Atty. Mark Riera

Atty. Mark Riera

Mark Riera is a lawyer practicing employment & labor, antitrust and trade regulation, litigation & dispute resolution and 14 other areas of law. Mark received a Ph.D. degree from Cornell University in 1981, and has been licensed for 41 years.

Los Angeles Los Angeles 41 yrs experience 41 year
Call (424) 486-0188 Book Appointment

Antitrust and Trade Regulation & More Attorney · Serving Los Angeles, CA · 41+ Years Experience

Profile Summary

About Mark Riera at a Glance

Mark Riera is a Member based in Los Angeles, California, practicing at Jeffer Mangels Butler Mitchell Llp. They have 41+ years of legal experience, licensed to practice since 1985. Their practice focuses on employment, business, real estate, class action, and zoning. Admitted to practice in California (1985) and California Supreme Court U.S. Court of Appeals, District of Columbia Circuit U.S. Court of Appeals, (1985). Educated at Stanford Law School (J.D., 1984) and Cornell University (Ph.D. Pomona, 1981). Recognitions include AV Preeminent. Serves clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark Riera

  • Mark Riera is a lawyer practicing employment & labor, antitrust and trade regulation, litigation & dispute resolution and 14 other areas of law
  • Mark received a Ph.D. degree from Cornell University in 1981, and has been licensed for 41 years
  • Mark practices at Jeffer Mangels Butler & Mitchell LLP in Los Angeles, CA

Practice Areas Explained

Mark Riera's Areas of Legal Practice

Each practice area below reflects the types of cases Mark Riera handles, with a practical overview of what that area of law involves and how it may apply to your situation in Los Angeles.

Employment Law in Los Angeles

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Mark Riera is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in California →

Business & Corporate Law in Los Angeles

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

Mark Riera is one of 497,491 business attorneys indexed nationally. Browse business attorneys in California →

Real Estate Law in Los Angeles

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Mark Riera is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in California →

Class Action in Los Angeles

Mark Riera is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in California →

Land Use & Zoning in Los Angeles

Mark Riera is one of 39,875 zoning attorneys indexed nationally. Browse zoning attorneys in California →

Jurisdictional Context

Why Local Counsel Matters in Los Angeles

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Los Angeles are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California 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 California courts without local counsel or pro hac vice admission.

Los Angeles Courts and Legal Process

Choosing a Los Angeles-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 California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common Questions About Mark Riera

Where is Mark Riera's law office located?
Mark Riera's law practice is located in Los Angeles, California. The firm is Jeffer Mangels Butler Mitchell Llp. You can contact the office directly through this profile page.
What practice areas does Mark Riera handle?
Mark Riera focuses on employment, business, real estate, class action, zoning. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark Riera practiced law?
Mark Riera has 41+ years of legal experience and has been licensed since 1985.
Where did Mark Riera go to law school?
Mark Riera earned their education at (J.D., 1984); (Ph.D. Pomona, 1981).
How can I contact Mark Riera for a consultation?
You can contact Mark Riera 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 Mark Riera received?
Mark Riera's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Los Angeles Choose Mark Riera

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 Mark Riera's practice in the field of employment, business, real estate, class action, and zoning.

Decade-Tested Legal Experience

Mark Riera brings 41+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in California and California Supreme Court U.S. Court of Appeals, District of Columbia Circuit U.S. Court of Appeals, , Mark Riera can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering employment, business, and real estate, Mark Riera can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Los Angeles

A Los Angeles-based practice means Mark Riera 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 Mark Riera Handles in Los Angeles

Below is a representative sample of the types of matters Mark Riera has experience with under California law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Wrongful termination claims
Employment
Workplace discrimination
Employment
Wage and hour disputes
Employment
Non-compete agreement review
Employment
Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
Residential property transactions
Real Estate
Commercial lease disputes
Real Estate
Title and deed issues
Real Estate
Landlord-tenant conflicts
Real Estate

This list is illustrative, not exhaustive. Contact Mark Riera directly to discuss the specifics of your situation.

Search Reference

How People Find Mark Riera Online

Prospective clients searching for legal help in Los Angeles commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark Riera.

Mark Riera attorney Mark Riera lawyer Mark Riera Los Angeles Mark Riera California Mark Riera reviews Mark Riera contact Jeffer Mangels Butler Mitchell Llp law firm employment attorney in Los Angeles employment lawyer Los Angeles best employment attorney Los Angeles top rated employment lawyer near me employment attorney California find a lawyer near me how to hire an attorney

If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark Riera directly.

Education & Law School Background

J.D.
Stanford Law School
- 1984
Ph.D. Pomona
Cornell University
- 1981

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

California
Admitted: 1985
California Supreme Court U.S. Court of Appeals, District of Columbia Circuit U.S. Court of Appeals,
Admitted: 1985

Client Reviews & Ratings — Mark Riera

5.0
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.