MEET OUR TEAM
Our attorneys are experienced in immigration law and zealous advocates for our clients. Our goal as a firm is to provide confidence, transparency, and values to the community we serve. We will work our hardest to achieve the best possible results in your case.
Our Legal Team

Juan Carlos Silen, Esq.
Managing Attorney
Juan Carlos Silén is the Founder and Managing Attorney of Silen & Rosario. He is admitted to practice in Maryland, the District of Columbia, the U.S. District Court for the District of Maryland, and all U.S. Immigration Courts. He holds a Bachelor’s Degree in Economics and a Juris Doctor from the University of Puerto Rico, as well as a Master’s Degree in Human Rights from the University of Navarra in Spain. Juan Carlos previously worked with Catholic Charities’ Esperanza Center and the Public Justice Center, gaining extensive experience in removal defense, humanitarian relief, family-based immigration, and tenant advocacy. He is a member of the Maryland State Bar Association (MSBA), the American Immigration Lawyers Association (AILA), and has served on the MSBA Immigration Council since 2023. He provides client-centered, transparent, and compassionate representation.
María Rosario-Negrón is admitted to practice in Maryland, the District of Columbia, Puerto Rico, the U.S. District Court for the District of Maryland, and all U.S. Immigration Courts. She earned a bachelor’s degree in psychology and a Juris Doctor (Magna Cum Laude) from the University of Puerto Rico School of Law, and an LL.M. from Georgetown University Law Center. Her background includes working as a Judicial Law Clerk for Immigration Judges in Miami and serving as a DHS Trial Attorney in Baltimore. Her experience as a former prosecutor gives her unique insight into immigration cases, and she uses that knowledge to advocate fiercely for her clients. She believes in respectful, honest communication and strong preparation as the foundations of effective representation. She is a member of the MSBA and AILA.

María Rosario-Negrón, Esq.
Managing Attorney
Our Team

Legal Assistant (Puerto Rico)
Zerimar Camejo
Zerimar is a reliable and responsible legal assistant known for her excellent communication with clients. Bilingual in English and Spanish, she supports the firm’s immigration and family law practice with care and professionalism.

Legal Assistant (Mexico)
Diana Salazar
Diana assists attorneys with filings, evidence preparation, and case organization. She is empathetic, patient, client-centered, and approachable. Fully bilingual in English and Spanish, she helps clients feel supported and understood throughout their case.

Legal Assistant (Venezuela)
Andrea Noguera
Andrea manages client intake and provides professional, friendly support to individuals beginning their legal process. She is bilingual and helps clients navigate the first steps of their cases with clarity and kindness.
​

Legal Assistant (Colombia)
Gina Alfaro
Gina supports the attorneys with filings, evidence preparation, and case review. She is detail-oriented, reliable, and responsible. As a bilingual team member, she contributes to the firm’s diverse and client-centered environment.
