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Nonprofits Under Fire: How the IRS Can – and Cannot – Revoke Federal Tax-Exempt Status
November 11th, 2025
Earlier this year, President Trump called for the revocation of Harvard University’s 501(c)(3) tax-exempt status.[1] This comes as environmental groups were grappling with rampant rumors that the Trump administration was moving – reportedly throu…
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Protecting Your Purpose: Nonprofit Sustainability in a High-Risk
November 10th, 2025
Nonprofits today face mounting challenges — economic strain, shifting donor expectations, regulatory complexity, and increased scrutiny of governance and data privacy, among other challenges. For leaders of charities, associations, and other nonpro…
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Nonprofit Position Eliminations and RIFs
November 10th, 2025
I regularly advise nonprofit clients on employee separations, and often, clients inquire whether it would be better to style a performance-based separation as a “reorganization.” The answer is almost always, “No.” Quite simply, semantics do n…
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Practical Tips for Nonprofits for Conducting Internal Investigations
August 4th, 2025
A junior-level staff member reports that she is being bullied by a supervisor. A mid-level staff member appears to be using the nonprofit organization’s credit card for occasional personal purchases. A senior-level staffer reports alleged financial…
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A D.C. Court Found a Sales Tax Exemption Violated the U.S. Constitution: Is Your Nonprofit Entitled to a Refund?
May 29th, 2025
On February 13, 2024, the District of Columbia Superior Court issued a ruling that could entitle 501(c)(3) tax-exempt nonprofit organizations with offices outside the District to refunds of certain taxes collected for meetings held in D.C. In a class…
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TLG Managing Partner Jeff Tenenbaum’s Acceptance Speech for Association TRENDS and CEO Update’s 2025 Association Industry Partner of the Year Award
March 13th, 2025
March 13, 2025 Grand Hyatt Hotel Washington, DC I am humbled and thrilled to accept the 2025 Association Industry Partner of the Year award from Association TRENDS and CEO Update. Thank you very much, Brittany Carter and your incredible team. I am be…
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DEI Initiatives in the Crosshairs of the Administration: What Nonprofits Need to Know to Mitigate Their Risk
March 12th, 2025
Shortly following his inauguration in January, President Donald J. Trump signed a flurry of Executive Orders implementing a wide array of administration policies. One of the Executive Orders, entitled “Ending Illegal Discrimination and Restoring Me…
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Tailoring AI Contract Clauses to a Nonprofit’s Unique Needs
December 19th, 2024
Long ago, artificial intelligence (“AI”) worked its way into routine business operations in the for-profit and nonprofit worlds alike through subtle and ubiquitous technological advancements, such as the Microsoft Word’s spell-check feature, th…
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Mitigating the Legal Risks of Nonprofits’ ESG and DEIA Programs
September 12th, 2024
“ESG” refers to the three broad pillars of Environmental, Social, and Governance which have become increasingly important in assessing certain for-profit businesses, especially publicly traded ones. With ever-intensifying demands from regulators,…
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Nonprofits and AI: Managing Legal and Other Risks (Full Version)
August 26th, 2024
Generative artificial intelligence (“AI”) is ubiquitous. Even those most skeptical of AI almost certainly use AI as matter of routine, whether through the spell-check feature in Microsoft Word, the auto-correct feature in text messages, the auto-…
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Meet Our Team
Jeff is one of the nation’s leading nonprofit attorneys, and a highly regarded and frequent author, lecturer, media commentator, and expert witness on nonprofit legal matters. Formerly the longtime chair of one of the country’s largest nonprofit law practices, he is the recipient of numerous distinguished national awards and honors.
Nisha is an experienced in-house nonprofit attorney and senior-level business partner. Formerly the associate general counsel of a large REALTOR® association in Northern Virginia, she has a broad understanding of nonprofit legal matters as well as business operations, governance, and development.
Holly Peterson is an attorney with significant experience in the association and nonprofit, employment, and education sectors. She excels at translating complex regulatory and legal issues into practical and digestible client solutions. Prior to joining TLG, Holly served in a senior role on the Legal Resources Team and Leadership Team at the National Association of College and University Attorneys for eight years, where she was immersed in legal and operational issues impacting the nonprofit education sector, acquiring significant experience with association and nonprofit operations and management.
Counsel Ashley Wisneski has been practicing law for 20 years and brings extensive in-house experience to TLG. Most recently, she served as the University Counsel at the Massachusetts College of Pharmacy and Health Sciences and the Associate General Counsel at Johnson & Wales University.
Kevin Serafino is an attorney with experience advising a wide range of nonprofit organizations at various stages of their development, leveraging his decade of experience working in-house at two national trade associations to provide practical and actionable legal advice to mission-driven organizations. He also counsels politically active organizations on federal and state lobbying, ethics, and campaign finance laws. Prior to joining TLG, Kevin 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.
Kyler Mejia is an attorney with experience advising nonprofit tax-exempt organizations and socially responsible businesses operating both domestically and internationally. Kyler counsels a broad range of nonprofits on a wide array of legal matters. He also acts as outside general counsel to many clients, assisting with issues related to federal tax exemption, corporate governance, contract reviews and drafting, mergers and acquisitions, subsidiaries and affiliates, hybrid corporate structures, partnerships and joint ventures, lobbying and political activity compliance, intellectual property, and more. Prior to joining TLG, Kyler worked at a boutique law firm in Tempe, AZ, focused exclusively on servicing the legal needs of nonprofits.
