“Words cannot express! Rimrock compassionately offered the help I needed and was the beginning of a very crucial life change and positive growth for the rest of my life. Thank you!”

Nicholas T.

Our Leadership Team

Rimrock’s professional staff welcomes you!

Lenette Kosovich, RN, MHAChief Executive Officer

As CEO of Rimrock, the largest Behavior Health organization providing Substance Use Treatment and Mental Health Services for fifty years, Lenette Kosovich brings over twenty-five years of senior management experience in healthcare administration. She is a Registered Nurse and has a Master’s Degree in Healthcare Administration. Her previous work experience includes serving as the Regional Director of Employer-Based Primary Care Clinics for a Third Party Administer and as Director of Human Resources with a major Montana healthcare system. She was an adjunct professor at Montana State University – Billings in the Healthcare Administration program for eleven years. Lenette was a founding member and currently serves as the Chairman of the Board of the Behavioral Health Alliance of Montana. Currently, she co-chairs the Treatment Task Force of the Substance Abuse Connect of Yellowstone County and is a representative on the Executive Team. She is a Board Member of Billings Industrial Revitalization District; a Board Member of Billings Chamber of Commerce; and a Trustee on the Board of Directors of MSUB Foundation. Lenette is also a member of the National Association of Addiction Treatment Providers.

Photo of Coralee Goni

Coralee Schmitz, MS, MBA, MACChief Operations Officer

Coralee Schmitz is the Chief Operations Officer at Rimrock. She holds a Master’s Degree in Psychology, a Master’s in Business Administration, and is licensed by the state of Montana as an Addiction Counselor. She also holds accreditation from the National Association of Alcohol and Drug Addiction Counselors as a Masters level Addiction Counselor and holds certification from CSAT (Center for Substance Abuse Treatment) for Motivational Enhancement Therapy for Adolescent Cannabis abusers. Coralee is also certified as by the Commission for Accreditation of Rehabilitation Facilities (CARF) as a surveyor.

Coralee is responsible for managing the general operations at Rimrock, to include Adult Treatment, Adolescent Treatment, Sober Housing, and the Treatment Court Programs.

Burke Kufeld, MBAChief Financial Officer

Burke Kufeld has 25 years of experience working in healthcare finance.  Burke graduated with a Bachelor’s of Science in Business Finance from the University of Montana and later earned a Master’s of Business Administration with a Finance emphasis degree from Washington State University. He started working for Lutheran Health Systems (now Banner Health) at their System Office in Fargo, ND before taking leadership positions at facilities in Brush, Colorado and Loveland, Colorado.  Prior to coming to Rimrock, Burke worked for the Sisters of Charity of Leavenworth  Health at St. Vincent Healthcare in Billings and Holy Rosary Healthcare in Miles City.  Burke has extensive experience working in healthcare finance including strategic planning, budgeting, and capital and operational analysis in both rural and non-rural settings.

Christi Beals, RN, MBAChief Nursing Officer and Senior Director of Admissions/Inpatient Services

Christi Beals has dedicated more than 15 years to the healthcare profession, spending the last nine years in leadership positions. Christi graduated with a Bachelor’s of Science in Nursing and a Bachelor’s of Science in Business Management from Montana State University. She later earned a Master’s of Business Administration from the University of Mary. Christi has extensive experience leading a broad range of nursing departments in the acute care setting including a Senior Leadership position for one of the largest acute care hospitals in Montana. Along with her nursing leadership positions, Christi has also been an Executive team member of a psychiatric residential treatment facility where she led the departments  responsible for business development, marketing, public relations, and human resources. Christi is a Montana native and when she is not at work she is enjoying the beautiful outdoors with her family.

Rebecca Clinch, MBA, SPHRDirector of Human Resources and Corporate Compliance

Becki Clinch is the Director of Human Resources and Corporate Compliance with over 15 years of experience in the private, government and healthcare sectors. Becki is responsible for implementing human resource management strategies that enable Rimrock to recruit, train and retain a high performing and motivated workforce. Becki holds a BS in Business Administration from the University of Montana and a MBA in Strategic Human Resource Management. Becki maintains an active membership in the Society of Human Resource Management at the local and state levels. She is also certified through the Human Resource Certification Institute as a Senior Professional in Human Resources.

David Carlson, MDMedical Director and Psychiatrist

Dr. Carlson earned his medical degree at the University of North Dakota. He then completed his residency through Washington University at Barnes Hospital in Saint Louis, Missouri. Licensed by the American Board of Psychiatry and Neurology, Dr. Carlson provides services to both patients and their families. Prior to his work at Rimrock, he practiced and provided consulting services to many Montana hospitals and organizations including Billings Clinic and St. Vincent Healthcare.

Malcolm Horn, Ph.D., LCSW, MAC, SAPDirector of Mental Health Services

Dr. Horn received her Doctorate in Psychology, with a teaching emphasis, from Walden University and has over a decade of progressive clinical experience working with the complex diagnoses that often accompany addictions and co-occurring disorders. She is a Licensed Clinical Social Worker (LCSW) and is licensed by the State of Montana as an Addiction Counselor (LAC). She is certified as an SAP (Substance Abuse Professional) to conduct assessments for those with a safety-sensitive position under the Department of Transportation. She also has accreditation from the NAADAC (National Association of Alcohol and Drug Addiction Counselors) as a Masters Level Addiction Counselor (MAC). Malcolm is responsible for ongoing training and education for clinical and support staff.

Jennifer Verhasselt, BS, LACSenior Director of Residential Services and Peer Support

Jen Verhasselt received her Bachelors of Science in Psychology from University of Montana in Missoula and is licensed in Montana as an Addiction Counselor.  She has substantial clinical experience working with adults with addictions and co-occurring disorders. Jen has worked at Rimrock since 2008 and is responsible for the oversight of our  Peer Support as well as Long Term Residential Services including Michel’s House,  Willow Way, and True North.

Karlyle Duke, BS, LACDirector of Court Services

Karlyle Duke is the Director of Court Services with 10 years of experience in the addiction field. She has been at Rimrock since 2015 and previously worked for a residential treatment facility contracting with the Department of Corrections. She received her Bachelor’s degree in Psychology from the University of Montana-Missoula and is licensed in Montana as an Addiction Counselor. Karlyle is responsible for the oversight of multiple Treatment Court Programs and Prime for Life Program that Rimrock serves in Billings, MT.


Dion NebelDirector of Facility Services

Dion has been a Rimrock team member since 2000. He served in the U.S. Army and is an Operation Desert Storm veteran. He currently manages the Foundation’s vehicle fleet, maintenance and Hospitality Services Departments for the Foundation and it’s outlying facilities. He is licensed as a high pressure boiler operator, sanitation officer, and has extensive training in OSHA safety regulations.

Nickie LangeliersDirector of Medical Records

Nickie has been a member of the Rimrock team since 1987. Prior to becoming the Medical Records Supervisor she worked in the Medical Records Department as the Quality Review Coordinator. Nickie has assisted Rimrock through 9 very successful national accreditation surveys. She holds a Bachelor’s degree in Education from Montana State University Billings and has extensive training in patient rights and confidentiality issues. Nickie is responsible for assuring the quality of the patient record meets the accreditation guidelines, additionally she oversees dissemination of requested health care information.