Flagstaff, AZ


James David Cosper, CPA, has been in public practice for over 35 years and joined Haynie & Company in 2019. He graduated with Bachelor of Science and Masters of Business Administration degrees in Accounting from Northern Arizona University. Dave Cosper is a member of the American Institute of Certified Public Accountants, the Arizona Society of CPAs and the Institute of Internal Auditors.


Dave’s areas of expertise include tax planning and consulting for corporate, partnership and individual clients, and audits and reviews of for-profit and non-profit organizations. He works with clients in a variety of industries including non-profit, real estate, professional services, agriculture, healthcare, construction and auto dealerships.


Dave and his wife Joan have been married since 1973. They have two sons and two grandchildren, with whom they love to spend time.