Founding Attorney
Ellen Sullivan, Esq. founded Cambridge Immigration Law (formerly Law Office of Ellen Sullivan) in 2014 after practicing immigration law in various settings since 2005. As the supervising attorney and owner of her law firm, Ellen has had the privilege of working with hundreds of individuals, families, and businesses on a wide range of immigration matters. Ellen’s legal team supports individuals and families from countless countries, races, educational and socioeconomic backgrounds, sexual orientations, gender identities, religions... Read More
Ellen Sullivan, Esq. founded Cambridge Immigration Law (formerly Law Office of Ellen Sullivan) in 2014 after practicing immigration law in various settings since 2005. As the supervising attorney and owner of her law firm, Ellen has had the privilege of working with hundreds of individuals, families, and businesses on a wide range of immigration matters. Ellen’s legal team supports individuals and families from countless countries, races, educational and socioeconomic backgrounds, sexual orientations, gender identities, religions, and family statuses as they strive to achieve their life goals through their US immigration journeys.
Prior to founding her own firm, Ellen was a partner in two small law firms and worked at non-profit legal organizations including the Victim Rights Law Center and Centro Presente.
Ellen has been a member of the American Immigration Laws Association for many years, serving in various volunteer capacities including on the Executive Board as Treasurer and Secretary. Ellen is an active member of the Women’s Bar Association. She is a volunteer Hearing Officer on the Massachusetts Board of Bar Overseers.
Ellen has lived in New England, California, Spain, and Argentina. Ellen speaks fluent Spanish, and she is trying to improve her Portuguese skills. (If you speak Portuguese, please feel free to help Ellen practice!)
Ellen lives in Arlington, MA with her family. She cherishes her time with her children; she loves practicing yoga; and from March until November she tends to her perennial garden, constantly adding annuals to brighten up the mix.
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Associate Attorney
Attorney Sara Trefethen has over seven years of experience in immigration law, focusing on employment-based cases like H-1B, L-1, O-1, and PERM labor certification. She also assists asylum seekers and values clear, prompt client communication. Read More
Sara graduated magna cum laude from Florida State University College of Law and clerked for Judge Richard Smoak. She is admitted in Massachusetts and Florida and is a member of AILA. Residing in Canton, MA, with her family, she enjoys writing sci-fi, gardening, and sports. Read Less
Associate Attorney
Angie is an accomplished immigration and family law attorney with over 16 years of experience in the legal profession. A native of Peru, her personal immigration journey inspired her to help others navigate the complex and often life-changing process of immigration law. Read More
Angie is an accomplished immigration and family law attorney with over 16 years of experience in the legal profession. A native of Peru, her personal immigration journey inspired her to help others navigate the complex and often life-changing process of immigration law.
Attorney Dorney is admitted to practice in Massachusetts (2018) and the U.S. District Court for the Commonwealth of Massachusetts (2024). She holds a Bachelor’s in Law (LLB) from the National University of San Marcos and a Master of Laws in American Law (LLM) from Boston University School of Law. She is an active member of the American Immigration Lawyers Association (AILA) and the Massachusetts Association of Hispanic Attorneys (MAHA).
Prior to joining Cambridge Immigration Law, Attorney Dorney successfully handled Special Immigrant Juvenile Status (SIJS), family-based immigration, and removal defense cases, advocating for clients before USCIS, the Probate and Family Court, and the Executive Office of Immigration Review (EOIR). She has also provided extensive pro bono legal support through Volunteer Lawyers Project, KIND, and Project Citizenship.
Fluent in Spanish and English, Attorney Dorney is dedicated to empowering immigrant families and ensuring they receive the strongest possible representation in their pursuit of the American Dream.
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Senior Paralegal
Son of Mexican immigrants, Roberto grew up in San Diego, CA. Roberto worked as a paralegal for a bankruptcy law firm before moving to Boston to join the team at Cambridge... Read More
Son of Mexican immigrants, Roberto grew up in San Diego, CA. Roberto worked as a paralegal for a bankruptcy law firm before moving to Boston to join the team at Cambridge Immigration Law and to begin law school at Suffolk University Law.
Roberto obtained his bachelor’s degree in Political Science from Oregon State University where he graduated Summa Cum Laude. Roberto is fluent in Spanish.
