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Atty. Jill O’Brien

Atty. Jill O’Brien

Jill O’Brien is a Employment Law - Management and Labor Law - Management attorney in Chicago, IL. Read Jill O’Brien's profile to learn more about them and discover their Best Lawyers rankings.

Call (516) 716-4444 Book Appointment

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About Jill O’Brien at a glance

Jill O’Brien is an attorney, practicing at Cozen O'Connor.

Verified attorney profile · Updated June 2026

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