Hawaii Health Systems Corporation Executive and Leadership Team

November, 2026

Leadership Overview

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

Committed to providing accessible healthcare across the islands, Hawaii Health Systems Corporation maintains a robust network of nine facilities dedicated to improving patient outcomes and community wellness.

Leadership Roles at Hawaii Health Systems Corporation

  • Chief Executive Officer - Derek Akiyoshi
  • Chief Executive Officer, Kauai Region - Orianna Skomoroch
  • Regional Chief Executive Officer, Oahu - Sean Sanada
  • Regional Chief Executive Officer - V. Lee
  • Chief Operating Officer - Anne Lopez
  • Chief of Staff - Sylvia Sonnenschein
  • Chief Human Resources Officer - Carmen Wagner
  • Regional Chief Human Resources Officer - Ryker Wada
  • Vice President & Chief Human Resources Officer - Juanita Lauti
  • Vice Chief of Staff - Lorene Siaw
  • 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 high-level organizational performance while ensuring that all regional systems align with state-mandated healthcare standards. By coordinating with the Board and regional leadership, the Chief Executive Officer drives initiatives to improve clinical efficiency and financial sustainability across the Pacific region. This leadership role involves balancing the complex needs of diverse medical centers, from acute care hospitals to long-term veteran facilities. Derek Akiyoshi maintains a focus on expanding service capacity to meet the growing demands of the local population. Through rigorous oversight of operational budgets and resource allocation, the Chief Executive Officer secures the long-term viability of the organization, ultimately fostering a culture of excellence and patient-centered care throughout the entire state-wide health system.
    Derek Akiyoshi

    Orianna Skomoroch - Chief Executive Officer, Kauai Region

    Orianna Skomoroch, the Chief Executive Officer, Kauai Region at Hawaii Health Systems Corporation, oversees the daily operations of Kauai Veterans Memorial Hospital and Samuel Mahelona Memorial Hospital. Skomoroch manages the delivery of essential medical services to the local community, ensuring that clinical protocols meet rigorous safety and quality benchmarks. By directing regional staff and coordinating with corporate leadership, the Chief Executive Officer, Kauai Region optimizes facility performance and resource utilization. This role requires constant attention to the unique healthcare challenges present in island-based medical environments. Orianna Skomoroch implements strategic improvements to patient care workflows, directly impacting the effectiveness of emergency and long-term care services. Through proactive management of regional assets and personnel, the Chief Executive Officer, Kauai Region maintains high standards of medical excellence, ensuring that the Kauai facilities remain reliable pillars of health for the surrounding population.

    Sean Sanada - Regional Chief Executive Officer, Oahu

    Sean Sanada, the Regional Chief Executive Officer, Oahu at Hawaii Health Systems Corporation, directs the operational activities of Leahi Hospital and Maluhia. Sanada manages the specialized care environments within these facilities, focusing on geriatric and long-term patient support. By aligning regional objectives with the broader corporate mission, the Regional Chief Executive Officer, Oahu ensures that clinical teams maintain high standards of compassionate care. This leadership position involves navigating complex regulatory landscapes while optimizing the use of medical resources to maximize patient outcomes. Sean Sanada coordinates with other regional leaders to share best practices and improve service delivery across the entire state network. Through the implementation of efficient administrative processes, the Regional Chief Executive Officer, Oahu strengthens the operational foundation of the Oahu facilities, ensuring that both hospitals continue to provide vital support to the local community and the broader healthcare ecosystem.

    V. Lee - Regional Chief Executive Officer

    V. Lee, the Regional Chief Executive Officer at Hawaii Health Systems Corporation, manages the strategic operations of specific regional systems within the broader network. Lee directs the administrative and clinical functions necessary to maintain high-quality patient care across assigned facilities. By overseeing regional performance metrics, the Regional Chief Executive Officer ensures that all hospital units meet state requirements and internal quality goals. This role involves constant collaboration with department heads to streamline workflows and enhance service accessibility for the local population. V. Lee focuses on optimizing resource allocation to support the diverse medical needs of the community. Through the application of data-driven management techniques, the Regional Chief Executive Officer improves operational efficiency and supports the long-term growth of the regional systems. V. Lee remains dedicated to fostering a collaborative environment where clinical excellence and administrative precision drive the success of the assigned healthcare facilities.

    Anne Lopez - Chief Operating Officer

    Anne Lopez, the Chief Operating Officer at Hawaii Health Systems Corporation, directs the day-to-day operational activities across the entire network of nine facilities. Lopez manages the integration of clinical and administrative processes to ensure consistent service delivery. By overseeing supply chain logistics, facility maintenance, and operational workflows, the Chief Operating Officer optimizes the use of resources throughout the state. This role involves working closely with regional leaders to identify bottlenecks and implement scalable solutions that improve patient throughput and care quality. Anne Lopez monitors performance indicators to ensure that all hospitals operate within budget and regulatory guidelines. Through the strategic management of operational assets, the Chief Operating Officer drives efficiency and supports the long-term sustainability of the organization. Lopez ensures that the infrastructure of the health system remains robust, allowing medical teams to focus on providing high-quality care to the communities served.

