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Alejandro Sánchez

Product & CTO
Alejandro Sánchez is co-founder, Product lead, and CTO of 4Geeks Academy, an international AI-native tech education platform. He started coding at 13 and has spent his career building products and teaching software development, including co-founding 4Geeks.com and LearnPack, an interactive coding-tutorial platform. He holds an engineering background with a business diploma from IESA, and today builds AI-powered tools and curriculum that help thousands of students transition into tech careers each year.

Articles

Ai Tools

How to Use ChatGPT: A Step-by-Step Guide for Beginners

Learn how to use ChatGPT step by step: create a free account, write better prompts, try 10 practical uses with example prompts, and protect your data.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

How to Use AI: A Practical Guide for Beginners (2026)

Learn how to use AI step by step: pick an assistant, write clear prompts, check answers and protect your data. Includes 10 example prompts for work and life.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

How to Use Claude: A Practical Guide for Work

Learn how to use Claude at work: where to access it, which plan and model to pick, key features like Projects and connectors, 10 prompts to copy, free courses.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

AI for Business Course: What to Learn and Where

What an AI for business course should teach, how self-paced, vendor, executive and cohort formats compare, red flags to avoid and a 30-day plan to apply AI.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

AI in Healthcare Courses: What Clinicians and Staff Learn

Compare AI in healthcare courses and certificates for clinicians, nurses, and health staff: who each fits, what they cover, costs, and how to use AI safely.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

AI Product Manager Courses and Certifications

AI product manager courses compared: what changes in the role, the skills to look for, verified prices and formats, a 60-day plan and portfolio projects.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

AI Literacy: The Skills Everyone Needs Now

AI literacy explained: the eight core skills, three levels from user to builder, a 10-question self-check and a 30-day plan to build AI skills for work.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

Best AI Certifications in 2026: Compared by Career Goal

Compare the best AI certifications for 2026 from AWS, Microsoft, Google Cloud, NVIDIA and more: who each one is for, exam format, prerequisites and fees.

Alejandro SanchezSeptember 30, 2026
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Ai Tools

What Is a Prompt? Parts, Types, and Examples for AI

What is a prompt, what is it for, and how do you write a good one? Learn the parts of a prompt, the main types, and weak vs. strong examples for work.

Alejandro SanchezSeptember 30, 2026
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Ai Engineer

AI Engineer Interview Questions: 1,988 Analyzed

We sorted 1,988 AI engineer interview questions by source. Real interviews test agents, project defense, and indexes. Study banks push fine-tuning.

Alejandro SanchezSeptember 25, 2026
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Ai Tools

What Is an MCP Server? Why It's Not an API Endpoint

An MCP server exposes a company's tools and the workflows between them to any AI agent. Definition, code, three server patterns, and one enterprise example.

Alejandro SanchezSeptember 7, 2026
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Ai Tools

How We Run Our Website With AI Agents and One MCP Server

Agents run our 606-page site with no AGENT.md and no skill files. In 5 days they resolved 229 issues, and the server stopped bad writes 4 times.

Alejandro SanchezSeptember 6, 2026
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