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Lesley Hauser

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Phone: 617-426-8100
Fax: 617-426-2217

262 Washington St, 9th Floor
Boston, Massachusetts 02108

Attorney Hauser is the Managing Partner at O’Neil and Hauser P.C. She has led a skilled team of immigration lawyers and paralegals, serving clients in Massachusetts, as well as other parts of New England, and around the world.

Her practice involves both business and family immigration matters. She has represented individuals and corporation on both sides of immigration transactions with the Department of Homeland Security, Executive Office for Immigration Review, Immigration Court, and Board of Immigration Appeals, as well as, the Department of Labor.

She has secured nonimmigrant work, investor and specialized visas for virtually every visa category under the U.S. Immigration Act. She specializes in advising corporations on all aspects of work visa and immigration employment compliance issues. She has lectured before state government agencies, corporations, universities, and consulates on issues related to the immigration laws of the United States.

This experience in helping workers, employers, students, and families navigate the U.S. immigration system has equipped her to deal with matters big and small. From visa applications, to political asylum or labor certification, her experience and "team approach" has helped countless clients succeed.


J.D., Loyola University School of Law, 1994

Masters of Arts in Spanish, Middlebury College, 1991

B.A. in Spanish, College of the Holy Cross, 1990

Jurisdictions Admitted to Practice Massachusetts, 1994
U.S. District Court, 2011
U.S. Court of Appeals for the First Circuit, 2012
Professional & Bar Association Memberships

Massachusetts Bar Association
Member Since: 2005

American Immigration Lawyers Association
Member Since: 2008

Speaking Engagements

Immigration Topics for the Entrepreneur, MIT Sloan School, 2015.

Immigration Options for Emerging Entrepreneurs, Babson College School of Business, 2014.

Business Lunch Roundtable, Pepper Hamilton LLP Boston, 2011.

US Visa Options for MBA Students, Hult School of Business, Boston, MA; 2010.

Featured Pro Bono Activities

Mayor's Office for New Bostonians, Boston, MA 2009-2012

Guatemalan Consulate of New York, 1997

Client Reviews
Lesley did a wonderful job for us. Her attention to detail and thoroughness paved the way for a successful outcome of our case. We are very pleased with her staff as well and I would definitely recommend her. Ryan Currin
Estoy bien contento con mi abogada. Porque tienen experiencia, responsabilidad y profecionalismo. Y les doy gracias por haverme alludado en mis asuntos legales, se los recomiendo que ellos te alludaran sin ningun problema. Sin dudarlo ve y compruebalo tu mismo. Ya se los e recomendado a mis amigos. Gracias a la abogada Lesley y a todo su personal por haver hecho mis sueños realidad. Luis
I've been with lesly houser since 2001, she managed my immagration status for me and my family and also some friends i recomended to go to her. I definitely recommend her for any immagration case. Daniel
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