is method,
not magic.

The Before/After method and the Perfect Prompt Formula (6 pillars) — the same method that works for lawyers, marketers, managers, and any professional. Built over 17 years of software engineering and applied AI.

Who's behind this

Hi, I'm Marcelo dos Santos.

I help professionals actually use AI — not as a chat — but as a working tool. Before/After method, no hype, no code.

  • 17+ years in software engineering & AI
  • Built and shipped systems at enterprise scale
  • Before/After methodology · developed through software engineering and applied AI experience
Who it's for

Brazilian businesses across sectors or liberal professionals — the method applies.

Agro and cooperatives

Management reports, monthly closing, minutes, credit memos, and producer communications.

See Portuguese agro hub →

Industry

Procedures, quality, purchasing, maintenance, and production reports with human review.

See Portuguese industry hub →

Retail and shops

Quotations, customer service, catalog, stock, and recurring client follow-up.

See Portuguese retail hub →

Professional services

Proposals, reports, documents, and administrative routines.

See Portuguese services hub →

Lawyers

Contract review, case law research, and drafting with the anchor method.

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Marketers

Campaigns, copywriting, and competitive analysis with the Perfect Prompt Formula.

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Managers

Spreadsheet analysis, executive reports, and data-driven decisions — in minutes.

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Job seekers

Interview prep, résumé review, and LinkedIn optimization with AI.

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Philosophy

Three beliefs that shape everything.

1. Method, not magic.

AI isn't a fortune teller. With the right method it's a reliable working tool — predictable, repeatable, improvable.

2. No code necessary.

Software is eating the world. You don't need to build software to benefit. You need a framework — and the Before/After method is it.

3. Outcomes over outputs.

Tools change. The job-to-be-done doesn't. We optimize for outcomes — emails answered, decisions made, hours saved.

What now

Three doors. Pick one.

Explore by profession

Practical articles for lawyers, marketers, managers, and more.

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Build a personal practice

A structured way to turn useful ideas into repeatable habits.

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