Hawaii Health Systems Corporation Executive and Leadership Team

September, 2026

Leadership Overview

Hawaii Health Systems Corporation has 10 executives leading key functions including strategy, regional operations, financial management, and clinical administration.

Committed to delivering high-quality care across the islands, Hawaii Health Systems Corporation maintains a robust network of nine facilities to ensure accessible healthcare services for all residents throughout the state.

Leadership Roles at Hawaii Health Systems Corporation

  • Chief Executive Officer - Derek Akiyoshi
  • Regional Chief Executive Officer - V. Lee
  • Regional Chief Executive Officer, Oahu - Sean Sanada
  • Chief Executive Officer, Kauai Region - Orianna Skomoroch
  • Chief Financial Officer - Edward Chu
  • Chief Operating Officer - Anne Lopez
  • Chief of Staff - Sylvia Sonnenschein
  • Vice Chief of Staff - Dennis Haack
  • Vice Chief of Staff - Lorene Siaw
  • Regional Chief Human Resources Officer - Cecilia Trujillo
  • Derek Akiyoshi - Chief Executive Officer

    Derek Akiyoshi, the Chief Executive Officer at Hawaii Health Systems Corporation, directs the overarching strategic vision for the entire nine-facility network. Akiyoshi manages the integration of clinical services across the East, West, Oahu, and Kauai regions to ensure consistent patient outcomes. By aligning administrative goals with the mission of providing accessible care, the Chief Executive Officer optimizes resource allocation across the state. This leadership role involves constant collaboration with regional boards to maintain operational excellence and financial sustainability. Derek Akiyoshi monitors performance metrics across all hospitals to drive improvements in healthcare delivery. Through rigorous oversight of the corporate structure, the Chief Executive Officer strengthens the organization's ability to serve diverse patient populations. Akiyoshi maintains a focus on long-term stability, ensuring that the healthcare infrastructure remains resilient against evolving market demands and public health requirements.
    Derek Akiyoshi

    V. Lee - Regional Chief Executive Officer

    V. Lee, the Regional Chief Executive Officer at Hawaii Health Systems Corporation, oversees the operational performance of specific regional hospital systems. Lee manages the daily clinical and administrative functions within these designated facilities to ensure compliance with state health standards. By coordinating with department heads, the Regional Chief Executive Officer improves patient flow and service efficiency across the assigned regional footprint. V. Lee drives initiatives that enhance the quality of care provided at facilities like Kona Community Hospital and Kohala Hospital. This leadership role requires balancing local community needs with the broader corporate objectives of the organization. Through the implementation of standardized protocols, Lee fosters a culture of safety and excellence. The Regional Chief Executive Officer monitors budgetary performance and staffing levels to maintain operational viability. V. Lee consistently evaluates service delivery models to adapt to the unique healthcare challenges present within the regional service areas.

    Sean Sanada - Regional Chief Executive Officer, Oahu

    Sean Sanada, the Regional Chief Executive Officer, Oahu at Hawaii Health Systems Corporation, directs all operations for Leahi Hospital and Maluhia. Sanada manages the specialized care environments within the Oahu region, focusing on long-term care and geriatric services. By streamlining administrative processes, the Regional Chief Executive Officer, Oahu ensures that these facilities meet the complex needs of the local patient population. Sean Sanada coordinates with clinical leadership to maintain high standards of medical care and facility safety. This role involves managing regional budgets and capital improvement projects to modernize infrastructure. Through strategic planning, the Regional Chief Executive Officer, Oahu aligns facility goals with the statewide mission of the corporation. Sanada monitors operational metrics to identify opportunities for efficiency gains. By fostering strong relationships with community stakeholders, the Regional Chief Executive Officer, Oahu secures the necessary support to sustain high-quality healthcare delivery across the Oahu region.

    Orianna Skomoroch - Chief Executive Officer, Kauai Region

    Orianna Skomoroch, the Chief Executive Officer, Kauai Region at Hawaii Health Systems Corporation, oversees the management of Kauai Veterans Memorial Hospital and Samuel Mahelona Memorial Hospital. Skomoroch directs the delivery of essential medical services to the Kauai community, ensuring that both facilities operate at peak efficiency. By implementing clinical best practices, the Chief Executive Officer, Kauai Region improves patient access to specialized care. Orianna Skomoroch manages the regional workforce and facility resources to support the broader organizational objectives. This leadership role involves navigating the unique logistical challenges of providing healthcare in a remote island setting. Through proactive engagement with medical staff, the Chief Executive Officer, Kauai Region maintains high standards of clinical excellence. Skomoroch monitors financial performance and operational throughput to ensure the long-term viability of the Kauai regional system. By prioritizing patient-centered care, the Chief Executive Officer, Kauai Region strengthens the health outcomes for the entire island population.

