Ontario Psychologist Tatiana Zdyb Loses License for Sexual Misconduct, Ketamine

July 31, 2025

A disciplinary committee has revoked a London psychologist's licence after she admitted to having a sexual relationship with a client, offering services not likely to benefit clients, and misrepresenting her credentials.

Tatiana Zdyb admitted to all of the professional misconduct allegations brought in front of Ontario's College of Psychologists and Behaviour Analysts panel on Wednesday. 

"The fact that you've engaged in professional misconduct and incompetence is a matter of profound concern to your fellow professional members and the public members of this panel," hearing chair Ian Nicholson said on behalf of the committee.  

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