Celia Davis Celia is a senior manager in the tax services group at Clark Nuber P.S., and has been with the firm for 10 years. Her practice focuses on serving private foundations, public charities, and charitably inclined individuals. She provides tax compliance and consulting on matters such as charitable gift planning, federal and state tax filings, payout modeling, unrelated business taxable income, alternative investments, and foreign reporting. Celia is a graduate of the University of Washington and is licensed in Washington State. She is a contributing writer and editor for the Form 990 Compliance Guide published by CCH and is a member of the Washington Society of CPAs and the AICPA.