I-129

Los Angeles I-129 Nonimmigrant Worker Petition Lawyer
The I-129 petition is used to request a nonimmigrant worker visa for foreign nationals coming to the United States temporarily to work in a specific role. It is filed by employers on behalf of employees to obtain authorization for visas such as H, L, O, P, and Q categories.
Who Qualifies?
Nonimmigrant Worker Categories: The I-129 petition can be filed for various temporary work visas, including: – H-1B: Specialty occupations – L-1: Intracompany transferees – O-1: Individuals with extraordinary ability – P-1, P-2, P-3: Athletes, entertainers, and culturally unique performers – Q-1: International cultural exchange participants Petitioning Requirements: The employer must provide a detailed job description, evidence of the beneficiary’s qualifications, and supporting documentation relevant to the visa category.
What Evidence Is Needed?
Evidence may include: – Detailed job offer and employment contract – Academic degrees, professional licenses, and work experience – Awards, publications, and recognition for extraordinary ability (for O visas) – Proof of cultural exchange or performance programs (for P and Q visas) – Organizational documents and letters from the employer Well-organized documentation ensures that the petition clearly demonstrates eligibility and compliance with USCIS requirements.
Why Choose I-129?
Filing an I-129 petition establishes legal authorization for temporary work in the U.S. It is a critical step for employers and employees seeking to participate in specialized roles, international cultural exchange programs, or extraordinary achievement positions.
How We Help
We evaluate your eligibility, guide you in gathering the strongest evidence, prepare your I-129 petition, and manage the filing process. Our team ensures that your petition is accurate, persuasive, and meets all USCIS requirements for approval.
Start Your I-129 Petition
To discuss your case and next steps, call 323-805-0445 to schedule a consultation with an experienced I-129 immigration attorney.
Employment Visas

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Contact Me:

Practice Areas:

  • Immigration Law
  • Affirmative and Defensive Asylum
  • Employment Immigration
  • Cancelation of Removal
  • Credible Fear Inerview

Education:

Florida International University College of Law, Miami, Florida
  • Miami – 2020
  • Honors: Dean’s List
Universidad Francisco Gavidia, San Salvador
  • B.S. – 2008
  • Major: Engineering

Representative Clients

  • Hispanic

Current Employment Position

  • Senior Partner

Mariano F. Herrera

Mariano Herrera is a passionate and dedicated United States Immigration Attorney originally from El Salvador, Central America. His personal journey as an immigrant to the United States inspired him to pursue a career devoted to helping others navigate the complex path of immigration law. After earning his Juris Doctor from Florida International University (FIU) College of Law and passing the bar exam, Mariano began his practice as an immigration attorney with an unwavering commitment to advocacy and justice. Drawing on his own immigrant experience, Mariano deeply understands the hopes and challenges faced by those seeking a new life in America. He brings empathy, precision, and determination to every case, representing clients before the Immigration Courts and USCIS. His mission is simple yet profound — to help as many immigrants as possible realize their American dream. Mariano’s legal expertise covers a wide range of immigration matters, including business and employment immigration, family-based petitions, asylum, deportation defense, and naturalization. Known for his meticulous attention to detail and steadfast dedication, he ensures that each client receives personalized guidance and strong representation. Fluent in both English and Spanish, Mariano effectively serves a diverse community of clients from around the world. Beyond his legal practice, Mariano is actively engaged in community outreach and education. He regularly leads workshops and seminars to inform immigrants about their rights and legal options, and partners with nonprofit organizations to provide pro bono legal services to those in need. Outside the office, Mariano enjoys traveling, exploring different cultures, and discovering new cuisines — experiences that broaden his worldview and deepen his empathy for clients from all backgrounds. A passionate reader and keen follower of global affairs, he continually enriches his knowledge of immigration trends and international issues. Mariano Herrera’s journey from El Salvador to the United States, combined with his compassion and professional excellence, has made him a trusted advocate and a respected figure in the field of immigration law.

Past Positions

  • Brandis and Associates, Associate Attorney, Feb. 2022 – July 2022

Professional Associations

  • State Bar of Wisconsin, Member, 2020
  • American Immigration Lawyers Association, Member, 2022 – 2023

Bar Admissions

  • El Salvador, 2003
  • Wisconsin, 2020
  • U.S. Court of Appeals 9th Circuit
  • U.S. Immigration Court

Contact Me:

Practice Areas:

  • Immigration Law
  • Business Immigration
  • Employment Immigration
  • Family Based Immigration
  • Non-Immigrant Visas

Education:

Florida International University College of Law, Miami, Florida

  • LL.M – 2020
  • Honors: Dean’s List

Bowling Greend State University, Bowling Green, Ohio

  • M.A.
  • Honors: Dean’s List

Representative Clients

  • Caribbean

Current Employment Position

  • Partner

Juliette A. Potter

Juliette Potter is a highly accomplished United States Immigration Attorney with over two decades of legal experience. She began her legal journey as a Barrister in the United Kingdom and was later admitted as an Attorney-at-Law in Antigua and Barbuda before the Eastern Caribbean Supreme Court.

Ms. Potter’s academic background is equally distinguished. She holds a Master of Laws (LL.M.) from Florida International University College of Law, a Bachelor of Laws (Honors) from the University of Wolverhampton, and a Legal Education Certificate from the Norman Manley Law School in Jamaica. She also earned a Master’s degree in Organization Development from Bowling Green State University’s College of Business in Ohio.

Her professional experience spans both the corporate and legal worlds. Before entering private immigration practice, she served as Chief Legal Officer for an international group of companies. Today, she is a Licensed Attorney in the State of New York, representing clients before the Federal Immigration Courts of the United States, while also maintaining her active law license in Antigua and Barbuda.

As an immigrant herself, Ms. Potter brings a unique perspective and deep empathy to her practice. Her personal experiences inspire her unwavering commitment to helping clients navigate the complexities of U.S. immigration law with confidence and care.

Outside the courtroom, Ms. Potter enjoys cooking, traveling, and exploring new cuisines — passions that reflect her appreciation for diversity and global cultures, both in life and in law.

Past Positions

  • The Fairweather Group, Chief Legal Officer, 2012 to 2018
  • Elite Island Holding Company Ltd., Legal Counsel, 2005 to 2012

Professional Associations

  • New York State Bar Association, Member, 2022
  • Antigua and Barbuda Bar Association, Member, 2005
  • American Immigration Lawyers Association, Member, 2023 – 2024

Bar Admissions

  • England and Wales, 2003
  • Eastern Caribbean Supreme Court, 2005
  • New York, 2023