives of the organization. Through the management of complex support systems, the Executive Vice President & Chief Operating Officer facilitates the delivery of essential social services. Keegan focuses on infrastructure stability to ensure that every facility provides a safe and effective environment for all clients.

    Nikki Jablonski - Chief Human Resources Officer

    Nikki Jablonski, the Chief Human Resources Officer at OhioGuidestone, directs the talent acquisition and workforce development strategies for the entire organization. Overseeing the recruitment of clinical staff and support personnel, the Chief Human Resources Officer ensures that the team possesses the expertise required to deliver high-quality behavioral health care. This leadership role involves fostering a culture of compassion and respect that aligns with the core mission of the company. By implementing comprehensive training programs, Nikki Jablonski supports the professional growth of employees dedicated to mental health and substance use treatment. Jablonski collaborates with the executive team to maintain high retention rates and employee engagement across all Ohio locations. Through the management of human capital, the Chief Human Resources Officer strengthens the organizational capacity to provide person-centered care. Jablonski focuses on building a resilient workforce capable of navigating the complexities of modern social services.
    Mary Stiles, the Chief of Staff & Strategy Chief & Legal Officer at OhioGuidestone, directs the legal compliance and strategic planning initiatives for the organization. Overseeing the legal department and strategic roadmap, the Chief of Staff & Strategy Chief & Legal Officer ensures that all programs adhere to regulatory standards while advancing the long-term goals of the company. This leadership role involves managing risk and providing counsel on the expansion of behavioral health services. By aligning legal frameworks with strategic objectives, Mary Stiles protects the integrity of the organization. Stiles works with the executive team to navigate the complexities of the healthcare landscape and ensure compliance across all service areas. Through the management of strategic partnerships and legal affairs, the Chief of Staff & Strategy Chief & Legal Officer supports the mission of providing compassionate care. Stiles focuses on governance and strategic alignment to drive the future success of the organization.

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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 Kelly Triyono (Chief Operating Officer & Executive Vice President).
    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), Kelly Triyono (Chief Operating Officer & Executive Vice President) and other senior executives.
    How many executives does OhioGuidestone have?
    OhioGuidestone has 6 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, Chief Operating Officer & Executive Vice President, Executive Vice President & Chief Operating Officer, Chief Human Resources Officer.