Isabella works on a team of one attorney, three paralegals, and two secretaries. They defend product liability cases brought against their employer, a
medical-device manufacturer.

Corporation

Explanation:

Paralegals are what you would call legal assistants. Even though they are not called to the bar, they posses legal knowledge that helps them give support to lawyers, corporations, and even Governmental agencies.

As shown from the definition, paralegals can work for various types of employers including lawyers, corporations, Government agencies and sometimes even courts if they freelance. In this scenario, Isabella works for a medical-device manufacturer and so Isabella's employer is a Corporation.