Atty. Gary DiMuzio
Attorney Gary DiMuzio is a partner in the Asbestos Department at Simmons Hanly Conroy. He joined the firm in 2019, bringing 25 years of experience helping victims of mesothelioma and other environmental and workplace hazards.
Mass Tort Litigation / Class Actions - Plaintiffs & More Attorney · Serving New York, NY
Profile Summary
About Gary DiMuzio at a Glance
Gary DiMuzio is a personal injury, class action, and product liability attorney based in New York, New York, practicing at Simmons Hanly Conroy LLP. Educated at University of Houston Law Center (J.D., 1992). Recognitions include Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs (2026), Best Lawyers in America — Personal Injury Litigation - Plaintiffs (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serves clients in New York, NY and the surrounding metropolitan area.
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About Gary DiMuzio
Attorney Gary DiMuzio is a partner in the Asbestos Department at Simmons Hanly Conroy. He joined the firm in 2019, bringing 25 years of experience helping victims of mesothelioma and other environmental and workplace hazards. During his career, Gary has represented plaintiffs in cases involving mesothelioma, lung cancer, leukemia, liver cancer, silicosis, plant explosions and environmental contamination.
Based in the firm’s New York office, Gary has been litigating mesothelioma cases since 1998. As a trial attorney, he handles every aspect of the litigation process, from client intake to discovery, to motion practice through trial verdict, working to achieve justice for his clients, anywhere in the country.
“I will first work with the litigation team to learn a client’s story, then contact them to get additional insight and prepare them for trial,” Gary said. “All of us will work together to give the client their best possible day in court and the best result for them and their family.”
Success at TrialGary is a skilled legal advocate for his clients and has secured impressive and continuing results. During his legal tenure, Gary has served as first and second chair during trials that resulted in multi-million-dollar results, representing individuals suffering from mesothelioma due to exposure from machinery, automobiles, insulators, sheetrock, refineries, industrial workplaces and respirators. He has also handled cases involving secondary/household exposure. Gary has fought for the spouses and children of workers who were exposed to the deadly dust brought home by workers and diagnosed decades later.
In November 2020, as lead attorney, Gary secured a $10.3 million verdict against two stevedoring companies and a shipping company on behalf of Henry Pete, who was diagnosed with mesothelioma in 2019. Henry was exposed to raw asbestos he unloaded from the Port of New Orleans while working as a longshoreman in the 1960s. Along with Gary, firm partners Michael K. Hibey, Melissa Crowe Schopfer and Jean-Michel LeCointre represented the family in the Civil District Court for the Parish of Orleans.
In 2016, Gary secured a nearly $5 million verdict for Vera Letha Adams, the widow of Perry Adams, against John Crane Inc. Perry passed away from mesothelioma in 2012 after previously testifying against John Crane Inc. and other defendants. The jury found John Crane liable for Perry’s exposure to products containing asbestos during a nearly 20-year career, working at the Mahrt paper mill in Alabama.
“Many mesothelioma victims have never filed a lawsuit and thought they would never do so,” Gary said. “In the process of dealing with a diagnosis of mesothelioma and its impact on every aspect of their lives, these men and women learn for the first time that not only could their past work have been the source of asbestos exposure, the dangers of such exposure were widely known among experts and the industry since at least 1930. But rather than risk profits, workers were put at risk.”
In addition to handling asbestos cases, Gary has experience litigating cases involving hydrofluoric acid, PAHs, crude oil wastes, TCE, vinyl chloride, styrene tars, creosote and silica. His standout results include:
- Prosecuting large environmental Superfund, chemical and explosion cases, as well as silicosis, benzene, hard metal disease and other toxic exposure injuries.
- Drafting successful amicus briefs to various state supreme courts on causation methodology.
- Designing and coordinating the execution of a large environmental epidemiology study.
- Spearheading the statewide Utah MDL causation hearing, leading to a denial of the defendants’ motion to adopt the Borg-Warner v. Flores Texas decision requiring quantification of exposure.
- Successfully defending asbestos experts in the first State of Georgia Daubert challenge hearing.
In addition to these victories in courtrooms coast to coast, Gary has litigated hundreds of other cases against some of the nation’s largest corporations and the scientists they hire to defend them. On a daily basis, he secures significant settlements for the firm’s clients and their families in these additional cases before a trial or a verdict is warranted.
Background and ExperienceGary entered law school with the goal of helping those poisoned by pollution, concentrating his studies on environmental and occupational contamination law. As a law student and legal intern for the Environmental Defense Fund, he drafted the fund’s first successful lawsuit in Texas.
“My early experience seeing law, science and policy interface created the impetus to understand sciences such as toxicology, epidemiology, biostatics, environmental studies, risk assessment and exposure assessment in order to be the best advocate for my clients,” he said.
With this underlying objective, Gary undertook environmental public health studies at the University of Texas School of Public Health concurrently with his law degree. He also worked on environmental issues with the Harris County Attorney’s Office Environmental Division/Harris County Pollution Controls lawyers and experts, as well as researching how the courts judged causation science and toxic tort experts for the University of Houston Environmental Liability Law Program.
Before joining the firm, Gary served as of counsel at a Virginia firm while also managing his own Texas-based firm.
Gary received a B.M. in Classical Guitar Performance from Texas A&M University in 1986. He received his J.D. from University of Houston Law Center in 1992.
Practice Areas Explained
Gary DiMuzio's Areas of Legal Practice
Each practice area below reflects the types of cases Gary DiMuzio handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.
Personal Injury in New York
Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.
Gary DiMuzio is one of 262,557 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →
Class Action in New York
Gary DiMuzio is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in New York →
Product Liability in New York
Gary DiMuzio is one of 65,610 product liability attorneys indexed nationally. Browse product liability attorneys in New York →
Jurisdictional Context
Why Local Counsel Matters in New York
Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.
New York Courts and Legal Process
Choosing a New York-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
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Professional Profile
Why Clients in New York Choose Gary DiMuzio
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Gary DiMuzio's practice in the field of personal injury, class action, and product liability.
Broad Practice Area Coverage
Covering personal injury, class action, and product liability, Gary DiMuzio can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in New York
A New York-based practice means Gary DiMuzio attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Gary DiMuzio Handles in New York
Below is a representative sample of the types of matters Gary DiMuzio has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Gary DiMuzio directly to discuss the specifics of your situation.
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