PMHCC Executive and Leadership Team

May, 2026

Leadership Overview

PMHCC has 6 executives leading key functions including finance, information technology, human resources, administration, and executive leadership.

Driven by a commitment to public service, PMHCC focuses on creating a unified system for behavioral health, intellectual disability, substance use, housing, public health, and human services, enhancing healthcare access across Philadelphia.

Leadership Roles at PMHCC

  • Chief Financial Officer - Shannon Thompson
  • President - David Dinich
  • Chief Information Officer - David Silver
  • Chief Human Resources Officer - Rachel Holmes-Pittman
  • Chief Human Resources Officer - Sylvia Cleveland-Jackson
  • Chief Administrative Officer - Kimberlee Nilsen
  • Shannon Thompson - Chief Financial Officer

    Shannon Thompson, the Chief Financial Officer at PMHCC, directs all financial operations and fiscal strategy for the not-for-profit organization. Thompson oversees budgeting, financial planning, and resource allocation, ensuring fiscal responsibility across all administrative services provided to Philadelphia city offices and human services programs. This leadership role involves managing financial reporting, compliance with regulatory standards, and optimizing financial performance to support PMHCC's mission of delivering affordable housing and effective case management. By maintaining robust financial controls, Shannon Thompson directly contributes to the sustainability and expansion of public behavioral health programs and initiatives like the Community Testing Program. The Chief Financial Officer's oversight extends to investment strategies and risk management, safeguarding the organization's assets and ensuring long-term operational viability.

    David Dinich - President

    David Dinich, the President at PMHCC, provides executive leadership and strategic direction for the not-for-profit organization. Dinich guides PMHCC's mission to create a unified system for behavioral health, intellectual disability, substance use, housing, public health, and human services, driving initiatives that enhance healthcare access and case management in Philadelphia. This top leadership role involves fostering strong relationships with city officials, community partners, and stakeholders to advance the organization's goals. By championing innovation and operational excellence, David Dinich ensures PMHCC effectively supports various city departments and public behavioral health programs. The President's oversight extends to strategic planning, organizational development, and ensuring the long-term sustainability of PMHCC's critical services, including affordable housing initiatives. Dinich's vision and leadership are instrumental in maintaining PMHCC's position as a major human services systems management company.

    David Silver - Chief Information Officer

    David Silver, the Chief Information Officer at PMHCC, architects and executes the organization's technology strategy, ensuring robust and secure information systems. Silver oversees all IT infrastructure, data management, and digital transformation initiatives that support PMHCC's administrative services for behavioral health, intellectual disability, substance use, housing, public health, and human services programs. This critical role involves implementing innovative technological solutions to enhance case management efficiency and healthcare access in Philadelphia. By driving advancements in IT security and data analytics, David Silver ensures the integrity and confidentiality of sensitive information. The Chief Information Officer's responsibilities include managing IT budgets, vendor relationships, and leading the IT department to align technology with the organization's overarching mission of creating a unified human services system. Silver's strategic vision empowers PMHCC to leverage technology for improved service delivery and operational excellence.

    Rachel Holmes-Pittman - Chief Human Resources Officer

    Rachel Holmes-Pittman, the Chief Human Resources Officer at PMHCC, leads all human capital management strategies and operations. Holmes-Pittman oversees talent acquisition, employee relations, compensation and benefits, and professional development programs designed to support the organization's mission. This executive function is vital for cultivating a skilled and dedicated workforce that delivers essential administrative services to Philadelphia city offices and human services programs. By fostering a positive and productive work environment, Rachel Holmes-Pittman ensures that PMHCC attracts and retains top talent committed to public behavioral health and human services. The Chief Human Resources Officer's strategic initiatives focus on aligning HR policies with organizational goals, promoting diversity and inclusion, and ensuring compliance with labor laws. Holmes-Pittman's leadership strengthens the human infrastructure necessary for PMHCC's continued success in providing comprehensive support services.

    Sylvia Cleveland-Jackson - Chief Human Resources Officer

    Sylvia Cleveland-Jackson, the Chief Human Resources Officer at PMHCC, directs strategic human resources initiatives focused on organizational development and employee engagement. Cleveland-Jackson manages key aspects of workforce planning, performance management, and the implementation of HR policies that support PMHCC's commitment to behavioral health, intellectual disability, substance use, housing, public health, and human services. This leadership position is crucial for building a resilient and high-performing team dedicated to serving the Philadelphia community. By championing employee well-being and professional growth, Sylvia Cleveland-Jackson enhances the capacity of PMHCC to deliver effective case management and affordable housing solutions. The Chief Human Resources Officer's role involves fostering a culture of collaboration and continuous improvement, ensuring that HR practices directly contribute to the organization's operational effectiveness and its goal of creating a unified human services system. Cleveland-Jackson's expertise strengthens the employee experience and organizational capacity.

    Kimberlee Nilsen - Chief Administrative Officer

    Kimberlee Nilsen, the Chief Administrative Officer at PMHCC, oversees the operational efficiency and administrative functions supporting the organization's diverse human services programs. Nilsen directs the management of facilities, procurement, and general administrative operations, ensuring seamless support for services related to behavioral health, intellectual disability, substance use, housing, public health, and human services in Philadelphia. This role is pivotal in optimizing resource utilization and streamlining processes to enhance the delivery of affordable housing and effective case management. By ensuring the smooth functioning of daily operations, Kimberlee Nilsen directly contributes to PMHCC's ability to manage complex city programs and initiatives like the Community Testing Program. The Chief Administrative Officer's focus on operational excellence underpins the organization's capacity to provide vital support to city departments and maintain its commitment to public behavioral health. Nilsen's leadership ensures that administrative infrastructure effectively supports PMHCC's mission.

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    Frequently Asked Questions Regarding PMHCC Top Executives and Leadership Team

    Who leads PMHCC?
    PMHCC is led by Shannon Thompson (Chief Financial Officer), along with executives such as David Dinich (President) and David Silver (Chief Information Officer).
    Who is part of PMHCC’s executive team?
    The executive team of PMHCC includes leaders such as Shannon Thompson (Chief Financial Officer), David Dinich (President), David Silver (Chief Information Officer) and other senior executives.
    How many executives does PMHCC have?
    PMHCC has 6 executives leading key business areas.
    What roles are included in PMHCC’s leadership team?
    The leadership team of PMHCC includes roles such as Chief Financial Officer, President, Chief Information Officer, Chief Human Resources Officer, Chief Human Resources Officer.