Atty. John Gregory Sinodis

Atty. John Gregory Sinodis

John Gregory Sinodis is a lawyer practicing business law, business bankruptcy & creditors' rights, corporate law and 1 other area of law. John received a B.S. degree from Arizona State University in 1982, and has been licensed for 40 years.

Phoenix Phoenix 40 J. Erfahrung 40 year
Call (480) 401-1971 Book Appointment

Profile Summary

About John Gregory Sinodis at a glance

John Gregory Sinodis is a Member based in Phoenix, Arizona, practicing at Jennings Haug Keleher Mcleod Waterfall Llp. They have 40+ years of legal experience, licensed to practice since 1986. Their practice focuses on business, bankruptcy, and litigation. Admitted to practice in Arizona (1986). Educated at Arizona State University (J.D., 1985) and Arizona State University (B.S., 1982). Recognitions include AV Preeminent. Active member of PROFESSIONAL ASSOCIATIONS & MEMBERSHIPS •State Bar of Arizona, Member •State Bar of California, Member •Maricopa County Bar Association, Member •Equipment Leasing and Finance Association, Member •LEAN: Lease Enforcement Attorney Network, Member. Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • John Gregory Sinodis is a lawyer practicing business law, business bankruptcy & creditors' rights, corporate law and 1 other area of law
  • John received a B.S. degree from Arizona State University in 1982, and has been licensed for 40 years
  • John practices at Jennings Haug Keleher McLeod Waterfall LLP in Phoenix, AZ

Practice Areas Explained

John Gregory Sinodis's Areas of Practice

Each practice area below reflects the types of cases John Gregory Sinodis handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Gregory Sinodis is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Arizona →

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

John Gregory Sinodis is one of 105,321 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in Arizona →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John Gregory Sinodis is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Arizona →

Jurisdictional Context

Why local counsel matters in Arizona

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 andnue, 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.

Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.

Frequently Asked

Common questions about John Gregory Sinodis

Where is John Gregory Sinodis's law office located?
John Gregory Sinodis's law practice is located in Phoenix, Arizona. The firm is Jennings Haug Keleher Mcleod Waterfall Llp. You can contact the office directly through this profile page.
What practice areas does John Gregory Sinodis handle?
John Gregory Sinodis focuses on business, bankruptcy, litigation. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has John Gregory Sinodis practiced law?
John Gregory Sinodis has 40+ years of legal experience and has been licensed since 1986.
Where did John Gregory Sinodis go to law school?
John Gregory Sinodis earned their education at (J.D., 1985); (B.S., 1982).
How can I contact John Gregory Sinodis for a consultation?
You can contact John Gregory Sinodis 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.
What awards or recognition has John Gregory Sinodis received?
John Gregory Sinodis's notable recognition includes: AV Preeminent.

Education

J.D.
Arizona State University
- 1985
B.S.
Arizona State University
- 1982

Awards

AV Preeminent

Bar Admissions

Arizona
Admitted: 1986

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