TORONTO - The former executive director of the University of Toronto students' union has filed a $300,000 countersuit against her ex-employer.

Sandra Hudson alleges the union breached the terms of her termination agreement -- which included non-disparagement and confidentiality clauses -- and harmed her reputation by filing a lawsuit against her and leaking the details to the media.

The union launched its suit earlier this year, alleging Hudson and two other former officials conspired to defraud the group of hundreds of thousands of dollars in unwarranted severance and overtime payouts.

In its statement of claim, the union says Hudson filed for about 2,000 hours of overtime she was not entitled to in April, just weeks before her contract was inexplicably terminated by the outgoing president and vice-president.

The document alleges then-president Yolen Bollo-Kamara and then-vice-president Cameron Wathey approved the overtime and agreed to fire Hudson so that she could enjoy an "excessive severance package" that included two years of salary.

Neither the initial suit nor the countersuit have been tested in court.