Meet your evolving needs with three integrated business lines in one professional services firm.

Investment advisory services are offered through CliftonLarsonAllen Wealth Advisors, LLC, an SEC-registered investment advisor.

Casey Zwettler


Bachelor of business administration in accounting, University of Wisconsin-Madison
Master of Accountancy, University of Wisconsin-Madison


Ten years audit experience, including four years with a Big Four firm. Extensive experience working with a variety of organizations, with a focus on the nonprofit and health care industries. Casey worked in private industry for more than five years as an internal auditor, with a focus on process improvements and efficiencies.

Technical experience includes audit and accounting services, data analysis, internal audits, and single audits.

Speaking engagements


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In the community

American Institute of Certified Public Accountants
Wisconsin Institute of Certified Public Accountants