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.

Mr. Tenenbaum was the 2006 recipient of the American Bar Association's Outstanding Nonprofit Lawyer of the Year Award, and was an inaugural (2004) recipient of the Washington Business Journal's Top Washington Lawyers Award. He was one of only a handful of "Leading Lawyers" in the prestigious U.S. Legal 500 Not-for-Profit rankings from 2012-18 and is one of only five lawyers in the U.S. Legal 500 Not-for-Profit "Hall of Fame." Mr. Tenenbaum is listed in the 2012-20 editions of The Best Lawyers in America® for Non-Profit/Charities Law, and was selected for inclusion in the 2014-19 editions of Washington, DC Super Lawyers in the Nonprofit Organizations category. He was the 2015 recipient of the New York Society of Association Executives' Outstanding Associate Member Award, the 2004 recipient of The Center for Association Leadership's Chairman's Award, and the 1997 recipient of the Greater Washington Society of Association Executives' Chairman's Award. Mr. Tenenbaum was recognized in 2013 as a Top Rated Lawyer in Tax Law by The American Lawyer and Corporate Counsel, and in 2011, was named as one of Washington, DC's "Legal Elite" by SmartCEO. He has been listed in the annual editions of Who's Who in American Law and Who's Who in America since 2005, was a 2008-09 Fellow of the Bar Association of the District of Columbia, and is AV® Peer-Review Rated by Martindale-Hubbell.

Mr. Tenenbaum is the author of the book, Association Tax Compliance Guide, now in its second edition, published by the American Society of Association Executives. He also is a contributor to numerous ASAE books, including Professional Practices in Association Management, Association Law Compendium, The Power of Partnership, Essentials of the Profession Learning System, Generating and Managing Non-Dues Revenue in Associations, and several Information Background Kits. In addition, he is a contributor to Exposed: A Legal Field Guide for Nonprofit Executives, published by the Nonprofit Risk Management Center. Mr. Tenenbaum is a frequent author on nonprofit legal topics, having written or co-written more than 1,000 articles.

Mr. Tenenbaum is a frequent lecturer on nonprofit legal topics, having delivered or moderated over 850 speaking presentations. He served on the faculty of the ASAE Virtual Law School, and is a regular commentator on nonprofit legal issues for NBC News, The Washington Post, The New York Times, The Wall Street Journal, Los Angeles Times, The Washington Times, The Baltimore Sun, ESPN.com, Washington Business Journal, Legal Times, Association Trends, CEO Update, Forbes, The Chronicle of Philanthropy, The NonProfit Times, Politico, Bloomberg Business, Bloomberg BNA, EO Tax Journal, and other periodicals. He also has been interviewed on nonprofit legal topics on Washington, DC CBS-TV affiliate, the Washington, DC Fox-TV affiliate's morning new program, Voice of America Business Radio, Nonprofit Spark Radio, The Inner Loop Radio, and Through the Noise podcasts.



Speaking Engagements

Professional Affiliations

  • 2018-Present, Chair, Trade and Professional Associations Subcommittee, American Bar Association's Nonprofit Organizations Committee
  • 2018-Present, Member, American Society of Association Executives' Legal Section Council
  • 2018-Present, Member, American Society of Association Executives' Public Policy Committee
  • 2018-Present, Member, American Bar Association's Nonprofit Organizations Committee
  • 2013-Present, Advisory Panel, Wiley/Jossey-Bass' Nonprofit Business Advisor
  • 2016-Present, Contributing Editor, The NonProfit Times
  • Past Member, Selection Panel, CEO Update's Association Leadership Awards
  • Past Member, American Society of Association Executives' Legal Section Council
  • Past Member, Editorial Advisory Board, American Society of Association Executives' Association Law & Policy
  • Past Member, American Society of Association Executives’ Association Management Company Accreditation Commission
  • Past Member, Board of Trustees, Greater Washington Society of Association Executives Foundation
  • Past Member, Government and Public Affairs Advisory Council, Greater Washington Society of Association Executives
  • Past Member, Editorial Advisory Board, Aspen's Nonprofit Tax & Financial Strategies


  • 2003-2017, Partner and Chair of the Nonprofit Organizations Practice, Venable LLP, Washington, DC
  • 1999-2002, Of Counsel, Nonprofit Organizations Practice, Venable LLP, Washington, DC
  • 1995-1999, Associate, Trade and Professional Associations Practice, Galland Kharasch & Garinkle, PC, Washington, DC
  • 1992-1995, Legal Section Manager, American Society of Association Executives, Washington, DC
  • 1990-1992, Legislative Assistant, Rep. Peter H. Kostmayer, U.S. House of Representatives, Washington, DC

