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Casey O'Connell practices in the areas of business and commercial law, finance, and real estate, representing clients in a wide range of transactional matters.

Casey devotes most of his practice to documenting and closing business transactions, and has experience formulating contractual mechanisms to facilitate the organization, financing, operation and sale of corporations, partnerships and limited liability companies. He also has experience counseling quasi-public entities on contractual and other matters. Additionally, he advises lenders and borrowers in the documentation and execution of secured and unsecured loans and credit arrangements and advises employers in the creation of employment agreements and non-compete agreements. He has been selected by Super Lawyers® as a “Rising Star” in the areas of Business/Corporate, Banking, Mergers & Acquisitions, Closely Held Business, and Real Estate: Business since 2015.

Prior to joining Halloran & Sage, Casey served as the managing editor of the Western New England Law Review and completed internships with the United States District Court for the District of Connecticut and the United States Attorney's Office for the District of Massachusetts.

Before entering law school, Casey was the director of media relations for the New England Patriots, handling the organization's written media communications materials and helping to create and implement public relations strategies.