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• Comment: In accordance with Wikipedia's Conflict of interest guideline, I disclose that I have a conflict of interest regarding the subject of this article. TimJSCastle (talk) 05:37, 14 July 2026 (UTC)

Tim Castle is a British author, negotiation trainer and speaker based in Singapore. His work focuses on negotiation, sales, influence, trust-building and the role of artificial intelligence in professional communication and business negotiation.

Castle is the author of The Art of Negotiation: How to Get What You Want (Every Time), published in 2018. The book was cited in a 2024 article in the Journal of the American Academy of Matrimonial Lawyers on negotiation strategies and techniques.^[1]

In 2019, Castle's book Be The Lion was reviewed by HRM Asia, which described it as a self-help book drawing on motivational writing, business psychology and the author's own experiences.^[2]

Castle's book The Momentum Sales Model: How to Achieve Success in Sales, Exceed Targets and Generate Explosive Growth was shortlisted in the Sales & Marketing category at the Business Book Awards 2024.^[3] In 2025, the book received a silver medal in the sales category at the Axiom Business Book Awards.^[4]

Castle has been quoted by business media on negotiation and career strategy. In 2024, Investor's Business Daily quoted him in an article on improving negotiation skills, where he described negotiation as a process involving creativity, flexibility and collaboration, and discussed emotional control, curiosity and composure in high-pressure negotiations.^[5]

In 2026, SUCCESS published a feature interview with Castle on negotiation in the age of artificial intelligence. The article described him as the founder of The Negotiator's Edge Training Academy and covered his concept of the "hybrid negotiator", referring to professionals who combine AI-assisted preparation with human judgement, trust-building and influence in negotiations.^[6]

Castle's 2026 book Magnetic Influence: How to Negotiate and Persuade in a Disrupted World was published by Kogan Page. The book addresses negotiation, persuasion, trust-building and the use of artificial intelligence in professional communication.^[7]

In 2026, Castle appeared on CNA938's Mind Your Money, where Cheryl Goh interviewed him about Magnetic Influence, artificial intelligence, decision-making, hiring, performance reviews, deal-making and leadership conversations in the workplace.^[8]

Castle also appeared on John Barrows' sales podcast Make It Happen Mondays, in an episode titled "Why Trust Is the Ultimate Sales Advantage in the AI Era with Tim Castle".^[9]

In 2026, Castle was listed at number nine in Global Gurus' ranking of the World's Top 30 Negotiation Professionals.^[10]

Castle has also contributed writing on leadership and negotiation to Entrepreneur UK.^[11]

Castle is the founder of The Negotiator's Edge Training Academy, a negotiation training and advisory company focused on influence, negotiation and communication in technology-shaped business environments.^[12][13]

• The Art of Negotiation: How to Get What You Want (Every Time) (2018)
• Be The Lion (2019)
• The Art of Decision Making: How to Make Effective Decisions Under Pressure (2020)^[14]
• The Momentum Sales Model: How to Achieve Success in Sales, Exceed Targets and Generate Explosive Growth
• The First Domino (Lion House Publishing, 2025)^[15]
• Magnetic Influence: How to Negotiate and Persuade in a Disrupted World (Kogan Page, 2026)

• Official website
• The Negotiator's Edge Training Academy

I am Tim Castle, the subject of Draft Castle. I have a conflict of interest and am submitting this draft through Articles for Creation for review by independent editors. I will not move the article to mainspace myself.