Alejandro Caldentey

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Last updated: November 2026

This website stores as little as possible in your browser.

  1. No tracking cookies. This website does not use advertising cookies or third-party tracking cookies.
  2. Booking a call (Cal.com). When you book a call, you do it on cal.com, which may set its own technical cookies to manage the booking. You can read its policy at cal.com/privacy.
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  4. No preferences stored. The site is only in English and does not remember any choice of yours. The check keeps your answers only while the page is open.

Any questions: alejandro@datalethia.com

You know your data is a mess. That's the best place to start.

I design how data reaches the people who decide, fast and correct, in a way your team can use, grow and keep running long after I've gone.

Rather ask your own AI? It opens with the question already written: who I am, how I work, what it costs and whether I fit your company. It reads this site and answers in its own words.