Red Tree CPAs proudly provides over 140 years of combined accounting and tax services experience. Meet our team below.

John O. Weber CPA

John O. Weber, CPA, is the founding father of the Firm and has been a shareholder since 1975. His practice includes C- and S-corporation, estate, trust, partnership and individual income tax preparation and planning, compilation and review of financial statements, and business consulting. John has extensive experience in real estate transactions, farm and ranch, planning for the purchase or sale of a business, estate planning, and insolvency and bankruptcy matters. Prior to founding the Firm, he worked in the audit department of a national firm and for a regional Montana firm. John received his accounting degree from Montana State University – Bozeman. John also serves on the board of directors for a regional bank system and volunteers on the board for several local non-profits.

Mark E. Stevenson CPA

Mark E. Stevenson, CPA, joined the Firm in 1993 and became a shareholder in 2001. His practice includes income tax preparation, planning and accounting for C-corporation, S-corporation, estate, trust, partnership, closely-held companies, family businesses, consolidated companies, and individual clients. In addition, he performs services in estate and gift planning, management consulting, and financial statement preparation. Mark has extensive experience in working with farm and ranch clients, radio stations, construction companies, equipment rental and leasing, law firms and other professional businesses. Mark received his accounting degree from the University of Montana. He also serves on the boards of sports and non-profit organizations.

Bradley D. Brown CPA

Bradley D. Brown, CPA, joined the firm in 1995 and became a shareholder in 2001. A majority of Brad’s practice consists of income taxation strategy and preparation for individuals and small-to-medium sized businesses in gaming, manufacturing, retail, dental, real estate and trucking industries. Brad also provides accounting services (including in-house comptroller services), financial statement preparation, and management consulting services. Brad has received specialized training and experience in all phases of accounting and taxation as it relates to the Gaming Industry. Prior to joining WDJ, he worked within the audit division of an international accounting firm in Las Vegas. Brad received his accounting degree from the University of Nevada, Las Vegas.

G. Jay Badgett CPA

G. Jay Badgett, CPA, joined the Firm in 2002 and became a shareholder in 2007. He has been in public accounting since 1993. Prior to joining the Firm, Jay was a branch manager for a CPA firm in South Dakota. His practice includes C-corporation, S-corporation, partnership, and individual income tax preparation, tax planning and accounting services. Jay received his accounting degree from Black Hills State University in Spearfish, SD.

Nicholas Hecimovic CPA

Nicholas D. Hecimovic, CPA, joined the Firm in 2017 and became a shareholder in 2019. He has several years of experience in accounting services, taxation and auditing. His work includes corporation, partnership, and individual income tax preparation, tax planning and accounting services. Nicholas has extensive experience in working with farm and ranch clients, restaurants and construction companies. He serves on the boards of local non-profit organizations. Nicholas received his bachelor’s and master’s accounting degrees the University of Montana.

Joni Feldhauser CPA

Joni Feldhauser joined the Firm in 2017.  She graduated from Colorado State University with a degree in accounting.  Joni holds a current CPA license in Colorado with twenty-six years experience in public accounting.  Joni and her husband recently moved to Montana to be close to family and brought with them a love for the outdoors. Joni’s experience is essential to the quality advice we give our clients

Shannon Sedlacek

Shannon joined the firm in 2012. She is a graduate of Montana State University-Billings, with a Bachelor of Science in Business Administration, emphasis in Accounting. Her work includes individual income tax preparation, bookkeeping and payroll services in variety of industries. She is a certified QuickBooks Pro Advisor.

Ashton Speakthunder

Ashton Speakthunder joined the Firm in 2015. She graduated from Skyview High School in 2008 and attended MSU-Billings. She has experience in general ledger bookkeeping and takes care of the preparation and maintenance of accounts payable and receivable, client statements, and bank statement reconciliation. Ashton is instrumental in administering our front office.

Bonnie Nicol Secretary/Receptionist

Bonnie Nicol joined the firm in 1997. Bonnie graduated High School from Nashua High School, Nashua, MT in 1981 and graduated from Northern MT College of Havre, MT in 1985. She has experience in tax & payroll processing as well as various secretarial job duties. Bonnie is the first person you will meet at our firm and we can guarantee she will remember your name!