Hollie Seeley

North Suburban Medical Center

Hollie Seeley joined North Suburban Medical Center in Thornton, Colorado as its President and CEO in November 2021. Seeley is a registered nurse and brings more than 30 years of healthcare experience to North Suburban with nearly 20 years in Emergency Department and Trauma Services.

Most recently, Seeley served as the Chief Operating Officer for Rose Medical Center in Denver. Under her leadership, Rose experienced tremendous growth in hospital service lines.

Casey Guber

Rose Medical Center

Casey has a history of faithful service to HCA's Continential Division. He returns to Team Rose after serving as the chief operating officer of the HCA Healthcare facility Wesley Healthcare in Wichita, Kansas. There, he achieved many accomplishments, including growth in capital investments, opening a new free-standing emergency department, developing a dedicated neuro critical care unit, opening an orthopedic/spine Center and helping expand the Children's Hospital. Prior to his tenure at Wesley, Casey was the associate chief operating officer and administrative fellow at Rose Medical Center.

Ryan Tobin

Swedish Medical Center

Ryan Tobin is the President & CEO at Swedish Medical Center after serving as the Rose Medical Center President and CEO. 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.

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.

Ryan Simpson

The Medical Center of Aurora

Ryan Simpson is the President and CEO of The Medical Center of Aurora (TMCA) and Spalding Rehabilitation Hospital. He oversees TMCA's six campuses in Aurora and Centennial, Colo., including the flagship 346-bed South Campus, located at Interstate 225 and Mississippi, the 80-bed North Campus Behavioral Health and Wellness Center, the 100-bed Spalding Rehabilitation Hospital Aurora/Spalding Rehabilitation at P/SL, Centennial Medical Plaza, Saddle Rock ER and a medical office building at Green Valley Ranch and a vast array of other services. TMCA is a Level II Trauma Center, has Chest Pain Center accreditation, Atrial Fibrillation with EPS accreditation, is a Joint Commission Accredited Primary Stroke Center, the HealthONE Behavioral Health Services hospital, and has an affiliation with Rocky Mountain Hospital for Children and Sarah Cannon Cancer Institute.

Ryan has been with HCA since 2010 and during his time at Swedish, he was instrumental in relocating Colorado's largest urology practice to the facility, resulting in a 40% increase in robotic surgeries. He led over $80 million in construction projects that included building a new hybrid OR, a cath lab expansion, and a surgical robotics OR expansion. He also led tactics that improved physician engagement to top-decile performance in HCA.

During his earlier time as COO at TMCA, Ryan led numerous development, construction and renovation projects across campuses totaling over $70 million. Among the projects were the renovation of TMCA's perioperative services, intensive care unit, emergency departments, Saddle Rock ER, and the establishment of a behavioral health campus.

Ryan received his Bachelor of Science in Business Administration from Birmingham-Southern College in Birmingham, Alabama. He received his Masters of Science in both Business Administration and Health Administration from University of Alabama at Birmingham.

Ryan and his wife, Johanna, have been married for 21 years and have two children.

Kirk McCarty, RN, MSN, NEA-BC

Sky Ridge Medical Center

Kirk brings a wealth of experience to Sky Ridge and has a depth of experience that extends to Emergency Services, Perioperative Services, Trauma, Neurosciences, Cardiology and more. Kirk has been an integral member of the Executive Team since 2014 when he relocated from Kansas City, Missouri. Kirk was promoted from his role as Chief Operations Officer (COO) to the President & CEO of Sky Ridge in 2020.