Tenenbaum Law Group PLLC > Washington, DC, United States > Firm Profile

Tenenbaum Law Group PLLC
601 13th St NW
12th Floor
20005
United States

Tax > Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities) Tier 3

Boutique firm Tenenbaum Law Group PLLC has seen rapid growth since its establishment in 2020 and now works with an expansive roster of clients from the medical, sustainability, and cultural sectors, among others. Jeffrey Tenenbaum leads the team and is known as a ‘leading expert in the field’, covering a broad range of issues relating to IP, antitrust, and charitable gift restrictions in addition to handling internal investigations. Nisha Thakker, who co-founded the firm alongside Tenenbaum, has a particular focus on corporate governance, development, and risk management. Susan Hamsher is a further key name. All named lawyers are based in Washington DC.

Practice head(s):

Jeffrey Tenenbaum

Testimonials

‘This practice is unique because of their focus of expertise and practical solutions. They understand the business realities associations face and are not interested in simply telling them what “the law says”. Rather, they are interested in helping guide you through the nuances of a risk assessment to determine what course of action is the best for your association’s business operations.’

‘The firm specializes in everything tax-exempt nonprofit. There’s not a subject related to that world for which they lack the expertise.’

‘Jeff Tenenbaum is an excellent advisor, understanding all the needs of nonprofits with contacts throughout the sector and a personal touch that makes you feel like you’re his only client.’

‘Jeff Tenenbaum is a leading expert in the field of nonprofit law.’

‘Jeff is extremely knowledgeable and responsive.’

Key clients

340B Health

AABC Commissioning Group

AACE international

Academy of Management

AcademyHealth

Accresent

ACF Animal Rescue, USA

ADED: The Association for Driver Rehabilitation Specialists

Advanced Security Training Institute

Advanced Textiles Association

Afghan Peace Watch

Africa Relief and Community Development

AHRA: The Association for Medical Imaging Management

Air Conditioning Contractors of America

Air-Conditioning, Heating, and Refrigeration Institute

Air & Space Forces Association

Airport Consultants Council

Al-Ihsan Foundation USA

Alliance for Automotive Innovation

Alliance for Regenerative Medicine

America’s Blood Centers

America’s Public Television Stations

American Academy of Anaesthesiologists Assistants

American Academy of Esthetic Denistry

American Academy of Family Physicians

American Academy of Otolaryngic Allergy

American Academy of Pediatrics Georgia Chapter

American Airlines

American Alliance of Orthopaedic Executives

American Association of Pharmaceutical Scientists

American Association of Psychiatric Pharmacists

American Association for Clinical Chemistry

American Association of Gynecologic Laparoscopists

American Association of Naturopathic Physicians

American Association of Physics Teachers

American Association of Tissue Banks

American Booksellers Association

American College of Obstetricians & Gynecologists

American Committee for Middle East Rights

American Concrete Paving Association

American Council of Academic Physical Therapy

American Council of Engineering Companies

American Council on Education

American Cultural Resources Association

American Ethical Union

American Financial Services Associations

American Forest Foundation

American Friends of CCCRH

American Friends of the Chateau de Compiegne

American Group Psychotherapy Association

American Health Information Management Association

American Indian Science and Engineering Society

American Institute of Architects New York State

American Institute of Chemical Engineers

American Iron and Steel Institute

American Iron and Steel Institute

American Land Title Association

American Neuropsychiatric Association

American Osteopathic Association

American Psychiatric Nurses Association

American Psychological Association

American Public Transportation Association

American Saltwater Guides Association

American Short Line and Regional Railroad Association

American Society for Addiction Medicine

American Society for Colposcopy and Cervical Pathology

American Society for Health Care Human Resource Administration

American Society for Mass Spectrometry

American Society for Microbiology

American Society for Pharmacology and Experimental Therapeutics

American Society for Quality

American Society of Baking

American Society of Breast Surgeons

American Society of Health-System Pharmacists

American Society of Nephrology

American Suntanning Association

American Sustainable Business Council

American Sustainable Business Institute

American Traffic Safety Services Association

American Water Resources Association

American Watershed Initiative

Work highlights

  • Acted for the New York State Office of the Attorney General in its New York State litigation against the National Rifle Association and several of its current and former officers.
  • Advised the National Conference on Citizenship and its fiscally sponsored program the Algorithmic Transparency Institute in connection with a congressional investigation by the U.S. House of Representatives Judiciary Committee.
  • Advised FanDuel on a cooperation with other leading online sports betting operators in the United States to create a new industry trade association for the primary purpose of creating a self-regulatory accreditation program for the online sports gambling industry.

Tenenbaum Law Group PLLC is a nationally recognized, five-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations and related entities across the United States. Serving primarily as outside general counsel, the firm advises charities, trade and professional associations, international NGOs, conservation groups, arts and cultural institutions, foundations, and other nonprofits – as well as companies and executives that work with or provide services to nonprofits – on the broad array of legal issues and challenges they face. The firm brings decades of Big Law experience to bear with small firm cost-efficiency, responsiveness, and turnaround time. With a focus on workable, impactful solutions, spirited defense and advocacy, a practical understanding of the broader nonprofit context, and attorneys who take their work – but not themselves – very seriously, TLG prides itself on partnering with its clients in a strategic manner to help ensure maximum effectiveness and results.

