Atty. Dan O'Neil
Dan O’Neil focuses his practice on employee benefits and executive compensation matters with an emphasis on corporate transactions. Dan has experience with employee benefit and executive compensation due diligence, negotiation of the related provisions in transaction agreements and assists clients with issues relating to sections 280G, 162(m) and 409A of the Code.
Profile Summary
About Dan O'Neil at a glance
Dan O'Neil is a employment and m&a attorney based in Boston, Massachusetts, practicing at Paul Hastings LLP. They have 15+ years of legal experience, licensed to practice since 2011. Admitted to practice in Massachusetts, Massachusetts Bar Association (2011). Recognitions include Best Lawyers in America — Employee Benefits (ERISA) Law (2026), Best Lawyers in America — Mergers and Acquisitions Law (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in Boston, MA and the surrounding metropolitan area.
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About
- Dan O’Neil focuses his practice on employee benefits and executive compensation matters with an emphasis on corporate transactions
- Dan has experience with employee benefit and executive compensation due diligence, negotiation of the related provisions in transaction agreements and assists clients with issues relating to sections 280G, 162(m) and 409A of the Code
- Dan is also experienced in a wide range of tax and benefits issues, including day-to-day retirement plan compliance, ERISA fiduciary matters, prohibited transactions and plan design
- His writing has been featured in Benefits Quarterly
- Read full biography: https://www.mwe.com/people/dan-oneil/
Practice Areas Explained
Dan O'Neil's Areas of Practice
Each practice area below reflects the types of cases Dan O'Neil handles, with a brief overview of what that area of law covers.
Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.
Dan O'Neil is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Massachusetts →
Dan O'Neil is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Massachusetts →
Jurisdictional Context
Why local counsel matters in Massachusetts
Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Massachusetts courts without local counsel or pro hac vice admission.
Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.
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