Meet Our Staff
Marcie Chambers, PhD
CEO & Founder
Dr. Marcie Chambers received her PhD in Psychology from the University of Colorado at Boulder. She was in private practice for a number of years, treating clients for depression, anxiety, trauma, codependency and addiction. Her practice included treating individuals, couples, and families. Dr. Chambers taught psychology at the University of Colorado, Regis University and Metro State College. Dr. Chambers opened The Rose House in Boulder County, Colorado in 2007.
Allison Hill, CAS
Executive Director
Allison has held various positions within The Rose House organization since 2015, including Lead Tech, House Manager, Step Down Program Manager and Director of Operations. She has been the Executive Director since the beginning of 2020. Allison is a Certified Addiction Specialist, registered with the State of Colorado, and has completed CCAR Recovery Coach training. Having graduated from the Rose House program herself, Allison is passionate about life in recovery. She enjoys being a mom, spending time outdoors, and is grateful for the opportunity to support other women on their journeys.
Arshad William, MD
Medical Director
Dr. William received his medical degree from University of Benin College of Medicine. He was Chief Resident at the University at Harlem Hospital Center, College of Physicians & Surgeons of Columbia. Dr. William is certified by the American Board of Psychiatry and Neurology. He is a Fellow of the American Psychiatric Association, board certified by the American Board of Addiction Medicine (ABAM) and Member of the Colorado Psychiatric Society.
Sandra Radney, MA, CAS
Clinical Lead, Family Coordinator/Case Manager
Sandra grew up in Wyoming. She earned a BS in Education from Utah State University and her MA in Education from Chapman University. Sandra taught middle and high school students with behavioral, emotional, and learning disabilities for many years and was the Community Outreach/Prevention Coordinator for the local high school in Wisconsin where she lived with her family for 15 years. Sandra has training in SAP, Brief Intervention, Motivational Interviewing, Nonviolent Communication, Internal Family Systems and ARISE. She is a Certified Addiction Specialist, CAS. Sandra is grateful for the opportunity to support beautiful, brave women in recovery and their families, as well as be a part of the amazing Rose House staff. She enjoys living in the sunny state of Colorado with her husband, daughter, two sons and all the outdoor activities it offers including running, hiking, camping, and skiing. She is an avid reader, knitter, and traveler. She is a Certified Addiction Specialist, CAS and Certified ARISE Interventionist, CAI.
Barbara Flood, LAC, LCSW, PhD
Primary Therapist
Dr. Barbara Flood, with a PhD in Transpersonal Psychology and an MSW from the University of Wisconsin Milwaukee, is a licensed addictions counselor and trauma specialist. With over 30 years of clinical experience, she specializes in trauma and PTSD, addictions, co-dependency, and aging.
Dr. Flood is certified in EMDR and Emotional Intelligence, with extensive training in handling a wide array of traumatic events and issues, including childhood abuse, intimate partner violence, and traumatic grief. A proponent of integrating mind, body, and spirit in therapy, she employs gestalt and somatic approaches, enhanced by her original training with the Gestalt Institute of Cleveland. Her advanced training spans trauma reduction, mindfulness, and various therapeutic modalities such as ACT, IFS, DBT, and CBT, focusing on depression and anxiety.
Dr. Flood has also developed post-graduate training programs for therapists and coaches, and has taught psychology at universities such as Naropa, CU Denver, and Metropolitan University of Denver. Her work is driven by a deep commitment to personal growth and recovery.
Tyler Moon, LPC
Primary Therapist
Tyler is a Licensed Professional Counselor who joined The Rose House team at the start of 2024. He was raised in Indiana where he completed his Bachelor of Science in Psychology and Master of Education in Mental Health Counseling at Indiana University Bloomington.
Before joining The Rose House, Tyler was working with a nonprofit providing therapy and support to women in Denver’s shelter system. He’s experienced in working with a wide range of challenges including severe mental illness, high levels of trauma, substance use disorders and more. Outside of being a therapist he’s a big movie buff, an enthusiastic organizer of game nights, an avid fan of cooking, and loves to read and learn about just about everything under the sun!
Larry Algiene LPC, CAS
Continuing Care Therapist and Program Manager
Larry is our step down therapist and supports Rose House Graduates in their transition from residential level of care to outpatient supportive living. Larry’s many years of experience as a primary therapist in our residential program supports The Rose House’s dedication to and success in maintaining continuity of care. Larry facilitates continued family and trauma therapy while clients are engaged in work or school and returning toward successful and healthy independent lives. Larry has over 20 years of clinical experience, holding licenses as a Certified Addiction Specialist and Licensed Professional Counselor.
Specializing in Trauma and Emotional Development, Larry uses post induction therapy, CBT and gestalt therapy, along with a wide variety of experiences to foster connection and strengthen our treatment community. Along with his many years at The Rose House, Larry has been a clinical director, a drug court therapist, and a social worker for the Colorado department of corrections, as well as serving the Colorado Army National Guard for 17 years. Larry is a family man – a proud father of two and happily married since 2002.
Amber Owens
HR Coordinator
Amber has been in recovery for several years herself. Since overcoming her battle, she has earned a bachelor’s degree in marketing with a minor in psychology. She is currently working on her master’s in human resource management and her SHRM certification as well. She is also a mother and loves spending time with her family. On a warm weekend you might find them somewhere like the zoo or the renaissance fair.
Hannah Kearney BA, BSN, RN
Director of Nursing
Hannah started her career in the healthcare profession as an EMT. In 2016, she joined the Rose House team as a Psychiatric Technician, while obtaining her BA in Psychology. After this, she earned her BSN from the Denver College of Nursing. She is now a Registered Nurse on an inpatient cardiac unit.
Hannah hopes to empower women at the Rose House and support them on their recovery journey. One of her biggest passions is dismantling diet culture through a Health at Every Size (HAES) approach.
On her days off, Hannah enjoys riding horses, traveling, reading, and hiking with her dog, London.
Lexzi Shomler
Operations Manager
Since graduating from CU Boulder with a Bachelor’s in Psychology, Lexzi found her niche at the Rose House. Her background with mental health and psychiatry led her to her position as a Psychiatric Technician, and she now manages both the property and the wonderful team of mental health technicians. When she’s not at work, you can find her hiking, reading, fixing up old furniture, or spending time with her loved ones!
