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Gideon Cionelo, Business Attorney in Phoenix, Arizona

3 years of legal practice · focused on Business and Litigation

Phoenix, AZ

Practicing business in Phoenix since 2023.

3+
Years practicing
2
Bar admissions

Practices in

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Quick answer

Gideon Cionelo is an attorney based in Phoenix, ARIZONA. The practice focuses on Business and Litigation. Gideon has 3 years of legal experience.

Based in
Phoenix, ARIZONA
Experience
3 years
Known for
Business · Litigation
  • Handles Business and Litigation matters from Phoenix, ARIZONA.
  • 3 years of practice as a licensed attorney.
  • Recognized with Best Lawyers in America — Commercial Litigation (2026).

About Gideon Cionelo: Gideon Cionelo is an attorney based in Phoenix, ARIZONA. The practice focuses on Business and Litigation. Gideon has 3 years of legal experience.

Areas of practice

Practice areas handled by Gideon Cionelo

Gideon concentrates on business and litigation. Each area below outlines the kind of case Gideon handles, typical outcomes to expect, and how the intake process starts.

Business cases in Phoenix, Arizona

Gideon takes business matters in Phoenix, Arizona. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Gideon agrees to represent you.

Litigation cases in Phoenix, Arizona

Gideon takes litigation matters in Phoenix, Arizona. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Gideon agrees to represent you.

Biography

About Gideon Cionelo — 3 years of Arizona business experience

Gideon Cionelo is an attorney based in Phoenix, ARIZONA. The practice focuses on Business and Litigation. Gideon has 3 years of legal experience.

Gideon’s practice focuses on litigation. Before joining Osborn Maledon, Gideon clerked for Judge Jennifer G. Zipps of the U.S. District Court for the District of Arizona. As a law clerk, he drafted civil orders and assisted in the administration of criminal and civil jury trials. He also externed for Judge Daniel J. Kiley of the Maricopa County Superior Court and Judge Jennifer M. Perkins of the Arizona Court of Appeals. His experience in trial and appellate courts provides him insight into how judges and juries decide legal and factual disputes. He relies on this experience, and his prior work as a teacher and private investigator, when advocating for clients, explaining complex legal issues, uncovering facts in discovery, and preparing for trial.

Gideon graduated summa cum laude from the Sandra Day O’Connor College of Law at Arizona State University. In law school, he was a teaching assistant, O’Connor Honors Fellow, Note and Comment Editor for the Arizona State Law Journal, and Center Scholar for ASU’s Center for Law, Science, and Innovation. Outside the law, Gideon is involved in his community. He runs a nonprofit that supports impoverished students in the Philippines and serves on the board of the Arizona Asian American Bar Association.

How Gideon handles business matters

Gideon’s practice focuses on litigation. Before joining Osborn Maledon, Gideon clerked for Judge Jennifer G. Zipps of the U.S. District Court for the District of Arizona. As a law clerk, he drafted civil orders and assisted in the administration of criminal and civil jury trials. He also externed for Judge Daniel J. Kiley of the Maricopa County Superior Court and Judge Jennifer M. Perkins of the…

The kind of cases Gideon takes

Gideon reviews new inquiries case-by-case for business and litigation matters in Phoenix and the surrounding Arizona area.

Credentials

Gideon Cionelo's legal education and bar admissions

  • Arizona State University

    J.D. · 2022

Jurisdictions

Gideon's state bar admissions

  • New Mexico

    2024 · ACTIVE

  • Arizona

    2023 · ACTIVE

Gideon studied at J.D. in Arizona State University.

Law school and academic background

Gideon completed J.D. in Arizona State University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Gideon runs in Arizona is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of Gideon Cionelo

Gideon has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • Best Lawyers in America — Commercial Litigation

    2026

Legal awards and honors

Best Lawyers in America — Commercial Litigation (2026).

Locations

Gideon Cionelo's office in Phoenix

Gideon's primary office is at 2929 North Central Avenue, Suite 2000, Phoenix, Arizona, 85012-2793. In-person meetings are by appointment; a phone intake usually comes first.

Main office

2929 North Central Avenue, Suite 2000

Phoenix, Arizona 85012-2793

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Client feedback

Client reviews of Gideon Cionelo

Gideon has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire Gideon Cionelo — what to expect in your first consultation

Working with a new business attorney should feel structured. Here's how the first two conversations with Gideon usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Gideon charges for the initial consult. That fee is credited toward representation if you retain Gideon's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Gideon will tell you what matters and what doesn't.

Questions to ask a business attorney in Phoenix, Arizona

A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for Gideon

Gideon discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Gideon confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Gideon's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Gideon Cionelo

  • How much does it cost to hire Gideon for a business case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Gideon walks through the likely range during the consult so there are no surprises.

  • Does Gideon offer a free consultation?

    Gideon charges for the initial consult; that fee is credited toward representation if you retain Gideon's office. Some business attorneys offer free consults — check Gideon's current terms during booking.

  • How long do business cases in Arizona typically take?

    Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Gideon gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Gideon take my case if I'm outside Phoenix?

    Gideon is licensed in Arizona. Matters governed by Arizona law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Gideon will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with Gideon?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Gideon will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Gideon accepting new business clients right now?

    Gideon's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Business attorneys serving Phoenix, Tucson and Scottsdale in Arizona

Gideon handles business matters throughout Arizona. Each city below is a direct link into the search page for verified business attorneys in that community.

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