Atty. Mr Gregory C Sinning

Atty. Mr Gregory C Sinning

A believer that hard work and determination can lead to amazing results. Greg has used this approach in all aspects of his career.

Phoenix Phoenix 6 yrs experience 6 year
Call (602) 666-7393 Book Appointment

Profile Summary

About Mr Gregory C Sinning at a glance

Mr Gregory C Sinning is an Attorney based in Phoenix, Arizona, practicing at Dm Cantor. They have 6+ years of legal experience, licensed to practice since 2020. Their practice focuses on probate and estate planning. Admitted to practice in Arizona (2020) and Arizona (2020). Educated at University of North Dakota (—). Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • A believer that hard work and determination can lead to amazing results
  • Greg has used this approach in all aspects of his career
  • Greg grew up in Brandon, Mississippi, and graduated from Belhaven University with a Bachelor’s Degree in Accounting
  • After graduation, Greg worked for a regional moving company as its office manager
  • However, Greg found his calling for the law when he made a career change, taking a position as a paralegal for a Jackson, Mississippi-based tax law firm
  • Greg used the skills he learned as a paralegal, working closely with clients, to further his legal career
  • He then finished his legal education at the University of North Dakota School of Law
  • During law school, Greg was a member of Law Review and represented his law school at a national appellate moot court competition
  • He also clerked for a Maricopa County Superior Court Judge in law school, where he got hands-on experience inside the courtroom
  • After earning his Juris Doctorate, Greg began his career working in employment law, assisting people through tumultuous times
  • While working in employment law, Greg honed his skills as a negotiator, helping numerous clients obtain severance packages after unexpectedly having their employment terminated Greg then went on to work in commercial contract law, where he found a true love for the courtroom
  • Greg spent numerous hours in the courtroom, advocating for his clients
  • In this capacity, Greg had the opportunity to see cases from both sides’ points of view, and he wanted to spend his life helping people through their difficult situations
  • Greg uses the negotiation skills he gained in employment law and his trial skills from commercial contract law to advocate for his clients daily through one of the most difficult times of their lives
  • When Greg is not working with clients to help them navigate the family law process, he enjoys spending time with his family
  • They enjoy traveling together and exploring Arizona
  • When he can, Greg can be found teeing it up on one of the valley’s numerous golf courses

Practice Areas Explained

Mr Gregory C Sinning's Areas of Practice

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

Probate

Mr Gregory C Sinning is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Arizona →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Mr Gregory C Sinning is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning 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 Mr Gregory C Sinning

Where is Mr Gregory C Sinning's law office located?
Mr Gregory C Sinning's law practice is located in Phoenix, Arizona. The firm is Dm Cantor. You can contact the office directly through this profile page.
What practice areas does Mr Gregory C Sinning handle?
Mr Gregory C Sinning focuses on probate, estate planning. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has Mr Gregory C Sinning practiced law?
Mr Gregory C Sinning has 6+ years of legal experience and has been licensed since 2020.
Where did Mr Gregory C Sinning go to law school?
Mr Gregory C Sinning earned their education at (—).
How can I contact Mr Gregory C Sinning for a consultation?
You can contact Mr Gregory C Sinning 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

University of North Dakota
- In Progress

Bar Admissions

Arizona
Admitted: 2020
Arizona
Admitted: 2020

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