Alan Aldrich
Interim Co-CEO, Chief Financial Officer

Alan Aldrich is a native of Lewistown and graduated from Fergus High School in 1974. After receiving a degree in Accounting and Business Management in Billings, he began his career in Billings, working for Polar Industries, a 6 state LP Gas and fertilizer distribution company.

He returned to Lewistown and joined Central Montana Medical Center in 1978 and has accumulated 40 years of healthcare finance experience. He held various positions at CMMC thru out the years and was promoted to the Chief Financial Officer for CMMC in 1998, a position he currently holds.

Other community activities that he has been involved with have included 5 years on the Lewistown Area Chamber of Commerce Board of Directors, 9 years on the Fergus Federal Credit Union Board of Directors including 7 years as Chairman of the Board, 12 years on the First Bank of Montana Board of Directors and is currently still serving in this capacity and several years as a member of the Basin State Bank advisory board. He has also been involved in the past with the Lewistown Revitalization Committee and the Destination Lewistown web site committee.

Alan and his wife Christie have four children and 8 grandchildren.

Laura Bennett, MD
Interim Co-CEO, Medical Director

Laura grew up in Great Falls and attended Carroll College. She attended Creighton University Medical School in Omaha NE. Residency was in Spokane WA and her first job was in Helena. After meeting Ron her husband, she moved to Lewistown and has been very happy living here ever since.

Ron and Laura have raised 3 children, Seth, Josie and Maida and truly enjoy and appreciate the Lewistown community. Laura and Ron are outdoor enthusiast. Currently they can be found wondering around the area on a tandem bike, cross country skiing or backpacking. Laura also enjoys fiber arts of spinning and weaving and hopes to eventually have a couple of alpacas.

After 23 years of providing family medicine and OB, Laura has stepped away and is now the medical and population health director at CMMC. This has allowed her to work in a different capacity but remain involved in the health of the people in Lewistown and the outlying communities.

Karin White
Chief Nursing Officer

Karin is new to Montana and loves learning and exploring new things about Montana. She grew up in Southern Arizona/New Mexico, but has lived, worked and raised a family the last 30+ years in Idaho. She received her ADN in nursing from the College of Southern Idaho (CSI) in Twin Falls, Idaho and her BSN at Idaho State University (ISU) in Pocatello, Idaho. She completed a Masters in Business Administration (MBA) through Aspen University in Denver, Colorado.

Karin has served in Critical Access Hospitals her entire career, enjoying the rural lifestyle it affords. She loves spending time with her husband Pepper, outdoors. She loves sports, hunting and fishing, rodeo, and ranch life. When she isn’t working she loves spending time with her kids and grandkids.

Joan McMahon, MD
Chief Medical Officer, Chief of Staff

Joan grew up in Montana and attended Carroll College. She attended St. Louis University Medical School. Residency was in Combined Internal Medicine and Pediatrics at Charleston Area Medical Center. Joan began her career at CMMC in 2008 as an ER physician before taking on the role of Chief Medical Officer.

Abbey Wichaman
Laboratory Manager/Compliance Officer

Abbey is an area native, growing up in the Grass Range area.  After receiving her Bachelors degree in Microbiology from Montana State University,  Abbey moved to Denver CO to acquire her certification in Medical Laboratory Science from the Colorado Center for Medical Laboratory Science.  After graduating and obtaining her certification, she settled in the Denver area for about 6 years enjoying all that it had to offer including golfing, hiking, fishing and visiting breweries!  She worked as a Generalist and then as a Microbiologist at Presbyterian/St. Lukes Medical Center before spending her last two years in Denver serving Cancer patients in the Apheresis realm.  She currently enjoys management in the Laboratory at CMMC and looks forward to fulfilling her role in Compliance.  When she is not working she enjoys spending time with her family and exploring Montana and all the beauty it offers to her soul.

Rick Poss
Director of Ancillary Services

Rick Poss began his healthcare career in June 1984 as a registered Respiratory Therapist at the University of Iowa Hospitals and Clinics. There he achieved a solid clinical base with supervisory duties and responsibilities. In the fall of 1988 he accepted a position as a shift supervisor by the former Montana Deaconess Medical Center, currently Benefis East in Great Falls. In August of 1990, Rick and his wife Shelley moved to Lewistown where he started employment with CMMC as the department manager of Cardiopulmonary Care.

Over the years at CMMC Rick was given the opportunity to manage additional departments: Ambulance, Sleep Lab Services, Home Oxygen/Home Medical Equipment, Radiology, Maintenance, Dietary, Laundry and Environmental services. In the fall of 2017 Rick became the interim CEO of Wheatland Memorial Healthcare in Harlowton. His current positions are Director of Ancillary Services for CMMC and interim CEO of Wheatland Memorial Healthcare.

Outside of his employment in Lewistown, he received a Master’s degree in Administration, served 10 years as City Commissioner, two of those years as City Commission Chairman. Other boards he served were the Health District, Planning Board, City 911 Board and Fergus County Federal Credit Union Board.

Rick and his wife Shelley have three children.

Torie Poser
CMMC Clinic Manager

Torie Poser is the Clinic and Physician Services Manager at CMMC. Prior to her current role, she was Human Resources Manager for 8 years at CMMC. Torie received her Master’s degree in Industrial/Organizational Psychology from Minnesota State University, Mankato. Before her career at CMMC, Torie worked as a business consultant and taught university classes at Montana State University, Bozeman. Outside of work, Torie enjoys spending time with her husband and 3 boys.