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Offer · Decision document

Two ways in. The same guarantee.

Everything you need to decide, on one page: what it costs, what's included, what isn't, and what happens if it doesn't work. Without re-explaining the method —that's here.

Commitment
3 months
Spots
6 at a time
Your time
2 h/wk

1 · What's included

ComponentWhat it isStandalone value
1:1 Program3 sessions of 40 min a week, wherever you are$900 USD
Initial assessmentincluded1:1 session with report and plan on day one$20 USD
Personalised protocolincludedBuilt on your data, not picked from a catalog$150 USD
Weekly adjustmentincludedEvery 7 days, with your metrics in front of us$180 USD
Video-call mentoringincludedTo your needs, not a fixed calendar$120 USD
Between-session follow-upincludedWith the person who signs the program, not a team$90 USD
Exclusive tracking appincludedCheck-in, metrics and your progress in view$80 USD
Sleep & energy protocolincludedThe part that decides how everything else performs$100 USD
Adapted nutritionincludedTo your schedule and what you already eat, no restrictive diets$90 USD
Body-composition measurementincludedWeight, waist and mass: progress without depending on the mirror$40 USD
Travel & broken-week planincludedThe month isn't lost when your schedule changes$30 USD
Standalone value of all the above$1,800 USD
What you pay for the quarter$900 USD

"Standalone value" is what each piece would cost to hire separately on the market, not a crossed-out marketing price. It's there to compare, not to impress you.

2 · The two ways, compared

Month to month

You'd rather spread the outlay and not front the capital.

$300 USD per month · 3 months

Guarantee
After completing the 3 months
Commitment
3 months minimum
Quarter total
$900 USD
Start with the assessment →

Quarter upfront

Immediate guarantee

You want the guarantee active from day 1, no waiting.

$900 USD one-off

Guarantee
Immediate, any time within the 3 months
Commitment
3 months
Quarter total
$900 USD
Start with the assessment →

Either way, you start with the initial assessment of$20 USD, credited in full to your first month if you join within 30 days.

3 · What it doesn't include

  • Supplements, lab tests or medical consults: if they're needed, they're coordinated with your doctor and paid separately.
  • Diagnosis or treatment of any illness. This does not replace medical care.
  • Closed diet plans or weighing food: we work with your real context.
  • In-person training. Everything is virtual, and that's the reason it works with your schedule.

4 · The guarantee

The risk is mine. If in 3 months you don't reach2–8 kg, or the goal we agree in the initial assessment, while doing your part, you choose: I refund you, or I keep working with you free until you get there.

Your part is the minimum: 3×40 min a week and metrics logged each week. Month to month, the guarantee applies after completing the 3 months; paying the quarter upfront makes it immediate, at any point within the 3 months. It's a range, not a fixed number, because the result depends on your starting point, your level and your genetics — which is why the assessment comes first.

5 · Who's on the other side

David Rentería. 15 years competing in combat sports and 5 training people who aren't athletes and don't want to be. More than 200 people coached.

The credential, and it can be checked

Aspire Leaders Program 2025 from the Aspire Institute, a nonprofit born from an initiative founded at Harvard University. Its leadership module is delivered by Harvard faculty and its career resources co-created with Harvard Business School — the Aspire Institute issues the certificate, not Harvard. It's signed by two of its professors, Tarun Khanna and Karim Lakhani. One of 5.463 who completed it, of 26.441 admitted across 180 countries.

No team and no interns: the assessment, the protocol and the weekly adjustments are done and signed by the same person who answers you. That's why it's 6 people at a time and why the minimum is 3 months — real 1:1 coaching doesn't scale like a recorded course.

Who he is, in fullHow he works

6 · How it starts

  1. 01

    Initial assessment

    $20 USD, creditable. You leave with your report and the goal agreed in writing.

  2. 02

    Protocol and first week

    You get the plan built from your data and the tracking app. You start that same week.

  3. 03

    Weekly adjustments

    Each week metrics are reviewed and whatever's needed is moved. No plan survives without adjustment.

7 · What people usually ask before joining

What if two months in I see it's not for me?

Paying month to month, you just stop paying the next month — that's it: no forced lock-in and no penalty. What doesn't apply is a refund of what's already been paid before completing the 3 months, because the guarantee measures the result of the complete protocol.

Why a 3-month minimum and not a one-month trial?

Because the change that gets measured — composition, sleep continuity, sustained energy — doesn't happen in 30 days. Selling a single month would be charging you for a phase that doesn't show a result yet, and then blaming you for it.

Is the initial assessment an extra cost?

No. The $20 USD is credited in full to your first month if you join within 30 days. If you don't join, you keep the report.

What if you raise the price while I'm a client?

Nothing. The price you accepted when you signed applies for your whole committed period. A rate change only affects new sign-ups.

Is the assessment a sales call in disguise?

No, and the way to check is that you pay up front and leave with a written report whether or not you feel like continuing. A sales call is free because the product is you. This one costs $20 USD, lasts 30 minutes, and if at the end I tell you you're not a fit for the program, I tell you — and the report is yours all the same.

Why charge $20 USD for the first session when others give it free?

For two reasons, both in your favor. The first is that a free session isn't prepared: this one is prepared with your bloodwork and your context before it starts, and that's work. The second is capacity: I work with 6 people at a time, so the assessment calendar can't fill up with curiosity. If you join within 30 days, the amount is credited in full and the session ends up free anyway.

Can I pay from outside Colombia?

Yes. The canonical price is in USD and payment is arranged in the initial assessment according to your country. The site shows you the reference in your local currency at the day's rate.

The next step is 30 minutes.

The initial assessment costs $20 USD and is credited in full if you join. You leave with your report, whether or not you feel like continuing.

Or write to [email protected]

Initial assessment

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30 minutes · by video call