Ms. Agrusa received a Bachelor of Arts degree in History, with a specialization in Business Administration, from the University of California at Los Angeles in 1987. Following a Congressional Internship for Congressman David Dreier in Washington, D.C. in 1987 she attended Loyola Law School. Ms. Agrusa obtained her Juris Doctor degree in 1990 and was admitted to the practice of law that same year.

For most of Ms. Agrusa's legal career she has specialized in defending physicians and other health care providers. Before joining the Firm in 2003 she had gained a positive reputation as an effective medical malpractice defense attorney.