Top 10 CMOs - 2025

Rob McGregor, MD, FAAP Professor of Pediatrics at NEOMED. He graduated from Penn State University College of Medicine. A member of Alpha Omega Alpha honor society and graduate of the Advanced Management Program from Harvard Business School; accomplishments include forming an Amish Medical Ethics Committee and the Akron Physician Wellness Initiative (APWI), offering barrier-free mental health services

With extensive experience in clinical medicine, leadership and healthcare administration, Richard Phillips has been dedicated to improving patient outcomes and delivering high-quality care throughout his career. By leveraging his clinical expertise, he provides guidance and support to physicians and healthcare professionals, promoting evidence-based medicine and continuous professional development.

Alexandra Clark is a seasoned healthcare executive with over a decade of experience. Her expertise spans critical areas like patient safety protocols, advanced healthcare management systems, clinical research methodologies and the integration of healthcare IT solutions. She is known for her ability to drive improvements in clinical outcomes through data-driven strategies and effective leadership.

Domenic Martinello, MD, MBA, has over 15 years of medical leadership experience. Previously, he served as CMO at MountainView Hospital in Las Vegas, where he led initiatives to improve patient safety and quality, significantly reduce hospital-acquired infections and enhance hospital rankings.

Gina O’Brien is a certified physician executive leader who emphasizes building a culture of trust, employee engagement, continuous improvement and workplace wellness. She is renowned for her dedication to providing quality medical care to children from birth through young adulthood.

Griselda Gutierrez is a purpose-driven leader dedicated to creating transformational change in healthcare delivery for the Medi-Cal and uninsured population of Los Angeles County. With over 20 years of clinical experience and progressive leadership roles in a major academic, she excels in applying lean management principles and process improvement methodology.
 

James Matera is a distinguished medical professional with extensive experience, notably in his long-term role as a nephrologist at Nephrology and Hypertension Associates. He earned a doctorate in osteopathic medicine from Des Moines University and possesses a diverse academic background that includes a master of science in neuropharmacology from Seton Hall University, as well as a healthcare executive leadership certificate from Cornell University.

James Keller is an innovative MD who is passionate about driving excellence in high-risk obstetrical health care and service. He is renowned for his administrative acumen, clinical expertise and caring personality.

Michael Cratty has extensive clinical and leadership experience across academic centers and community hospitals over the past two decades. He is exceptionally skilled in population health, utilization management, disease management across the continuum of care, medical staff affairs, professional practice evaluation, pharmacy programs, palliative care and telemedicine.

Family Medicine Physician with proven business and leadership ability. Orel (Michael) Everett has previously led a highly successful private multi-specialty practice and developed new service lines to provide care for Coastal Bend communities. As the CMO for CHRISTUS Health, he is responsible for quality control, peer review, credentialing programs and case management.