She is the founder and managing partner of the Law Offices of Johanna Herrero where she is committed to providing compassionate and skillful legal service to immigrants throughout Massachusetts, Rhode Island, New Hampshire, Miami, Connecticut, and Florida. Johanna was born in Buenos Aires, Argentina and immigrated to the United States from an early age. Her dedication and passion for this field came from personal experience with the immigration process. Ms. Herrero has been representing immigrants in removal proceedings, with a strong focus on asylum and criminal cases, since 2011.

Throughout the years, Johanna has acquired extensive knowledge of the Immigration Laws through trial work and experience in the immigration court. Johanna represents many of the firm’s clients in defensive hearings before the Executive Office for Immigration Review and the Board of Immigration Appeals. With a passion that stems from her childhood, a large part of her practice consists of removal defense for illegal immigrants, helping asylum seekers and domestic violence victims through U and VAWA visas, and representing legal immigrants who have been convicted of complex crimes. Emphasizing the importance of an efficient and results-oriented approach, Ms. Herrero is committed to providing her clients with individualized attention that stresses open communication and teamwork based approach. When you hire the Law Office of Johanna Herrero, you hire a team of experienced Attorneys and Paralegals. Stressing our collaborative philosophy, “We believe in teamwork to reach the final result.” Each client the firm takes on has access to the experience and acumen of the entire firm. Due in large part to this collective approach.

She practices regularly in the Boston Immigration Court and Florida Immigration Courts, and administers the extensive caseload of the firm before the Immigration Court, the Immigration and Customs Enforcement and the Department of Homeland Security.

Johanna’s experience additionally represents clients related to criminal cases that have Immigration consequences. Additionally the firm offers representation of clients in Massachusetts Family and Probate Court to handle complex family court matters and Guardianship of children. We offer a communicative approach to Family based issues. Through her strong defense skills, Johanna offers a unique representation that has set the standard in the courts of Boston and Miami. Johanna has been selected in the list of Super Lawyers of the Massachusetts Rising Stars, 2015-2019. She also received the10 Best Lawyers Award for Customer Satisfaction 2015-2019, awarded by the American Institute of Legal Counsel.

The office also participates in many media outlets such as Univision and Telemundo as well as Caracol Radio and Actualidad Radio in Miami, Florida. Attorney Herrero also participates in weekly Facebook Live Broadcasts in an effort to communicate with a broader national audience.

Johanna also handles the company’s large list of cases of detainees and complex cases involving issues of mandatory detention and bail. Johanna visits the ICE Detention Centers and provides legal advice to detainees. In addition, he handles the U and VAWA cases of the firm, for victims of domestic violence.

The Law Office also provides pro bono representation for victims of criminal cases and clients in extreme poverty living below the US Poverty guidelines. Applicants may seek this benefit via e-mail directly to the Managing Partner


Johanna can practice law in the State of Massachusetts and is qualified to practice before the US District Court in Massachusetts.

Recognitions and Distinctions

  • Selected in the list of the Massachusetts Rising Stars as Super Lawyers, 2015-2019. Only 2.5% of the lawyers in this state were selected with this honor.
  • Selected among the Top 40 Under 40 by the National Advocates.
  • Recognized with a 10 Best Attorneys Award for customer satisfaction 2015-2019 by the American Institute of Legal Counsel.
  • Recognized with a 10 Best Law Firms Award for customer satisfaction, 2017-2019 by the American Institute of Legal Counsel in Both Boston and Miami Law Office Branches.


Johanna speaks English, Spanish and basic Portuguese.


  • Massachusetts School of Law - J.D. - 2011
  • John Jay College, School of Criminal Justice - B.A. - 2007

    Specialty in Forensic Sciences. Criminal Law and Communications.

Bar Associations

  • Massachusetts Bar Association
  • Boston Bar Association
  • American Immigration Lawyers Association (AILA)

    Boston and South Florida Chapters

  • American Bar Association
  • National Advocates
  • Super Lawyers

Client Reviews

Felicidades, es la mejor abogada estoy muy agradecido por mis papeles muchas gracias Dios la bendiga, le mande muchos mas exitos y salud.. saludos.

Rudy Flores

Gracias protejer con la comunidad Dios les bendiga su trabajo.

Antonio Recinos

Gracias por toda su ayuda y dedicación de su gente y su experiencia en ayudar a la comunidad gracias abogada.

Junior Hernandez

Gracias a usted por que ha podido darlos nuestros sueños Franklin y yo estamos mas que agradecidos. You guys are the best that's my momma and my aunt thank you for making her dream come true and ours too your the best!!!

Julissa Garcia

We are VERY happy with her services! She helped my husband through the most difficult time of his life and we will forever be thankful.

Patricia Diaz

Definitivamente agradecido del trabajo hecho por el buffete de abogados de Johanna Herrero me dieron la esperanza de que había una luz al final del túnel y con perseverancia se logra lo imposible si hubiese más 💫 le...

Felix Maldonado

Dios les bendiga grandemente.

Jose Perez

Felicitaciones por este servicio a la comunidad Latina, bendiciones!!

Koti Hermoza

Te aprecio mucho, valoro tu trabajo.

Hector Eusebio

Muchas felicidades para todos ustedes son un excelente equipo que sigan cosechando éxitos 🙏😘 muchas bendiciones.

Rafaela Colon

Muchas felicidades para el equipo de Abogados.

Velasquez Yanes

Felicidades! Se lo duro que trabaja usted y su equipo. Bien merecido!!!

Claudia Carolina

Felicidades abogada y a todo su equipo dios les bendiga siempre.

Selma Romero

En un momento como este es bueno tener personas que defiendan los derechos de uno. Yo tuve un hijo detenido y la Abogada Johanna y el Abogado John trabajaron muy fuertes para solucionar el caso. En una ocasión yo estaba...

Alex E.

La mejor abogada de inmigración! Estoy feliz y me siento bendecido de haberla encontrado. Ella y su equipo son profesionales que lo dan todo por sus clientes. Yo pensaba que no tenía nada que hacer con mi caso y ellos me...

Xenoxsiz J.

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