To answer your question seriously: Effective ways to force companies and institutions to keep the compostion of their leadership positions (or their workforce as a whole) at max. 2% Jewish without having to force them to fire already employed Jews, would include:

• Forcing companies and institution to not hire any more additional Jews until the Jewish proportion has dropped to max. 2%, in the same way companies and institutions are currently forced to not hire any additional white people until the white proportion has dropped to the required percentage under affirmitive action/"diversity" hiring policies.

• Forcing companies and institutions to implement anti-loxism training courses which all Jewish employees will be required to follow before they can start or continue their job, in the same way companies and institutions are currently forced to implement "anti-racism" training courses which all white employees are required to follow. These anti-loxism training courses would filter out most Jews with Jewish supremacist attitudes and convert the fence-sitters to anti-loxism, in the same way the current "anti-racist" training courses filter out most white people with pro-white sentiments and turn the fence-sitters into self-hating whites.

• Simply hiring additional white gentiles, until the Jewish proportion had dropped to max. 2%, thus expanding the total workforce of companies and institutions. To make up for the inefficiency forcibly expanding the workforce of companies and institions would cause, they'd have to start firing people more quickly for incompetence.