Jeff Tenenbaum, Esq.

Chair of the Nonprofit Organzations Practice, Lewis Baach Kaufmann Middlemiss PLLC


Jeff Tenenbaum is one of the nation’s leading nonprofit attorneys, and also is an accomplished author, lecturer, and commentator on nonprofit legal matters. As Senior Counsel in the Washington, DC office of the Lewis Baach Kaufmann Middlemiss PLLC law firm and head of the firm’s nonprofit law practice, Mr. Tenenbaum counsels his clients on the broad array of legal issues affecting charities, trade and professional associations, foundations, international NGOs, arts and cultural institutions, think tanks, and other nonprofit organizations, and regularly represents clients before Congress, federal and state regulatory agencies, and in connection with governmental investigations, enforcement actions, litigation, and in dealing with the media. He has extensive experience with a broad array of nonprofit legal issues, including tax and federal tax exemption, corporate governance, copyrights and trademarks, meeting, vendor, and other contracts, grants, fundraising regulation and commercial co-ventures, charitable gift restrictions, employment law and CEO employment contracts, antitrust, certification and standard-setting, mergers and joint ventures, chapters, subsidiaries, and affiliates, lobbying and political activity regulation, insurance, and international operations, among others.

Mr. Tenenbaum is frequently called upon by major media outlets—in television, radio, print, and elsewhere—to provide commentary on news stories involving nonprofit legal issues and developments and has served as an expert witness in several court cases on nonprofit legal matters. For 19 years, he practiced law at Venable LLP in Washington, DC; he was a partner and chaired its nonprofit practice for most of that time, served on the firm’s Board of Directors for many years, and co-chaired the firm’s management review process in 2016. Mr. Tenenbaum started his career in the nonprofit community by serving as Legal Section manager at the American Society of Association Executives, following several years working on Capitol Hill as a legislative assistant.

All sessions by Jeff Tenenbaum, Esq.