Alpha House Management
John Williams
Alpha House Director
John is married and has seven beautiful children. He served in the Montana Air National Guard for six years as a firefighter and in 1992 graduated from Rocky Mountain College. Upon graduation he began working at the Ted Lechner Youth Services Center for the next four years and in 1996 began a career with the Montana Department of Corrections as a Juvenile Parole Officer. Over the next 20 years John would hold many positions with the Department, ranging from an Intensive Supervision Officer to Chairman of the Billings Area Reentry Task Force. The last nine years of his career John would be the Administrator for Region IV Probation Parole Operations covering the South Central region of Montana. He has been a member of the Billings Community for nearly 30 years, has a strong faith background and set of values that have guided him through the years of his life. John understands the importance of research and evidence in corrections as the field continues to address the complex and ongoing issues of balancing the safety of our communities while providing opportunities for individual’s to change their behavior and become contributing law abiding members of the community. In January of 2016, John was offered and was honored to accept the position as Alpha House Director.
Contact Info: [email protected] or 406-259-9695 ext. 129
Amanda Roos
Operations Supervisor
Amanda has worked in the corrections field since earning her Bachelor’s Degree from the University of Minnesota, Duluth in 1999 with a double major in Criminology and Sociology. She worked in juvenile residential treatment centers from 1999 until moving to Montana in the summer of 2011 where she took on the role of Case Manager at Alpha House until March of 2012. She then worked for the Montana Department of Corrections as a Probation and Parole Officer for six years, also working part time as a Client Advisor at Passages starting in November of 2017. She returned to Alpha House full time in June of 2018, where she currently holds the position of Operations Supervisor.
Contact Info: [email protected] or 406-259-9695 ext. 222
Darren Zent
Screening/Disciplinary Coordinator
Darren was born and raised in Billings and is passionate about his family, his faith, and music. He has a bachelor’s degree from Eastern Montana College in Sociology and Spanish. He started his career in corrections in 1990 as a Detention Officer at the Yellowstone County Detention Facility. In 1996, he started at Alpha House as a Case Manager and was promoted to Program Supervisor. In 1998, he moved to Colorado and spent almost the next ten years working for the Colorado Department of Corrections at the Sterling Correctional Facility before returning to Montana in 2007. He spent one year as a Child Protection Specialist before returning to Alpha House as the Operations Supervisor. In 2012, he joined Probation and Parole, achieving the rank of Deputy Chief before retiring from the State of Montana and returning once again to Alpha House. If you ask him, Alternatives is a great place to work.
Contact Info: [email protected] or 406-259-9695 ext. 222
Bobbi Jo Walla
Program Supervisor
Bobbi Jo began her career in Human Services at Youth Dynamics, Inc. in 1994. She completed her Associates of Applied Science in Information Technology from Miles Community College in 2000, and in 2001 began working for the Department of Public Health and Human Services for the next 11 years. She received a Bachelor of Science in Management from Kaplan University in 2004. She received her Master of Science in Criminal Justice with concentrations in Corrections & Offender Rehabilitation and Analysis of Criminal Behavior from the University of Cincinnati in 2023. She has worked for Alternatives, Inc. since 2013, having held several positions within the agency.
Contact Info: [email protected] or 406-259-9695 ext. 154
Jennifer Spencer
Administrative Assistant Supervisor
Jennifer Spencer is married and has two daughters and two sons. She began working at Alpha House in January 2016 in the Records Department, soon working her way to Administrative Support Lead and currently holds the position Administrative Support Supervisor. She enjoys camping and spending time with her family.
Contact Info: [email protected] or 406-259-9695 ext. 153