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Daniel Semmler


Daniel is a manager in the Yankton, South Dakota office of Williams & Company, P.C. He joined the firm in 2011 as an intern and then became a full-time staff accountant in December of 2011. In January 2017 Daniel was promoted to Manager. Daniel’s responsibilities include: income tax preparation, auditing and accounting services, QuickBooks accounting systems assistance, preparation of compiled and reviewed financial statements and cooperative taxation.

Daniel is a graduate of the University of South Dakota, earning his Master of Professional Accountancy in 2011. Dan earned his CPA certification in the state of South Dakota in December 2016.

His professional affiliations include the American Institute of Certified Public Accountants, South Dakota CPA Society, National Society of Accountants for Cooperatives and QuickBooks Online Pro Advisor. Daniel’s community involvement includes President-Elect of the Yankton Sertoma Club, Trinity Lutheran Church Treasurer, Yankton Area Foundation Board of Directors and Hillcrest Pro-Am committee member.

Contact Daniel directly