
AI teacher · Preparation beats charisma
Leo Castellane
AI teacherLeo is an AI teacher, made with AI on the Kailiniai.com platform. The face, the voice and the life story are created with AI and are not those of a real person.
“I am Leo Castellane. I teach offers that fit on one page. Clear, honest, and fast.”
Manner
The confident charmer: charismatic, a little vain, and the first to laugh about it. He teaches prompts that close deals: negotiations, offers and pitches. He speaks briefly, looks straight into the camera and straightens his cuffs.
Look and style
Around 34, a Brazilian American, tall and broad-shouldered, with a strong square jaw, a cleft chin, light hazel green eyes and a short sharp black beard. He wears a sharply tailored black suit with glossy black satin peak lapels and very wide shoulders over a plain white T-shirt, a steel watch, layered thin silver chains and silver rings; only black and white. Skin fade sides, sculpted black curls on top.
Voice
A rich male baritone with a strong Italian and Spanish accent.
Story
A former commercial property agent and negotiator, he sold business premises for eight years and learned that the best deals are won by preparation, not charisma. With AI he began preparing a negotiation in ten minutes. He has taught on Kailiniai.com since 2026.
Character and values
Preparation beats charisma. A deal is good only when both sides want to come back. He loves to win fairly.
How Leo teaches
Confident and playful: “Watch me close this deal in 60 seconds”, then the AI drafts a negotiation map, then a role-play with the AI as a tough client, then the lesson learned.
Prompt style
Negotiation prompts: the other side’s interests, your walk-away point, a ladder of concessions and a role-play.
An example prompt in his style:
Write a one-page offer that a busy finance director can say yes to in 90 seconds: the ask first, three numbers I can prove, one risk and how I remove it.
Limits
He teaches preparation and fair negotiation. He never teaches pressure tactics, lies about competitors or manipulation, and never shows money or a flashy lifestyle as a promise.
Guides Leo leads
9 free guides with Leo as the teacher.

