Representative Matters

Representative Clients

  • AcademyHealth
  • Academy of Medical-Surgical Nurses
  • Academy of Neurologic Physical Therapy
  • AHRA: The Association for Medical Imaging Management
  • Air Conditioning Contractors of America
  • Air Conditioning, Heating, and Refrigeration Institute
  • Air Force Association
  • American Academy of Matrimonial Lawyers

  • American Academy of Orthopaedic Surgeons

  • American Association for State and Local History

  • The American College of Trust and Estate Counsel

  • American Council of Engineering Companies
  • American Forest Foundation
  • American Iron and Steel Institute
  • The American Physiological Society
  • American String Teachers Association
  • American Traffic Safety Services Association
  • American Water Resources Association

  • Association for Community Affiliated Plans

  • Association of Corporate Counsel 
  • Association of Fundraising Professionals DC Metro Chapter
  • Association of Pathology Chairs
  • Association of Science-Technology Centers

  • Association of Talent Development
  • Building Industry Association of Central South Carolina
  • California Dental Association
  • The Citizens Foundation, USA
  • CGFNS International
  • Computer Science Teachers Association

  • Consortium for Local Ownership and Use of Data

  • Disability Management Employer Coalition
  • Environmental Working Group
  • The Evangelical Alliance Mission d/b/a TEAM
  • Farm Forward
  • First Responder Center for Excellence for Reducing Occupational Illness, Injuries and Deaths
  • Food Allergy Fund
  • Freedom Forum
  • Freedom Forum Institute
  • Global Emergency Relief, Recovery & Reconstruction
  • Globe-athon International

  • Homeownership Preservation Foundation
  • Hope LoanPort
  • Hospitality Sales and Marketing Association International – Global
  • HSMAI Foundation
  • Human Resource Certification Institute
  • IMO 2021
  • Independent Alumni Association of George Washington
  • The Institute of Navigation
  • International Association of Workforce Professionals
  • The International Center
  • International Society of Behavioral Medicine
  • Investment Company Institute

  • Investment Company Institute Education Foundation
  • International Premium Cigar & Pipe Retailers Association
  • Ladies Professional Golf Association
  • Maryland Horse Council

  • Mathematical Association of America


  • McKinley Advisors
  • MED-Project
  • ment’or
  • Metacred
  • The Myositis Association

  • NASW Assurance Services
  • National Agricultural Aviation Association

  • National Association of Corporate Directors
  • National Association of Medicaid Directors
  • National Club Association
  • National Coalition for Cancer Survivorship
  • National Committee on Uniform Traffic Control Devices

  • National Council of University Research Administrators

  • National Fallen Firefighters Foundation
  • National Fish and Wildlife Foundation
  • National Grain and Feed Association

  • National Independent Automobile Dealers Association
  • National Investor Relations Institute

  • National Multifamily Housing Council
  • National Park Foundation

  • National Rural Utilities Cooperative Finance Corporation
  • Newseum
  • NIGP: The Institute of Public Procurement 
  • Nuclear Energy Institute 

  • Nueces Mosque
  • Ohio School Boards Association
  • Pact
  • Paralyzed Veterans of America
  • Pharmaceutical Product Stewardship Working Group

  • Phi Delta Kappa International

  • Population Action International
  • Prabhuji Mission
  • The Quetzal Trust
  • Resonance

  • Retail Industry Leaders Association
  • RiskLens

  • Risk and Insurance Management Society
  • Romance Writers of America
  • Society of Hispanic Professional Engineers
  • Society for Imaging Informatics in Medicine
  • Special Libraries Association
  • Stella & Dot
  • Strategic & Competitive Intelligence Professionals

  • The Sunwater Institute
  • Texas Association of School Boards
  • United Communities Volunteer Fire Department

  • USENIX Association

  • USFN – America’s Mortgage Banking Attorneys
  • Water For People

  • William “Bill” Simons Scholarship Fund

  • Women in Cable Telecommunications
  • The Younique Foundation

In the News


  • J.D., Catholic University of America, Columbus School of Law, 1996
  • B.A., Political Science, University of Pennsylvania, 1990

Bar Admissions

  • District of Columbia
  • U.S. Tax Court