Tucson Office Partners

  • Dave Barber

    Partner-in-Charge, CPA/CFE/CGMA

    Dave Barber has many years of experience serving the needs of a wide variety of audit and tax clients, including over 10 years with our firm. A partner active in all aspects of our services, he currently serves a number of commercial clients in the manufacturing, healthcare, construction and nonprofit industries. He also provides income tax services to individuals and small businesses. Dave also serves as Partner-in-Charge of the Tucson office.

    As a certified fraud examiner, Dave is able to assist clients in strengthening their internal controls in order to prevent fraud and he provides consulting and litigation support in fraud-related matters.

    Dave is also a Chartered Global Management Accountant (CGMA). Management accountants are trusted to guide critical business decisions and drive strong business performance. They combine financial expertise and business acumen to achieve sustainable business success.

    A graduate of the University of Illinois, Dave is a member of the American Institute of Certified Public Accountants, Arizona Society of Certified Public Accountants, Association of Certified Fraud Examiners, and the Healthcare Financial Managers Association. Dave is active in the Tucson Sunrise Rotary Club, Caballeros del Sol, and Catalina Council of Boy Scouts.

  • Nicole T Simpson CPA

    Nicole Harrigan

    Partner, CPA

    Nicole T Simpson CPA

    With over 12 years of experience, Nicole became a partner of the firm in 2009. Specializing in the areas of individual, partnership and corporate taxation, she is also skilled in services for small businesses, including management consulting, accounting, and bookkeeping. As a certified QuickBooks ProAdvisor, Nicole is able to also assist with the implementation and troubleshooting of QuickBooks files. Working closely with clients, personal service is very important to Nicole. Heading up our tax department, Nicole is instrumental in our success during our busy tax season. She has mentored many of our younger staff and played a significant role in their success in the industry.

    A graduate of the University of Arizona, Nicole is a member of the American Institute of Certified Public Accountants, Arizona Society of Certified Public Accountants, and Southern Arizona Association of Estate Planners.

  • Susan Vos

    Audit Partner, CPA/CFE

    Susan has an outstanding auditing background and unique forensic accounting skills that help us effectively serve our business and non-profit clients. On September 1, 2013 the firm recognized Susan’s accomplishments by adding her to our partner group, after two years serving as Audit Manager for the firm.

    A Certified Fraud Examiner, Susan received a Master of Accounting from the University of Arizona and graduated from the University of Phoenix. She is a member of the American Institute of Certified Public Accountants, Arizona Society of Certified Public Accountants, and Association of Certified Fraud Examiners.

    Susan is a President of the Tucson KeyGroup, an invitation only organization of women who are in an executive or top leadership position in their business and are considered exceptional in their field.  She also currently serves on the Board of Trustees and Finance Committee of San Miguel High School.

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