Background
O'Connor, Mark J. was born on September 23, 1966 in Weymouth, Massachusetts, United States.
O'Connor, Mark J. was born on September 23, 1966 in Weymouth, Massachusetts, United States.
University of Pennsylvania (Bachelor of Arts, magna cum laude, 1989). University of California, Los Angeles (Juris Doctor, 1992).
Worked at Piper & Marbury L.L.P. Admitted to the bar, 1992, District of Columbia. (Resident, Washington, D.C. Office).
Piper & Marbury L.L.P. is a full service business law firm with over 320 lawyers in its major offices in Baltimore, Washington, D.C., New York and Philadelphia. The firm's roots go back to the late nineteenth century in Baltimore and its expansion through the mid-Atlantic region reflects the national and international scope of our practice.