CHA Staff

Jeff Tieman

Jeff joined CHA as President and CEO in August 2022, after serving as President and CEO of the Vermont Association of Hospitals and Health Systems for six years. In his role at CHA, Jeff provides leadership and direction for the Association’s work to serve and advocate for the state’s 100+ hospitals and health systems. Prior to his tenure in Vermont, Jeff served as chief of staff for the Catholic Health Association, one of the largest networks of not-for-profit health care providers, and as Washington bureau chief for Modern Healthcare Magazine. Jeff holds a Master’s degree in Strategic Public Relations from George Washington University and a Bachelor’s in Political Science from Colorado College.

Richard Bottner

Richard is the Vice President of Clinical Excellence for CHA. He has a Doctor of Health Administration from the Medical University of South Carolina, a Master’s in Physician Assistant Studies from Quinnipiac University, and a Bachelor of Science in Entrepreneurship from Babson College. Prior to joining CHA, Richard was a practicing PA in hospital medicine at Dell Medical School in Austin, Texas where he led quality and process improvement work around medication safety, readmission prevention, and patient experience. Most recently, Richard led a statewide grant-funded initiative to increase access to addiction care during acute hospitalization. Richard is passionate about clinical transformation and supporting hospitals across Colorado to provide high-quality care.

Joshua Ewing

Joshua is the Vice President of Rural Health for Colorado Hospital Association, where he leads the Association’s strategic work on behalf of the states rural hospitals. Prior to joining the Association, Joshua worked as a health policy specialist with the National Conference of State Legislatures serving the legislators and staffs of the nation’s 50 states, its commonwealths and territories. He also served as the organization’s liaison to the Missouri General Assembly. Joshua holds a Master’s degree in Public Administration from the University of Colorado-Denver and a Bachelor’s degree in social work from Missouri State University.

Julie Lonborg

Julie joined Colorado Hospital Association in 2015 and serves as the Senior Vice President of Communications and Media Relations. In her role, Julie ensures that the Association’s communications and collateral are strategically aligned and uphold the high standard befitting its members. Previously, she worked as the Chief Marketing and Communications Officer at Denver Health and Hospital Authority where she led the marketing and public relations team in planning and executing internal and external marketing and communications efforts. Prior to her position at Denver Health, Julie worked as the Directors of Planning, Marketing and Business Development for Swedish Medical Center. Julie holds a Master’s degree in Marketing from Colorado State University and a Bachelor’s degree in Business Administration from Arizona State University. She pivoted her career from the financial industry and has combined that experience with health care to create an effective and analytical skillset that aids in furthering the Association’s missions for progressing health care in Colorado.

Katherine Mulready

Katherine is the Senior Vice President and Chief Strategy Officer for Colorado Hospital Association, where she is responsible for overseeing the Association’s public policy priorities and ensuring the more than 100 CHA member hospitals are well-represented in policy debates at the state and national level. Prior to joining CHA, Katherine served as the Senior Policy Advisor on Health to former Colorado Governor John Hickenlooper, where she was responsible for coordinating the administration’s health policy initiatives. Her experience has shown that the best way to approach problems is to actively engage in collaborative efforts where all parties are committed to identifying and achieving a common vision or objective. She is a passionate believer in the value of interdisciplinary approaches, as evidenced by her joint degrees in Law and Health Care Leadership from the University of Denver and in Religion and Politics and American History from Lafayette College.

Richard Prestidge

Richard has more than 19 years of health care financial and accounting leadership experience. He obtained his MBA and MHA from the University of Maryland University College. He has been with Colorado Hospital Association since 2011. Prior to CHA, he was the Director of Finance for the Nevada Cancer Institute. He currently sits on the board for CAHE and has been a member of ACHE since 2012.

Tom Rennell

Tom is the Senior Vice President of Financial Policy and Data Analytics for Colorado Hospital Association, where he is responsible for development of the Association’s position on issues involving the financing of health care services and provides leadership and direction in the development of the CHA health care analytics program. Tom has more than 20 years of experience in financial management in health care. Before joining the Association, he worked for Kaiser Permanente of Colorado where he held roles in the leadership of financial planning and analytics, revenue cycle, and Medicare reimbursement. Tom holds a Bachelor’s degree in Economics and a Master’s degrees in Public Health from the University of Michigan, Ann Arbor.

Michael J. Scott

Michael joined Colorado Hospital Association (CHA) in May 2002 and presently serves as the Vice President of Shared Services. Michael is responsible for the CHA Trust for Workers’ Compensation, the CHA unemployment program, CHA Career Services and business relations for member hospitals and health systems. He also serves as the president of CHA Financial Advisors, an insurance agency and broker dealer that provides insurance products and financial services to members. Michael is the Immediate Past President of the Association of Healthcare Solutions (AHS) as well as a director of the Doximity Recruiter Advisory Board. He began his career as a Mardi Gras artist before joining the insurance industry. Michael is a 34-year member of National Association of Insurance and Financial Advisors and a lifetime member of the Million Dollar Round Table.

Angela Sigurdson

Angela holds a Master’s in Human Resource Management from Regis University and Bachelor’s in Psychology from Iowa State University. She is a Senior Certified Professional through the Society of Human Resource Management (SHRM-SCP) and certified Senior Professional in HR. Angela has a passion for health and wellness on a personal and professional level.

Saskia Young

Saskia Young has worked in the government affairs arena in Colorado since 2007, and joined CHA in the fall of 2024. Prior to joining CHA, Saskia served as the executive director of the Colorado Association of Health Plans, and as a Regional Policy Manager for Amazon where she created and executed state and local government affairs objectives over a five-state region. Before that Saskia served as the principal of her lobbying firm, Young Public Affairs, founded in 2015, and as the Vice President of Government and Public Relations for the multi state cannabis company, LivWell Enlightened Health. As a contract lobbyist, Saskia represented clients at the Colorado State Capitol and state executive agencies on diverse matters, including health insurance, Medicaid, general business issues, title insurance, and affordable housing. Saskia earned her law degree from the University of Colorado School of Law.