    Sylvia Sonnenschein - Chief of Staff

    Sylvia Sonnenschein, the Chief of Staff at Hawaii Health Systems Corporation, coordinates the executive office functions and facilitates communication between the leadership team and the Board. Sonnenschein manages the flow of critical information, ensuring that strategic priorities receive appropriate attention and resources. By overseeing administrative projects and cross-departmental initiatives, the Chief of Staff maintains organizational alignment with the corporate mission. This role involves managing complex schedules and high-level meetings to ensure that the executive team operates with maximum efficiency. Sylvia Sonnenschein acts as a central point of contact for internal and external stakeholders, fostering transparency and effective governance. Through the rigorous management of executive workflows, the Chief of Staff supports the overall stability of the organization. Sonnenschein ensures that all leadership decisions are executed with precision, ultimately contributing to the seamless operation of the entire nine-facility health system across the state.

    Carmen Wagner - Chief Human Resources Officer

    Carmen Wagner, the Chief Human Resources Officer at Hawaii Health Systems Corporation, directs the talent management and workforce development strategies for the entire organization. Wagner manages recruitment, retention, and employee relations to ensure that all facilities maintain a highly skilled and motivated staff. By overseeing compensation structures and benefits programs, the Chief Human Resources Officer fosters a positive work environment that attracts top medical and administrative talent. This role involves developing training initiatives that align with the evolving needs of the healthcare industry. Carmen Wagner collaborates with regional leadership to address staffing challenges and promote a culture of safety and inclusivity. Through the implementation of effective human capital strategies, the Chief Human Resources Officer supports the overall mission of the organization. Wagner ensures that the workforce remains prepared to meet the complex demands of patient care, ultimately strengthening the operational capacity of the entire health system.

    Ryker Wada - Regional Chief Human Resources Officer

    Ryker Wada, the Regional Chief Human Resources Officer at Hawaii Health Systems Corporation, manages the human capital needs for specific regional systems within the network. Wada directs local recruitment efforts and ensures that all personnel policies align with corporate standards and state labor regulations. By overseeing employee engagement and performance management at the regional level, the Regional Chief Human Resources Officer supports the retention of essential clinical and support staff. This role involves addressing the unique staffing requirements of island-based facilities to ensure continuous service coverage. Ryker Wada collaborates with regional executives to develop training programs that enhance the skills of the local workforce. Through the proactive management of regional HR functions, the Regional Chief Human Resources Officer improves operational stability and fosters a supportive work environment. Wada ensures that the regional teams remain fully equipped to deliver high-quality care to the local communities.

    Juanita Lauti - Vice President & Chief Human Resources Officer

    Juanita Lauti, the Vice President & Chief Human Resources Officer at Hawaii Health Systems Corporation, directs the high-level human resources strategy and organizational development initiatives. Lauti manages the long-term planning for workforce growth and leadership succession across the entire nine-facility network. By overseeing the design of comprehensive benefits and wellness programs, the Vice President & Chief Human Resources Officer ensures that the organization remains a competitive employer in the healthcare market. This role involves analyzing workforce data to identify trends and implement strategic improvements to employee satisfaction and productivity. Juanita Lauti works with the executive team to align human resources goals with the broader corporate mission of providing accessible healthcare. Through the development of robust HR policies, the Vice President & Chief Human Resources Officer strengthens the organizational culture. Lauti ensures that the health system maintains a resilient and capable workforce, ready to meet the challenges of the evolving medical landscape.

    Lorene Siaw - Vice Chief of Staff

    Lorene Siaw, the Vice Chief of Staff at Hawaii Health Systems Corporation, assists in the management of executive office operations and supports the coordination of strategic initiatives. Siaw manages specific administrative projects that bridge the gap between corporate leadership and regional hospital operations. By facilitating communication and ensuring that executive directives are implemented effectively, the Vice Chief of Staff maintains organizational momentum. This role involves preparing reports and briefings that support the decision-making process for the senior leadership team. Lorene Siaw collaborates with the Chief of Staff to ensure that all executive functions run smoothly and efficiently. Through the diligent oversight of administrative tasks, the Vice Chief of Staff contributes to the overall operational success of the organization. Siaw ensures that the executive office remains responsive to the needs of the regional systems, ultimately supporting the delivery of high-quality healthcare services across the state.

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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 Orianna Skomoroch (Chief Executive Officer, Kauai Region) 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), Orianna Skomoroch (Chief Executive Officer, Kauai Region), 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, Chief Executive Officer, Kauai Region, Regional Chief Executive Officer, Oahu, Regional Chief Executive Officer, Chief Operating Officer.