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Law Clerk
Ghizlane is the Front Office Manager. She helps ensure the office runs smoothly, and provides support to both clients and the legal team. Her background is in customer service... Read More
Ghizlane is the Front Office Manager. She helps ensure the office runs smoothly and provides support to both clients and the legal team. With a background in customer service, community engagement, and administration, creating meaningful connections is a passion of hers. A fun fact about Ghizlane—she organizes galleries ranging from photography, art, and musicians.
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Intake Specialist
Carolina is an Intake Specialist at Cambridge Immigration Law, the first point of contact for clients since June 2024. With a Business Administration degree from Universidad Autónoma de Durango, she ensures clients feel heard and supported as they begin their legal journey. Read More
Carolina is an Intake Specialist at Cambridge Immigration Law, the first point of contact for clients since June 2024. With a Business Administration degree from Universidad Autónoma de Durango, she ensures clients feel heard and supported as they begin their legal journey.
Carolina values being part of a compassionate team dedicated to exceptional client care. She takes pride in building relationships and guiding clients through this crucial step toward their future.
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Intake Specialist
Born and raised in Brazil, Lara has been working for Cambridge Immigration Law since November 2024 as an Intake Specialist, she uses her many years of customer service... Read More
Born and raised in Brazil, Lara has been working for Cambridge Immigration Law since November 2024 as an Intake Specialist, using her many years of customer service experience to help new clients begin their immigration process. She is a huge bookworm and is on a quest to collect a thousand books.
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Intake Specialist
All the way from Brazil, Wesley holds a bachelor’s degree in business administration. With a background focused in hospitality, problem resolution and creating a once-in-lifetime... Read More
All the way from Brazil, Wesley holds a bachelor’s degree in business administration. With a background focused in hospitality, problem resolution, and creating a once-in-a-lifetime experience for customers, Wesley is motivated in his role as an Intake Specialist to understand your real needs through active listening. He strives to help you and your family navigate this sometimes confusing and stressful process.
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Legal Assistant
Kelly is a Legal Assistant with 10 years of experience across state and international law. She holds an MA from UNC Greensboro, a BA from Hollins University, and a Legal Assistant Certificate from Georgetown University. Read More
Kelly is a Legal Assistant with 10 years of experience across state and international law. She holds an MA from UNC Greensboro, a BA from Hollins University, and a Legal Assistant Certificate from Georgetown University.
Kellie is committed to efficient legal support and case management. She enjoys traveling and spending time with her family.
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Legal Assistant
A legal assistant, studying at Middlesex Community College, Christina will soon earn her degree in Paralegal Studies. As an immigrant herself, she is particularly passionate... Read More
A legal assistant, studying at Middlesex Community College, Christina will soon earn her degree in Paralegal Studies. As an immigrant herself, she is particularly passionate about advocating for individual rights.
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New Client Specialist
Coming to Boston by way of Ohio, Mary holds a bachelor’s degree in business administration from University of Massachusetts Lowell. She has a diverse background in sales... Read More
Coming to Boston by way of Ohio, Mary holds a bachelor’s degree in business administration from University of Massachusetts Lowell. She has a diverse background in sales, franchising, hospitality, and the fine wine industries. After experiencing a close friend’s challenges with the US immigration system, Mary is motivated to support others as they go through this important, and sometimes stressful and confusing, process. In her work as New Client Specialist, she uses her multifaceted experience to provide a warm and informative welcome to Cambridge Immigration Law’s newest clients.
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Front Office Manager
Office Manager
As the Client Services Director for Cambridge Immigration Law, Peter works with the attorneys to serve our clients’ needs and ensure they feel valued and informed throughout... Read More
As the Client Services Director for Cambridge Immigration Law, Peter works with the attorneys to serve our clients’ needs and ensure they feel valued and informed throughout their engagement with us. A born problem-solver with an engaging manner, Peter loves connecting with our clients, many of whom are also our neighbors. After decades as a union carpenter, Peter now works closely with his wife Ellen Sullivan to manage non-legal operations for Cambridge Immigration Law.
A Massachusetts native, Peter earned his Bachelor of Arts in History from University of Massachusetts in Amherst.
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Administrative Assistant
