Alliance of Congressional STEM Fellowships is a Delaware nonprofit corporation operating through a fiscal sponsorship with Players Philanthropy Fund, Inc., a Texas nonprofit corporation recognized by IRS as a tax-exempt public charity under Section 501(c)(3) of the Internal Revenue Code (Federal Tax ID: 27-6601178,ppf.org/pp). Contributions to Alliance of Congressional STEM Fellowships qualify as tax-deductible to the fullest extent of the law..