Hospital CEO's

Daphne G. David

North Suburban Medical Center

Daphne is a seasoned healthcare executive with over 18 years of experience. Prior to becoming the President and CEO at North Suburban, Daphne served as the Chief Operating Officer at Orange Park Medical Center in Florida, where she was instrumental in developing their Level II trauma program, opening ambulatory outpatient sites and overseeing a $63 million dollar expansion project. She has a proven track record of growing volumes and driving the quality and patient service agenda.

Daphne earned a Bachelor of Science in Psychology from the University of Southern Mississippi and two Master degrees from William Carey College in Industrial Psychology and Business Administration. Daphne and her husband, Eric, have two sons, Noah and Joshua.


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Ryan Tobin

Rose Medical Center

Ryan Tobin is the President & CEO at Rose Medical Center since 2018 after serving as Rose’s Chief Operating Officer since 2014. Prior to his time at Rose, Ryan served as COO at North Suburban Medical Center and, before that, Administrator of Operations at St. Anthony’s.

Ryan earned his Bachelors of Science in Business Administration and Masters of Science in Health Care Administration from Trinity University in San Antonio, Texas. He is married and has two young children.


Richard Hammett

Richard Hammett

Swedish Medical Center

Richard has been an integral part of the leadership team at HCA’s St. David’s Medical Center, serving as Chief Operating Officer and as Interim Chief Executive Officer. Prior to that, he served for two years as Senior Vice President of Strategic Planning and Development for St. David’s HealthCare and the HCA Central and West Texas Division. Richard has supported numerous strategic, clinical and operational initiatives that have helped St. David’s Medical Center achieve the best clinical, service and financial metrics in its history. He also led the establishment of and has provided ongoing leadership for two of their Centers of Excellence—Texas Cardiac Arrhythmia Institute and NeuroTexas Institute.

Before going to Austin, he served 10 years with Baptist Hospital of East Tennessee in a variety of roles, including Administrator and Vice President for Care Operations for the large, 347-bed flagship hospital.

Richard has master’s degrees in health administration as well as business administration from the University of Alabama, Birmingham. He earned his bachelor’s degree in business from the University of Alabama in Tuscaloosa.

He and his wife, Amy, have three children – Kate, 6; Emma, 3; and Jack, 2. They are very excited about their move to Colorado and joining The Medical Center of Aurora/Centennial Medical Plaza family.


Maureen Tarrant

Maureen Tarrant

Presbyterian/St. Luke's Medical Center
Rocky Mountain Hospital for Children

Maureen Tarrant is President and Chief Executive Officer of Presbyterian/St. Luke’s Medical Center and Rocky Mountain Hospital for Children. She is an experienced senior executive within HCA’s HealthONE system of care and was named to this position in July, 2014.

Prior to this, Maureen was CEO, Sky Ridge Medical Center. She led the planning, design and development, construction and opening of HCA’s HealthONE seventh and newest hospital in 2003. Before opening Sky Ridge Medical Center, she served as HealthONE’s Vice President for Strategic and Administrative Services. She began her career with HealthONE as Vice President of Planning and Marketing for Rose Medical Center.

With a deep commitment to community organizations, Maureen serves as Ex-Officio Member of the Board of Directors, Rocky Mountain Children’s Health Foundation. Additionally, Maureen serves on the board of the Metro Denver Economic Development Corporation, Eating Disorder Center of Denver and Midtown Surgical Center. She is also a founding board member of American Cancer Society’s “CEOs Against Cancer.”

Her leadership in healthcare related organizations is extensive. Maureen serves on the MIC Management Committee (Radiology Joint Venture). She is an Adjunct Faculty member of Virginia Commonwealth University’s Department of Health Administration and a member of the American College of Healthcare Executives. She also served as Chair of the Board, Colorado Hospital Association from 2010 to 2011, and was a member of American Hospital Association’s Regional Policy Board from 2009 to 2011.


Mark Deno

Dan Miller

The Medical Center of Aurora

Dan moved from COO at Swedish Medical Center to CEO of TMCA. This position is a reflection of the results he has achieved including the opening of a new Burn Critical Care Unit and Outpatient Clinic. Dan also lead the development of the comprehensive cancer program allowing Swedish Medical Center to become the 3rd hospital in the country to be pancreatic cancer accredited and the 5th in the country to be lung cancer accredited by The Joint Commission. Additionally, Dan has implemented multiple neurosciences expansions, OR projects and Women’s Services renovations.

Dan took on the CEO role after 12 years with HCA serving in various administrative roles. He received his Bachelor of Science in Human and Organizational Development from Vanderbilt University in Nashville, Tennessee and his Masters of Science in Health Administration from Virginia Commonwealth University in Richmond, Virginia.

At TMCA, Dan oversees the medical center’s four campuses, which include two freestanding ERs, and an array of services, including a Level II Trauma Center, the Rocky Mountain Heart Institute with two accredited Chest Pain Centers and a new TAVR program starting in late October, the Joint Commission Accredited Primary Stroke Center, and HealthONE Behavioral Health Services, which will include a new adolescent unit opening in 2016, among other services. Licensed for 346 beds, TMCA has 1,600 employees, over 900 physicians and cares for over 150,000 patients annually.

The Medical Center of Aurora has twice received Magnet designation for excellence in nursing services by the American Nurses Credential Center’s (ANCC) Magnet Recognition Program® (2008, 2013), was named the #4 hospital in Colorado by U.S. News & World Report (2014-2015), received recognition as a Top Performer on Key Quality Measures® by The Joint Commission (2013, 2014)and was one of only nine hospitals in the country to be recognized by the Emergency Nurses Association with a Lantern Award for excellence in emergency room care (2013).


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Susan Hicks

Sky Ridge Medical Center

“Susan has been an integral member of the Executive Team at Sky Ridge since the hospital opened in 2003,” said Sylvia Young, HealthONE CEO.  “She has been a major contributor to its success as well as its superior results in patient safety and satisfaction. We are excited to have Susan at the helm at Sky Ridge as she leads one of our flagship hospitals into its next decade.  She has been instrumental in developing comprehensive programs in neurosurgery, orthopedics, cardiology, stroke and surgery, to name a few. The Sky Ridge team and its medical staff have given her leadership, clinical depth and business acumen a resounding vote of confidence.”

Prior to joining Sky Ridge Medical Center, Susan was the Chief Nursing Officer (CNO) and VP of Patient Care Services at Rose Medical Center for six years, where she was responsible for the operations of all patient care services. She previously held a number of key leadership posts, including Director of Surgical Services, at Rose. She has been a nurse for more than 30 years and looks forward to bringing this perspective to her position.