Kathryn Okimoto Kathryn is a principal in the tax services group at Clark Nuber P.S., and has been with the firm for 15 years. She works exclusively with private foundations, public charities and their related entities assisting them with tax compliance and consulting matters, including federal and state tax filings, unrelated business taxable income issues, alternative investments, foreign reporting, IRS audit readiness, payout modeling and grant file completeness. Kathryn was a contributing writer and editor for the Form 990 Compliance Guide and Private Foundation Handbook and Compliance Guide, both published by CCH. She is a member of the Washington Society of CPAs, AICPA and is licensed both in Washington State and Hawaii.