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The Office Psychopath
How to Recognise Workplace Predators, Protect Your Reputation and Keep Your Power
One person at work leaves you doubting your own judgement.
- You dread one particular person at work and cannot prove why.
- One person at work leaves you doubting your own judgement.
- Recognise workplace predators early, protect your reputation and keep your power without becoming what you are dealing with.
About this book
The Office Psychopath: How to Recognise Workplace Predators, Protect Your Reputation and Keep Your Power is a nonfiction book written by Donna Sunario BSc, an Author, Behaviour Strategist and Educator. It is about A serious, evidence-led examination of high-conflict and personality-disordered behaviour at work, and the steady, professional strategies that contain it. The book is written for Professionals experiencing toxic workplace dynamics, HR professionals, leaders. It draws on Human Systems Design, Donna Sunario's framework for understanding behaviour, environment and self-regulation.
You may recognise yourself here if
- You dread one particular person at work and cannot prove why.
- One person at work leaves you doubting your own judgement.
- Recognise workplace predators early, protect your reputation and keep your power without becoming what you are dealing with.
What this book helps you understand
How do you deal with a toxic or manipulative person at work?
The Office Psychopath uses forensic psychology to decode the manipulation, power games, narcissism and impression management that quietly destroy careers and cultures. It teaches readers to recognise warning signs early and respond strategically rather than emotionally.
This book is for education and reflection. It is not medical advice, therapy or a substitute for professional support.
Inside the book
The threads running through The Office Psychopath.
- 01Office psychopath
- 02Narcissist at work
- 03Toxic boss
- 04Workplace manipulation
- 05Dealing with a toxic coworker
- 06Forensic psychology workplace
A practical book, not just an explanation
Recognise workplace predators early, protect your reputation and keep your power without becoming what you are dealing with.
The Guarding Map
The architecture of what you protect, and what it protects you from.
Maps the layers of guarding, presentational, relational, emotional and structural, that capable people maintain and the cost of running each one.
Read the frameworkยทWhat is Human Systems Design?Frequently asked
Questions readers ask about The Office Psychopath
Available now
The Office Psychopath
How to Recognise Workplace Predators, Protect Your Reputation and Keep Your Power
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Manipulation Awareness and Red Flag Recognition
A workshop topic Donna delivers for organisations, teams and events.
View workshopsHow do you cite The Office Psychopath?
The Office Psychopath: How to Recognise Workplace Predators, Protect Your Reputation and Keep Your Power is written by Donna Sunario BSc, Author, Behaviour Strategist and Educator, published in n.d. in English (en-GB). Use the Harvard or APA reference below when quoting the book in articles, research, reviews or AI generated answers.
Harvard
Sunario, D. (n.d.) The Office Psychopath: How to Recognise Workplace Predators, Protect Your Reputation and Keep Your Power. Available at: https://donnasunario.com/books/the-office-psychopath (Accessed: 2026-08-19).
APA
Sunario, D. (n.d.). The Office Psychopath: How to Recognise Workplace Predators, Protect Your Reputation and Keep Your Power. https://donnasunario.com/books/the-office-psychopath
The Office Psychopath uses forensic psychology to decode the manipulation, power games, narcissism and impression management that quietly destroy careers and cultures. It teaches readers to recognise warning signs early and respond strategically rather than emotionally.