    Edward Chu - Chief Financial Officer

    Edward Chu, the Chief Financial Officer at Hawaii Health Systems Corporation, directs the financial strategy and fiscal health of the entire nine-facility network. Chu manages the budgeting, accounting, and revenue cycle processes to ensure the organization remains financially solvent. By analyzing fiscal data, the Chief Financial Officer identifies opportunities for cost reduction and revenue growth across all regional systems. Edward Chu oversees the allocation of capital for facility upgrades and medical equipment procurement. This leadership role involves reporting financial performance to the board and ensuring compliance with state and federal regulations. Through rigorous financial planning, the Chief Financial Officer supports the expansion of healthcare services throughout the state. Chu coordinates with regional leaders to align operational spending with corporate priorities. By maintaining transparent financial reporting, the Chief Financial Officer builds trust with stakeholders and ensures the long-term sustainability of the healthcare system.
    Edward Chu

    Anne Lopez - Chief Operating Officer

    Anne Lopez, the Chief Operating Officer at Hawaii Health Systems Corporation, directs the day-to-day operational activities across all nine facilities. Lopez manages the supply chain, facility maintenance, and administrative support services to ensure seamless hospital operations. By optimizing internal processes, the Chief Operating Officer improves the efficiency of clinical support functions. Anne Lopez coordinates with regional leadership to standardize operational protocols and enhance service delivery. This leadership role involves overseeing large-scale projects that impact the entire organization, such as facility renovations and technology implementations. Through the application of lean management principles, the Chief Operating Officer reduces waste and improves resource utilization. Lopez monitors key performance indicators to ensure that all facilities meet operational targets. By fostering collaboration between departments, the Chief Operating Officer ensures that the organization maintains a high level of readiness to meet the healthcare needs of the state.

    Sylvia Sonnenschein - Chief of Staff

    Sylvia Sonnenschein, the Chief of Staff at Hawaii Health Systems Corporation, directs the administrative coordination between the executive leadership team and the medical staff. Sonnenschein manages the communication flow and policy implementation to ensure alignment across all clinical departments. By facilitating meetings and strategic discussions, the Chief of Staff supports the decision-making process for the organization. Sylvia Sonnenschein oversees the credentialing and governance processes for medical professionals within the network. This leadership role involves resolving complex administrative issues and ensuring that clinical policies reflect the mission of the corporation. Through effective management of the executive office, the Chief of Staff enhances the productivity of the leadership team. Sonnenschein monitors the implementation of strategic initiatives to ensure that all departments remain focused on corporate goals. By maintaining clear lines of communication, the Chief of Staff fosters a collaborative environment that supports high-quality patient care.

    Dennis Haack - Vice Chief of Staff

    Dennis Haack, the Vice Chief of Staff at Hawaii Health Systems Corporation, directs specific clinical governance initiatives to support the medical staff. Haack manages the peer review processes and quality assurance programs to ensure that clinical standards remain high across the facilities. By assisting the Chief of Staff, the Vice Chief of Staff helps coordinate medical department activities and policy development. Dennis Haack focuses on improving physician engagement and retention through structured professional development programs. This leadership role involves addressing clinical concerns and facilitating communication between the medical staff and hospital administration. Through the oversight of clinical committees, the Vice Chief of Staff ensures that medical practices align with the latest healthcare standards. Haack monitors clinical performance data to identify areas for improvement in patient care. By providing support to the medical leadership, the Vice Chief of Staff contributes to the overall operational success of the organization.

    Lorene Siaw - Vice Chief of Staff

    Lorene Siaw, the Vice Chief of Staff at Hawaii Health Systems Corporation, directs the integration of clinical safety protocols across the regional hospital systems. Siaw manages the medical staff bylaws and compliance requirements to ensure that all practitioners adhere to organizational policies. By collaborating with the Chief of Staff, the Vice Chief of Staff streamlines the administrative functions of the medical departments. Lorene Siaw focuses on enhancing the efficiency of clinical workflows to reduce patient wait times and improve service quality. This leadership role involves participating in strategic planning sessions to address the evolving needs of the medical staff. Through the management of clinical documentation standards, the Vice Chief of Staff ensures accurate and timely reporting. Siaw monitors the effectiveness of medical staff committees to drive continuous improvement. By supporting the clinical leadership team, the Vice Chief of Staff helps maintain a high standard of care throughout the network.

    Cecilia Trujillo - Regional Chief Human Resources Officer

    Cecilia Trujillo, the Regional Chief Human Resources Officer at Hawaii Health Systems Corporation, directs the talent management and workforce development strategies for the regional systems. Trujillo manages recruitment, employee relations, and benefits administration to ensure the organization attracts and retains top healthcare talent. By implementing comprehensive training programs, the Regional Chief Human Resources Officer improves staff competency and engagement. Cecilia Trujillo oversees the development of labor policies that support a positive and productive work environment across all nine facilities. This leadership role involves managing complex workforce challenges, including staffing shortages and labor negotiations. Through the alignment of human resources practices with corporate goals, the Regional Chief Human Resources Officer supports the overall mission of the organization. Trujillo monitors employee performance metrics to identify opportunities for professional growth. By fostering a culture of inclusivity and excellence, the Regional Chief Human Resources Officer strengthens the organization's human capital.

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    Frequently Asked Questions Regarding Hawaii Health Systems Corporation Top Executives and Leadership Team

    Who leads Hawaii Health Systems Corporation?
    Hawaii Health Systems Corporation is led by Derek Akiyoshi (Chief Executive Officer), along with executives such as V. Lee (Regional Chief Executive Officer) and Sean Sanada (Regional Chief Executive Officer, Oahu).
    Who is part of Hawaii Health Systems Corporation’s executive team?
    The executive team of Hawaii Health Systems Corporation includes leaders such as Derek Akiyoshi (Chief Executive Officer), V. Lee (Regional Chief Executive Officer), Sean Sanada (Regional Chief Executive Officer, Oahu) and other senior executives.
    How many executives does Hawaii Health Systems Corporation have?
    Hawaii Health Systems Corporation has 10 executives leading key business areas.
    What roles are included in Hawaii Health Systems Corporation’s leadership team?
    The leadership team of Hawaii Health Systems Corporation includes roles such as Chief Executive Officer, Regional Chief Executive Officer, Regional Chief Executive Officer, Oahu, Chief Executive Officer, Kauai Region, Chief Financial Officer.