J.J. Harwayne Leitner has a multi-disciplinary practice representing tax-exempt organizations of all types and sizes, including private foundations, private operating foundations, public charities, supporting organizations, "friends of" organizations, donor advised funds, social welfare organizations, and business leagues. She counsels on all tax laws pertaining to exempt organizations, including private foundation excise taxes, taxation of unrelated business income, private benefit and inurement, intermediate sanctions, and lobbying and political activities. J.J.'s practice also includes the formation of new organizations and obtaining federal and state tax exemptions; nationwide state charitable solicitation issues; and corporate governance matters and complex corporate transactions, including joint ventures, spin-offs, mergers, conversions, and asset sales. As outside general counsel to many of her clients, she also regularly counsels in connection with contract matters, both routine and extraordinary, as well as employment, real estate, and intellectual property issues.