Atty. Matthew Long
Matt Long has distinguished himself as one of the most accomplished and experienced trial attorneys in the State of Arizona. He has been assigned lead counsel on over 75 jury trials and has been a part of some of the most complex, serious, and consequential cases in Arizona’s History.
Criminal Defense & More Attorney · Serving Phoenix, AZ · 23+ Years Experience
Profile Summary
About Matthew Long at a Glance
Matthew Long is a Partner based in Phoenix, Arizona, practicing at Long & Simmons Law. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on dui/dwi, drug crimes, criminal defense, juvenile, and sex crimes. Educated at Arizona State University (J.D., 2003) and Arizona State University B.A. magna cum laude (—). Serves clients in Phoenix, AZ and the surrounding metropolitan area.
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About Matthew Long
- Matt Long has distinguished himself as one of the most accomplished and experienced trial attorneys in the State of Arizona
- He has been assigned lead counsel on over 75 jury trials and has been a part of some of the most complex, serious, and consequential cases in Arizona’s History
- He has particular experience investigating and defending those accused of sexual offenses and child crimes
- His unique background qualifies him as an expert in the fields of investigation, prosecution, victim disclosures, false allegations, victim bias, false confessions, memory and victim response
- Matt has demonstrated that if pressed to trial, he wins
- He understands the prosecutor mind because during his lengthy career as a prosecutor, he was assigned to supervise other prosecutors in trial and provided training on advanced trial techniques
- He uses his trial experience and prosecutor background to avoid trial and obtain the proper outcome by plea, diversion or dismissal
- He has a record of resolving the cases that need to be resolved and going to trial on the cases that just have to be tried
- Matt Long has provided instruction to police and other crime professionals nationally
- He teaches on the best practices of criminal investigation and trial presentation and provides consultation to legal professionals across the country
- The Arizona Supreme Court has determined Matt Long is one of very few Arizona attorneys with the knowledge, training and experience to qualify as lead counsel on death penalty cases
- He understands challenging cases, mitigation, legal strategy and applies all available legal tools to fight legal, procedural and factual battles
- Matt Long enjoys holding prosecutors and police accountable when they are deficient in the manner they seek and execute due process
- Matt is a lifelong Arizonan – a Tempe kid (once a Charger always a Charger)
- a Mesa father
- a child advocate
- and a friend to honest police, dedicated teachers and good parents
- Matt Long starts by hearing, because he understands the reality of family tragedy and the complexity of humanity
- He knows that everyone has a story they need told
- In some cases, their life is on the line, in others their job or reputation
- Let Matt help you tell yours
- My Approach I understand that life is complicated and there are many different reasons why someone would need my services
- I have understanding of, and compassion for, every situation in which an individual may find themselves
- Furthermore, I treat all clients with dignity and respect, regardless of the crimes they’ve been charged with
- I protect my clients in an unforgiving system, hold the justice system accountable, and communicate regularly, because my clients have the right to know what’s going on with their case
- After spending more than a decade prosecuting these cases, I have the advantage of knowing the mindset, motivations, and tactics the prosecution uses, and wield that knowledge for my clients benefit
Practice Areas Explained
Matthew Long's Areas of Legal Practice
Each practice area below reflects the types of cases Matthew Long handles, with a practical overview of what that area of law involves and how it may apply to your situation in Phoenix.
DUI / DWI Defense in Phoenix
Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.
Matthew Long is one of 29,739 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Arizona →
Drug Crimes in Phoenix
Matthew Long is one of 6,914 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in Arizona →
Criminal Defense in Phoenix
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
Matthew Long is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Arizona →
Juvenile Law in Phoenix
Matthew Long is one of 30,433 juvenile attorneys indexed nationally. Browse juvenile attorneys in Arizona →
Sex Crimes in Phoenix
Matthew Long is one of 5,296 sex crimes attorneys indexed nationally. Browse sex crimes attorneys in Arizona →
Jurisdictional Context
Why Local Counsel Matters in Phoenix
Practicing law in Arizona. Legal matters in Arizona are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Phoenix are typically filed in the local municipal court or the appropriate Arizona state district court, depending on subject matter and amount in controversy. An attorney licensed in Arizona 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 Arizona courts without local counsel or pro hac vice admission.
Phoenix Courts and Legal Process
Choosing a Phoenix-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.
Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.
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Professional Profile
Why Clients in Phoenix Choose Matthew Long
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 Matthew Long's practice in the field of dui/dwi, drug crimes, criminal defense, juvenile, and sex crimes.
Decade-Tested Legal Experience
Matthew Long brings 23+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering dui/dwi, drug crimes, and criminal defense, Matthew Long can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Phoenix
A Phoenix-based practice means Matthew Long attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find Matthew Long Online
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Matthew Long's Practice Areas & Specializations
Education & Law School Background
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