Sarah O’Sullivan

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In 2020, Sarah O’Sullivan graduated from the University of Limerick, Ireland with a bachelor’s degree in law (LLB). In 2021, Sarah successfully completed the FE-1 examinations, making her eligible for entry into Blackhall Place and subsequent qualification as a solicitor in Ireland.

In June 2021, Sarah joined Brinen & Associates LLC. She provides legal support for the litigation team and provides support and counsels corporate clients. Sarah is a Junior Associate with experience in Corporate Litigation, Corporate Structuring, Mergers and Acquisitions, Estate Planning and Tax Controversies.

During her time in Brinen & Associates, Sarah has assisted two commercial litigation trials and has participated in several arbitration and mediation settlement conferences.

She recently sat the July 2023 New York State Bar exam and is awaiting results.

Sarah’s philosophy is that the ingredients to make a great lawyer is a well-rounded knowledge and appreciation for the law, and an open mind when finding workable solutions for clients.



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I formerly worked as a satellite employee from my home state of New Jersey. I ended my employment with my former employer in 2016. In 2018, I was sued by my former employer for $1.1 million in Illinois State Court. I was referred to Brinen & Associates, LLC by a friend who is a client of the firm. Brinen & Associates, LLC came highly recommended. I contacted Joshua Brinen and then had a consultation at his office with his colleague Mark White. Together, Messrs. Brinen and White explained my options…

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