Managing partner Jeff Tenenbaum is widely recognized as one of the nation’s most accomplished nonprofit legal practitioners, a top leader in the nonprofit bar, an accomplished author, lecturer, commentator, and expert witness on nonprofit legal matters, and a distinguished thought leader and active participant in the nonprofit legal community. Partner Nisha Thakker has spent most of her 16-year legal career in-house in the nonprofit legal world, bringing a unique, invaluable perspective to the practice. Counsel Susan Hamsher spent the majority of her 14-year legal career as an in-house attorney at The Nature Conservancy – one of the world’s largest charities – and most recently was a senior associate at a boutique Washington, DC law firm focused exclusively on the representation of nonprofit organizations. Counsel Holly Peterson served in-house at the National Association of College and University Attorneys for eight years before joining TLG and, prior to that, served for four years as a litigator in the Maryland Attorney General’s Office in its Educational Affairs Division. Prior to joining TLG, Associate Kevin Serafino served as an associate in the nonprofit organizations practice of a leading mid-Atlantic law firm, while also practicing in the firm’s Chambers-ranked political law group. Prior to that, Kevin spent more than a decade in lobbying and compliance roles for two national trade associations – the Household & Commercial Products Association and the International Franchise Association. Jeff, Nisha, Susan, Holly, and Kevin are all very active in the nonprofit legal community.

At TLG, we don’t just respond to legal questions, issues and challenges. Our lawyers think strategically with our clients to understand what their underlying goals and concerns are, develop creative solutions and options, talk through the pros and cons of various approaches, and help them make the best decisions for their organizations. Because of our combined decades of nonprofit law practice, we rarely have to reinvent the wheel, which not only provides for much more cost efficiency, but also enables us to take our advice and counsel to the next, deeper level.

We don’t tell our clients, “No, you can’t do that,” because that is almost never the case. With a nuanced understanding of the many complex laws and regulations that govern nonprofit organizations – in wide and diverse areas of law that often overlap and sometimes even work at cross-purposes – we are virtually always able to come up with workable alternatives and structures while helping our clients navigate the potential pitfalls. Our extensive experience in the nonprofit arena also enables us to never give legal advice in a vacuum, but rather to take into account the broader political, financial, business, and governance context, providing more wholistic legal counsel to our clients.

Our lawyers are volunteer leaders in the nonprofit community – with industry groups such as the American Society of Association Executives, American Bar Association, Council of Engineering and Scientific Society Executives, United Philanthropy Forum, FAR (Finance & Administration Roundtable), Greater Washington Society of CPAs, National Association of College and University Attorneys, National LGBTQ+ Bar Association, and numerous state societies of association executives, among others – helping to further our deep connection to and with the sector. We have and continue to chair and serve on key nonprofit legal industry panels, and we are frequent speakers and authors on nonprofit legal topics, delivering over 50 presentations per year and publishing numerous articles per year on new developments and critical issues.

Our attorneys serve as a continual resource to others seeking nonprofit legal expertise – not only our clients, but to members of the print, television, radio, and online media, federal and state charity regulators, industry trade groups, academics, and nonprofit industry professionals in related fields, such as accounting, insurance, and consulting. Jeff Tenenbaum also serves as an expert witness on nonprofit legal matters.

While awards and honors don’t make great lawyers, over 16 years of annual recognition from all of the leading bestowers of such awards and honors is acknowledgment in which our attorneys take humble gratification.

Finally, we take the greatest pride in the long-term relationships we have built with our clients – some over 15-20 years in duration – as well as the continuous stream of referrals we receive from our clients, nonprofit executives, professionals who practice in the sector, and many others. That is the ultimate testament to the work we do.

Department Name Email Telephone
Managing Partner Jeffrey S. Tenenbaum jtenenbaum@TenenbaumLegal.com 202-221-8002
Partner Nisha G. Thakker nthakker@TenenbaumLegal.com 202-221-8004
Counsel Susan C. Hamsher shamsher@TenenbaumLegal.com 202-250-3632
Office Manager/Legal Administrative Assistant Ashley Norton anorton@TenenbaumLegal.com 202-221-8005
Senior Paralegal Courtney C. Tucker ctucker@TenenbaumLegal.com 202-250-3626
Counsel Holly E. Peterson hpeterson@TenenbaumLegal.com 202-221-8006
Associate Kevin M. Serafino kserafino@TenenbaumLegal.com 771-240-3831
Legal/Administrative Assistant Lily Martin lmartin@TenenbaumLegal.com 771-220-6361
Photo Name Position Profile
Susan Hamsher photo Susan Hamsher Counsel
Holly Peterson photo Holly Peterson Counsel
Kevin Serafino photo Mr Kevin Serafino Kevin Serafino is an attorney with experience advising nonprofit organizations – including…
Jeffrey Tenenbaum photo Jeffrey Tenenbaum Managing Partner
Nisha Thakker photo Nisha Thakker Partner
Managing Partner : 1
Partner : 1
Counsel : 2
Legal Administrative Assistant : 2
Paralegal : 1
Associate : 1
English
American Bar Association
American Society of Association Executives
FAR (Formerly Finance & Administration Roundtable)
National Association of College and University Attorneys
National LGBTQ+ Bar Association