Tierney T. Maris
Colorado
Maris Immigration Law, P.C.
1790 30th Street
Suite 200
Boulder, CO 80301
Tel: 303.444.9500 (ext 405)
Email:
tierney@marisimmigration.com
Web:
www.marisimmigration.com
Tierney serves as the Managing Attorney of Maris Immigration Law, P.C., where she leads a client-focused practice distinguished by her extensive immigration experience, strong leadership, and dedication to achieving meaningful outcomes for those she represents.
Tierney graduated from Bates College in 2009, where she earned her B.A. in Interdisciplinary Studies. She later received her M.A. in International Education Development from Columbia University Teachers College. While pursuing her masters, Tierney spent time in Thailand working with a small non-profit organization called Kwah Dao, providing educational opportunities to Burmese Shan youth.
After completing her degree, Tierney moved back to Thailand to manage Kwah Dao’s pre-school and kindergarten program. It was during her time in Thailand that Tierney grew passionate about legal issues and migration. She eventually returned to the United States to go to law school, focusing on immigration law.
Tierney attended Colorado Law in Boulder, Colorado. She started working with Lisa Green in 2016, while still in law school. After graduating in the top ten percent of her class in 2018, she joined Lisa Green & Associates as an associate attorney. In 2021, Tierney became the managing attorney at Green & Maris (formerly Lisa Green & Associates). In 2023, Green & Maris became Maris Immigration Law.
Tierney joined the American Immigration Lawyers Association (AILA) in 2018 and served as the AILA Colorado Asylum Committee co-chair from 2020-2024. She served again as the co-chair from 2025-2026. Tierney’s primary practice areas include asylum (both affirmative and defensive), family-based immigration, and removal defense. She has represented hundreds of clients before U.S. Citizenship and Immigration Services (USCIS), the Executive Office for Immigration Review (EOIR), and the Department of State (DOS).
- Admitted to Colorado Bar
- SuperLawyers Rising Star – 2026-2027
- Member, American Immigration Lawyers Association (AILA) – 2018-present
- Co-Chair, AILA Colorado Asylum Committee 2025-2026
- Co-Chair, AILA Colorado Asylum Committee 2020-2024
- Trustee, Town of Nederland Board of Trustees – 2024 – 2026
- Speaker, University of Colorado Law School Asylum and Refugee Law Class – March 2026
- Presenter on Navigating our Broken Asylum System, AILA National Conference, June 2024
- Presenter on Asylum 101, IRC Asylum Law Conference – November 2024
- Presenter on Preparing for the Asylum Interview, IRC Training – March 2023
- Presenter on Preparing an I-589 and I Got My Case – Now What, IRC Webinar Training – January 2023
- Presenter on Protecting Asylum Seekers – Cutting Edge Issues, Updates, and the Impact of Climate Change on Migration, AILA Colorado Chapter Conference – February 2022
Maris Immigration Law, P.C. is a dedicated immigration law firm committed to guiding individuals and families through complex immigration processes with care, precision, and a deep understanding of what is at stake in every case. The firm’s attorneys focus exclusively on immigration law, bringing both experience and a client-centered approach to each matter they handle.
Maris Immigration Law, P.C. advises on a broad range of immigration matters, including but not limited to asylum, family-based immigration, removal and deportation defense, citizenship and naturalization, and various forms of humanitarian relief.
The firm places strong emphasis on communication and transparency, taking the time to listen closely to clients, thoroughly explore available options, and provide clear, thoughtful guidance throughout every stage of the process. By ensuring clients are informed and supported, Maris Immigration Law, P.C. delivers a highly personalized legal experience grounded in both professionalism and compassion. Its mission is to provide high-quality legal representation while treating every client with respect, empathy, and unwavering dedication.
“Drawing on meaningful international experience and strong academic credentials, Tierney has quickly established herself as a trusted advocate in asylum and family-based immigration matters. Clients appreciate her thoughtful, client-centered approach, while peers highlight her leadership roles and hands-on experience across USCIS and immigration courts.”