Principal
Cory Wheeler grew up on his family farm in Fairview, Montana where he learned the importance of hard work and perseverance. Upon graduation he spent six years in the Army as a Blackhawk helicopter mechanic where dedication and precision were imperative. Graduating Suma Cum Laude from North Dakota State University with a Masters in Accountancy, he returned to his roots in Richland County. He has been at Wheeler, Bieber and Associates since 2010. His interests involve family, farming, and bringing back the skills, traits, and self-sufficiency of the old homesteaders through sausage-making and perhaps making a little shine.
Principal
Amy Bieber was born and raised in Sidney, Montana. She attended Montana State University – Billings, graduating with a bachelor’s degree in accounting and minor in finance. During her time in Billings, she received multiple accounting awards and published work in the Journal of Accounting and Taxation. After college, Amy was drawn back to her hometown and began working at Smith, Lange & Halley, PC, now Wheeler, Bieber and Associates. In her own words, accounting is her favorite! Every day brings a new challenge, adventure and opportunity. When she does leave the office, she spends her time working toward a fourth degree black belt in Tae Kwon Do, expanding her horizons into additional martials arts, and dabbling in other various creative outlets.
Administrative Lead
Diane Miller started with our firm in December of 2017 and is the first smiling face you see when you walk in our door. Diane’s positivity and friendliness shines throughout the office. Previously, she worked at various office jobs in the surrounding area from which she brought a vast array of administrative knowledge. She thoroughly enjoys the day-to-day client interactions and assisting clients wherever possible. She has lived in the Fairview area her entire life and has three children, Joseph, Jamie and Jerrick, and five grandchildren. Throughout the year she stays busy trying to keep up with all the grandkids’ activities. You can most often find her outside working in her yard and garden or having fun in the sun at the lake. Of course, her favorite time is spent traveling and with her family and friends.
Payroll Manager/Office Manager
Lori Obergfell is currently the Payroll Manager and Office Manager at Wheeler, Bieber and Associates. She started her career in 1986 at Child and Smith, PC and has experienced numerous owner transitions over the years. Throughout her 37 years working in payroll and accounting, she has navigated through several payroll and accounting changes. Her vast experience brings a wealth of knowledge to our firm and she is always up for the challenge of more changes. Lori was born and raised in Richland County. She and her husband Richard have three grown children and five grandchildren. Outside of work, she keeps plenty busy farming and ranching on the Obergfell family farm southeast of Sidney. When she does get a little time off, Lori enjoys traveling and following their grandchildren’s activities.
Payroll Assistant
Chelsea Rogers is the newest member of our team. In 2023, she received her Associates degree in Accounting Technology from Miles Community College. In her current role, she assists with all things payroll including processing employee paychecks, making tax deposits, filing payroll reports and helping clients with audits and other special reporting. Her keen eye for detail and strong work ethic make her a perfect fit for this position. Chelsea is a Montana native and has been part of the Sidney community for seven years. She enjoys spending time with her husband, their two kids and two dogs.
Senior Accountant
Jill Vitt originally joined our firm in 2019 as a seasonal employee. Due to her quick wit and impressive work ethic, we insisted she come work full-time. In her current role as a Senior Accountant, she is primarily responsible for corporate and partnership tax returns, bookkeeping, and keeping up the office morale by cracking lame jokes. Prior to this role, she worked in the payroll department and her experience provides for an extremely well-rounded knowledge base. Jill has also been able to put the versatility provided by her business degree earned at the University of Mary to good use over the years with her focus on attention to detail, problem solving and forward-thinking. Whether helping her husband Dale run their Registered Angus Ranch at Sioux Pass, running their youngest around to her many activities, or spending time enjoying her family, she remains busy year-round.
Staff Accountant
Bobbi Cozzens joined the firm during the 2021 tax season, working in the front office and assisting with general office duties. Beginning in 2022, she has taken on the duties of a Staff Accountant which include bookkeeping, tax return preparation, audit assistance and more. So far she is enjoying the challenges of a busy office and helping coworkers and clients with their needs. Bobbi was born and raised in the Sidney area, but moved away to attend college and start a family. She and her husband Mark moved back to the Fairview area in 2010 to be closer to family. They have four kids and numerous animals. They spend a lot of their spare time chasing kids to their various school and sporting events. When not at work, Bobbi enjoys spending time at home reading, sewing and gardening. Her favorite pastime is camping and boating with friends and family during the summer.
Staff Accountant
Kassadee (Kass) started with our firm in the fall of 2022, while finishing up her high school degree. She graduated as the valedictorian from Sidney High School in May 2023. Her next step is to attend Montana State University – Billings for her degrees in accounting and finance and eventually sit for the CPA exam. Within our firm, Kass works as a Staff Accountant, assisting with a wide range of accounting duties. Kass was born and raised in Sidney, and the majority of her family lives in the area. For fun, she designs kitchens and operates the board at a local radio station on the weekends. Outside of school and work, she enjoys baking and playing video games and board games with friends.
Seasonal Tax
Julie Minow has worked every tax season at our firm since 2000. Her primary responsibilities include preparing and filing 1099’s, general office duties, and overall keeping the office in line during the tax season. In the off-season, she and her husband Darrel operate the family farm and ranch near Squaw Gap. They have three children, Jessica, Mikayla and Lindsay, and four grandchildren so there is never a dull moment. When there is a little down time, Julie enjoys traveling and spending time with family and friends.