Kelsey-Seybold Clinic Executive and Leadership Team

November, 2026

Leadership Overview

Kelsey-Seybold Clinic has 5 executives leading key functions including operations, technology, information systems, medical oversight, and cardiology.

Committed to delivering high-quality patient care, Kelsey-Seybold Clinic advances medical excellence through a comprehensive multi-specialty network. This organization prioritizes integrated health solutions to improve community wellness across the region.

Leadership Roles at Kelsey-Seybold Clinic

  • Chief Operating Officer - Kenneth Janis
  • Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer - Martin Littmann
  • Vice President, Information Systems & Chief Information Officer - Gregory Hyzak
  • Chief Medical Officer - Donnie Aga
  • Chief of Cardiology - Ali Mortazavi
  • Kenneth Janis - Chief Operating Officer

    Kenneth Janis, the Chief Operating Officer at Kelsey-Seybold Clinic, directs the daily administrative functions across the entire multi-specialty network. Overseeing clinical workflows and facility management, the Chief Operating Officer ensures that hospital and clinic operations maintain peak efficiency. This leadership role involves optimizing resource allocation to support gynecology, ophthalmology, and orthopedic surgery departments. By streamlining internal processes, Kenneth Janis directly impacts the quality of patient care delivery throughout the Texas market. The Chief Operating Officer coordinates with department heads to align operational goals with the broader mission of providing accessible healthcare. Through rigorous oversight of administrative standards, Janis secures the operational stability required for sustained growth. This executive maintains a focus on scaling service capacity to meet the evolving needs of the patient population while upholding the high standards of the clinic system.

    Martin Littmann - Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer

    Martin Littmann, the Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer at Kelsey-Seybold Clinic, architects the digital infrastructure protecting sensitive patient data. Managing cybersecurity protocols and enterprise technology stacks, the Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer ensures robust defense mechanisms against emerging digital threats. This leadership role involves integrating advanced software solutions to support the spine center and urology services. By implementing secure data architectures, Martin Littmann directly impacts the integrity of the clinic's digital health records. The Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer collaborates with executive leadership to align technological investments with long-term security objectives. Through continuous monitoring of network vulnerabilities, Littmann maintains the safety of the entire clinical ecosystem while driving innovation in healthcare technology.

    Gregory Hyzak - Vice President, Information Systems & Chief Information Officer

    Gregory Hyzak, the Vice President, Information Systems & Chief Information Officer at Kelsey-Seybold Clinic, directs the development and maintenance of all clinical information systems. Overseeing the digital transformation of patient management platforms, the Vice President, Information Systems & Chief Information Officer ensures seamless data flow between hospitals and specialty clinics. This leadership role involves deploying scalable software solutions that enhance the efficiency of pediatric ophthalmology and other specialized departments. By optimizing information architecture, Gregory Hyzak directly impacts the speed and accuracy of clinical decision-making. The Vice President, Information Systems & Chief Information Officer coordinates with the broader executive team to integrate new health technologies into existing workflows. Through the strategic management of information systems, Hyzak supports the clinic's mission to provide data-driven care. This executive maintains a focus on improving user experience for both medical staff and patients across the entire network.

    Donnie Aga - Chief Medical Officer

    Donnie Aga, the Chief Medical Officer at Kelsey-Seybold Clinic, directs the clinical standards and medical practices across the multi-specialty network. Overseeing physician performance and patient care protocols, the Chief Medical Officer ensures that all medical services meet rigorous quality benchmarks. This leadership role involves guiding the strategic direction of gynecology, ophthalmology, and orthopedic surgery departments to improve health outcomes. By fostering a culture of clinical excellence, Donnie Aga directly impacts the standard of care provided to the community. The Chief Medical Officer collaborates with the Board and other executives to implement evidence-based medicine across all facilities. Through the continuous evaluation of medical services, Aga secures the reputation of the clinic as a leader in patient-centered care. This executive maintains a focus on physician recruitment and professional development to sustain the high quality of medical expertise within the organization.

    Ali Mortazavi - Chief of Cardiology

    Ali Mortazavi, the Chief of Cardiology at Kelsey-Seybold Clinic, directs the specialized cardiac care services provided throughout the clinic system. Overseeing diagnostic and treatment protocols for heart-related conditions, the Chief of Cardiology ensures that patients receive advanced cardiovascular interventions. This leadership role involves managing the integration of cardiology services with other specialties like the spine center and urology to provide comprehensive patient care. By driving clinical innovation in heart health, Ali Mortazavi directly impacts the survival and recovery rates of the patient population. The Chief of Cardiology coordinates with the medical leadership team to align cardiac service expansion with the clinic's broader growth strategy. Through the implementation of cutting-edge cardiac technologies, Mortazavi secures the clinic's position as a premier provider of heart care. This executive maintains a focus on improving patient outcomes through specialized medical expertise and efficient clinical management.

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    Frequently Asked Questions Regarding Kelsey-Seybold Clinic Top Executives and Leadership Team

    Who leads Kelsey-Seybold Clinic?
    Kelsey-Seybold Clinic is led by Kenneth Janis (Chief Operating Officer), along with executives such as Martin Littmann (Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer) and Gregory Hyzak (Vice President, Information Systems & Chief Information Officer).
    Who is part of Kelsey-Seybold Clinic’s executive team?
    The executive team of Kelsey-Seybold Clinic includes leaders such as Kenneth Janis (Chief Operating Officer), Martin Littmann (Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer), Gregory Hyzak (Vice President, Information Systems & Chief Information Officer) and other senior executives.
    How many executives does Kelsey-Seybold Clinic have?
    Kelsey-Seybold Clinic has 5 executives leading key business areas.
    What roles are included in Kelsey-Seybold Clinic’s leadership team?
    The leadership team of Kelsey-Seybold Clinic includes roles such as Chief Operating Officer, Technology Chief & Information Security Officer & Chief Technology Officer & Chief Information Security Officer, Vice President, Information Systems & Chief Information Officer, Chief Medical Officer, Chief of Cardiology.