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About Us

About Our Firm

We provide excellent and attentive client service.  Our backgrounds include large accounting firm and industry experience and an overall business perspective.  We have chosen to practice in a small firm environment allowing us to be more responsive to our clients' needs. 

Karen P. Dawson, CPA
Karen received her B.S. in Business from the University of Colorado, Boulder in 1987 and became a Certified Public Accountant in 1991.  Before joining the firm, she worked for a number of years with the Ernst & Young Denver office as an auditor, and then moved into financial reporting and payroll management roles at Time Warner Cable and Corporate Express.  Karen enjoys working with clients in various areas of business including professional offices, non-profit organizations, educational institutions, residential and commercial rental property management, and a cupcake bakery!  In her personal time, Karen enjoys gardening, cooking, and bicycling.

Cathy A. Ziemba, CPA
Cathy received her Bachelor of Science in Finance from Metropolitan State College and did her graduate accounting studies work at the University of Colorado at Denver becoming a Certified Public Accountant in 2000.  Prior to joining the firm, she worked for the Grant Thornton LLP Denver office, specializing in state and local taxation issues, and for Kingsbery CPAs in Boulder, CO.  Cathy enjoys working with individuals and families and their small businesses in a large variety of industries.  Away from the office, Cathy enjoys playing tennis, hiking, biking, and traveling with her husband.

Our Mission

Our mission is to provide personalized tax and accounting assistance to our clients using open communication to reach an understanding of their needs, and to provide thoughtful and timely advice.  Dawson & Ziemba, P.C., CPAs is dedicated to meeting these goals with high standards of excellence and professionalism.


Karen Dawson
Tel: 303-554-0129
Fax: 303-554-0135

Cathy Ziemba
Tel: 303-940-1908
Fax: 303-422-0885