ABOUT US

At Yellowstone Tax & Accounting, PC, our experienced professionals are dedicated to providing thorough and insightful financial guidance. We believe in building strong relationships with our clients and taking the time to understand their unique needs and goals. Our collaborative approach ensures every client receives the personalized attention they deserve.

  • Tim Poley, CPA

    Partner

    Certified Public Accountant
    American Institute of Certified Public Accountants
    Wyoming Society of Certified Public Accountants

  • Amanda Stevens, CPA

    Senior Tax Accountant

    Certified Public Accountant
    American Institute of Certified Public Accountants
    Wyoming Society of Certified Public Accountants

  • Ole Sondeno, CPA

    Senior Tax Accountant

    Certified Public Accountant
    American Institute of Certified Public Accountants
    Wyoming Society of Certified Public Accountants

  • Alexis Switzer

    Staff Accountant

    Enrolled Agent

  • Chris Lindahl

    Staff Accountant

  • Becky Wood

    Accountant

  • Jennifer Rosencranse

    Accountant

  • Cassie Troyer

    Accountant

  • Sheree Bullock

    Administrative Assistant

    Notary Public

Tim was born and raised in Cody, Wyoming. He attended Northwest College in Powell and the University of Wyoming, where he graduated in June 2007 with a Master of Science in Accounting. In 2007, Tim started his professional accounting career, and seventeen years later, in September of 2024, he started his own firm, Yellowstone Tax and Accounting, P.C. He is a member of the American Institute of Certified Public Accountants, the Wyoming Society of CPAs, and the Cody Elks Club. His specialties include financial planning and tax services for businesses, individuals, and estates. In his free time, Tim enjoys spending time with his family, hunting, fishing, and watching baseball.

Meet Tim Poley, CPA

Get to know the rest of our staff

  • Born near Crazy Mountains in Montana, Ole moved to Cody and graduated from Cody High School in 2001. He pursued higher education at various institutions, culminating in a Summa Cum Laude bachelor’s degree in accounting from Liberty University. Ole leverages his diverse experience to provide comprehensive tax, planning, and accounting services to clients. He is committed to serving clients with compassion and understanding, forging personal connections in the often-impersonal fields of taxation and accounting. Outside of work, Ole is involved in his church community and non-profit organizations and enjoys spending time with his family, pursuing culinary interests, and engaging in outdoor activities.

  • Lexi is an Enrolled Agent at Yellowstone Tax and Accounting. Lexi obtained a degree in Business Administration with a concentration in accounting from Rocky Mountain College in 2020, and moved to Cody, Wyoming shortly thereafter. Originally from upstate New York, Lexi shares a strong connection to the outdoors. In her free time, she enjoys hiking, hunting, fishing, camping, and traveling, often accompanied by her dog.

  • Originally from New Hampshire, Chris Lindahl moved to Cody with his family in 2009 after growing up in Sheridan, Wyoming. He earned his bachelor’s degree in accounting from Dickinson State University and a master’s degree in accounting from Saint Joseph’s College. Currently serving on the Cody Pride Softball board of directors, Chris enjoys spending his free time fishing and supporting his children's softball and baseball activities.

  • Becky is an accountant at Yellowstone Tax and Accounting PC. She manages general bookkeeping, financial statements, payroll processing and reporting, sales tax, and income tax preparation. With over 30 years of experience, she graduated with an associate degree in accounting in 1989 and immediately began working for a CPA firm in Junction City, Kansas. When not working, Becky enjoys spending time with her family, pets, and exploring the outdoors through hiking or UTV rides. She also maintains an active lifestyle by working out at the Cody Rec Center at least three times a week.

  • Jenni is a long-time Cody resident who appreciates the area's offerings. She holds an Associate’s degree in Business from Northwest College and a Bachelor’s degree in Finance from Montana State University-Billings. With experience in municipal government and running a business with her husband for 23 years, Jenni brings a diverse skill set to the accounting and bookkeeping services offered to clients. In her leisure time, Jenni enjoys spending time with her family in the mountains, fishing, hiking, and engaging in outdoor activities like side-by-side riding and snowmobiling.

  • Cassie moved to Wyoming in 2015 and resides in Ralston with her husband Glen. She holds an Associate’s degree in Business Administration and is pursuing a Bachelor’s degree in Business Management. After working as an escrow agent at Park County Title Company for over six years, Cassie joined Yellowstone Tax & Accounting to utilize her skills in numbers and bookkeeping. She enjoys spending time with her family and pets, and exploring Wyoming's outdoors through camping, kayaking, and motorcycle trips.

  • A Cody native, Sheree Bullock attended Northwest College, studying elementary education. She has been working with Tim Poley since 2008 and is excited to join the team at Yellowstone Tax & Accounting, P.C. as their Administrative Assistant. In her free time, Sheree enjoys riding her motorcycle and spending time with family and friends, often engaging in outdoor activities like camping, fishing, paddleboarding, and creating lasting memories.