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7430 E. Caley Avenue Suite 300E
Centennial, CO 80111
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1 (303) 741 2253

Team

Aaron Bagby, CPA

Aaron Bagby, CPA leads Kramer, Jensen & Bagby, LLC, where he advises individuals, businesses, estates, and trusts on tax compliance, planning, and complex tax matters. He works closely with business owners and individuals, helping clients navigate everything from annual tax filings to sophisticated tax planning with practical, personalized advice. Aaron believes the best tax advice combines technical expertise with responsive, relationship-driven client service. Aaron began his public accounting career with Ernst & Young, where he developed a strong technical foundation serving public and private companies and later worked on the firm's National Tax Team. He subsequently joined a regional Colorado CPA firm before joining Kramer, Jensen & Bagby. Aaron is a Certified Public Accountant licensed in Colorado and holds a Master of Professional Accountancy with an emphasis in Tax from Metropolitan State University of Denver. He also earned Bachelor's and Master's degrees in music from Ohio University and the University of Colorado-Boulder. Outside the office, Aaron enjoys spending time with his wife, Katie, and their three daughters, Bridget, Hazel, and Penelope. He also enjoys traveling, performing and listening to music, and—despite decades of disappointment—remains a loyal Cincinnati Reds fan.

Russ Kramer, CPA In Memoriam (2011)

Russ’s experience as a CPA for over 45 years included service with accounting firms Arthur Andersen, McGladery & Pullen and others. He focused on tax planning and compliance, as well as financial planning, business consulting, and litigation support services. He provided valuation opinions on closely held business interests and testified as an expert witness in numerous matters. Russ was a graduate of the University of Denver. As a CPA Russ developed excellent relationships with his clients. Russ left a professional legacy of always focusing on providing the personal touch to clients which Kramer, Jensen & Bagby, LLC continues to strive to follow.

Tony Tharp, CPA

Tony started his public accounting career in New Your City with a regional CPA firm.  He graduated with an MBA in Public Accounting from St. John's University.  While working in New York, he gained experience in financial accounting by performing audit, review and compilation engagements.  In addition, he also prepared income tax returns for individuals and businesses.  Tony's undergraduate degree was from the University of Texas at El Paso where he majored in finance and minored in accounting.  He returned to Denver in 1995 where he was born.  Since returning to Colorado from New York, he has worked for several CPA firms in Denver and has done primarily income tax preparation for the last seven years.  Tony enjoys playing an occasional round of golf and is also an avid fly fisherman.  He also enjoys spending time with his wife working in their garden and exploring the mountains of Colorado.  He and his wife also enjoy traveling when they both have the time to do so.

Mitch Mitchell, CPA

Mitch Mitchell, CPA graduated from the University of Alabama with a Master of Accountancy.  Mitch worked for 9 years at an accounting firm in the Nashville, TN area where he immersed himself with a broad understanding of tax law.  His focus was high net worth clients, a majority of which worked in the entertainment industry.  The work included tax preparation, technical tax research, and compilations of financial statements.  In 2020, Mitch moved to the Denver, CO area and assumed a leadership position with a regional tax firm that assists a variety of small business clients.  At this firm, Mitch managed a location of around 10 employees and focused his time consulting clients on a wide range of tax related issues.  Mitch joined the Kramer, Jensen, and Bagby family in December of 2023 and plans to continue assisting clients and advancing his knowledge of the extensive tax code.  When he is not scouring the up-to-date changes in the tax law, Mitch enjoys staying active in the Colorado sunshine.  He is also a devoted sports fan of University of Alabama athletics as well as the Atlanta Braves.

Barbara Dreyer, Office Administrator

Barb effortlessly blends a warm, welcoming energy with a highly proactive work ethic. She keeps the office running like clockwork, bringing a truly personal touch to everything from technology support and everyday operations to client visits and conversations. Thanks to her deep background in client relations, Barb excels at anticipating needs ahead of time, laying the perfect foundation for strong, long-lasting business relationships. She values open communication, total confidentiality, and constant learning above all else. Barb brought her talents to Kramer, Jensen & Bagby in the summer of 2026 after spending several years supporting finance, engineering, and accounting firms across Minnesota and Colorado. When she isn't keeping the team organized, you can find her out hiking with her dog Henri, snapping photos, or hosting playdates with her local grandkids. She also loves volunteering at her church and unwinding with great music, craft beer, and good food.

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