Our Physicians

Andrew Sylvester, MD

Chief Medical Officer 

Roderick O’Brien, MD

Director of Intensive Treatment Units

Nadia Haddad, MD

Director Of Chemical Dependency

Ari Goldschmidt, PMHNP

Gregory Finoff, DO

Internal Medicine

Andrew Loftin, PA-C

Physician Assistant, Internal Medicine

Dr. Claudia Clopton, MD

Director of ECT

Dr. Isabella Michna, MD

Director of Adult Inpatient Services

Joel Michalak, PA-C

Adolescent Specialist

Sean Forster, MSN, RN

Chief Executive Officer

Sean Forster has over ten years of experience in psychiatric services. Sean started his career as a Nursing Assistant in assisted living homes while he progressed through his schooling and obtained first is LPN and then his BSN-RN Degree. Sean worked as a behavioral health unit nurse and progressed into a coordinator, case manager, and Director of inpatient behavioral health services in North Dakota. Sean also oversaw outpatient mental health services from the clinic, PHP, and IOP programs before moving to Colorado and joining Centennial Peaks Hospital as their CNO in 2017. In 2019, Sean transitioned from CNO to the hospital CEO.

Patty Rivers, CPA

Chief Financial Officer

Billy Torres

Interim Director of Business Development

Elyse Marinelli, LCSW

Director of Risk Management and Performance Improvement

John Guenther

Director of Plant Operations

Erika Donnellan, MA, BCBA, SPHR, SHRM-SCP

Human Resources Director

Erika joined Centennial Peaks Hospital in 2018 as the Director of Human Resources. She received her Master’s degree in Industrial Organizational Psychology, with a focus on Organizational Behavior Management (OBM), at Western Michigan University. She began her career in Applied Behavioral Analysis; seeking to improve organizational effectiveness and quality care using the principles of Performance Management. Her career shifted into Human Resources over the years focusing on all phases of people management including full cycle talent acquisition, employee relations, performance management, retention, compensation, benefit programs, and coaching support to the leadership team. She is dually certified in Human Resources with a Senior Professional in Human Resources (SPHR) and Society for Human Resources- Senior Certified Professional (SHRM-SCP).

Anmarie Masters, M.Ed, RHIA, CPCS, CPMSM

Director of HIM

April Zink, MS, LAC

Director of Utilization Review

Nancy Burlack, Ed.D, LMFT

Director of Outpatient

Danielle Worden

Director of Business Office

Laura Burnett-Tubbs, MA LPC

Director of Intake

Always Here to Help

Centennial Peaks Hospital is available 24 hours a day, seven days a week to provide a no-cost mental health assessment for you or your loved one. Call us at 303-673-9990 or visit our Louisville, CO facility to get started. In the case of a medical emergency or crisis, please dial 911 or go to the nearest emergency room.