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Atty. Marchello D. Gray

Atty. Marchello D. Gray

Marchello D. Gray is a key member of the firm’s Complex Litigation, Pharmaceutical Products, and Toxic Torts & Products Liability practice groups where he represents multiple Global 500 chemical and drug corporations.

Washington Washington 9 yrs experience 9 year
Call (202) 894-6583 Book Appointment

Profile Summary

About Marchello D. Gray at a glance

Marchello D. Gray is a Partner based in Washington, District of Columbia, practforg at Hollingsworth LLP. They haand 9+ years of legal experience, licensed to practice since 2017. Admitted to practice in Maryland District of Columbia Alabama (2017). Educated at Vanderbilt Law School (J.D., 2009) and University of Florida (B.A., 2004). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Marchello D. Gray is a key member of the firm’s Complex Litigation, Pharmaceutical Products, and Toxic Torts & Products Liability practice groups where he represents multiple Global 500 chemical and drug corporations
  • Bringing a real-world sense to the legal issues and problems faced by these companies in a wide range of matters, he has an instinctive ability to unravel the complexities of mass tort litigation into simple, straightforward themes that effectively convey our clients’ stories to judges and juries
  • Recently, Mr. Gray served as trial counsel in defense of a series of personal injury trials in Cook County, Illinois circuit court arising from alleged exposure to ethylene oxide emissions from a medical device sterilization company
  • Representing corporate defendants in serial mass tort litigation, federal multidistrict litigation, individual state court proceedings, and coordinated statewide litigation, he is experienced with all facets of the litigation process
  • This experience includes coordinating company-wide electronic discovery document collection and production
  • evidentiary and dispositive motions practice
  • the preparation for and defense of depositions of corporate representatives, corporate fact witnesses, and expert witnesses
  • defending mediation
  • and trial
  • As an integral part of the Firm’s Roundup litigation team, Mr. Gray has specialized in developing the company’s science-based defense strategy and has worked extensively with the expert witnesses on report preparation, deposition testimony, and trial testimony
  • Prior to joining the Firm, Mr. Gray represented a corporate client in a multi-plaintiff lawsuit resulting from the deadly explosion of an underground natural gas pipeline, and he negotiated the settlement in a multi-plaintiff toxic tort case involving airborne contaminants
  • He successfully defended another corporate client in a catastrophic wrongful death action stemming from an industrial plant accident and was a member of the trial team that obtained a multi-million dollar verdict for the company in the subsequent indemnity suit seeking reimbursement from the deceased contractor’s employer
  • Mr. Gray is named as a "Rising Star" in the Washington DC edition of Super Lawyers
  • He received his law degree from Vanderbilt Law School where he was a member of the Trial Advocacy Society, was Stipend Fund Top Fundraiser in the Vanderbilt Legal Aid Society, and was Vice President of Vanderbilt Law School Ambassadors

Jurisdictional Context

Why local counsel matters in District of Columbia

Practforg law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Marchello D. Gray

Where is Marchello D. Gray's law office located?
Marchello D. Gray's law practice is located in Washington, District of Columbia. The firm is Hollingsworth LLP. You can contact the office directly through this profile page.
How long has Marchello D. Gray practiced law?
Marchello D. Gray has 9+ years of legal experience and has been licensed since 2017.
Where did Marchello D. Gray go to law school?
Marchello D. Gray earned their education at (J.D., 2009); (B.A., 2004).
How can I contact Marchello D. Gray for a consultation?
You can contact Marchello D. Gray directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
Vanderbilt Law School
- 2009
B.A.
University of Florida
- 2004

Bar Admissions

Maryland District of Columbia Alabama
Admitted: 2017

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