# Alejandro Castillejo Martínez

> Alejandro Castillejo Martínez is a pre-seed investor at Sanitas backing Hospital and Health Care. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Sanitas](https://shizune.co/investors/profile/sanitas)
- Location: Madrid, Spain
- Total investments: 1
- Last investment: Apr 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/acastillejo/?originalSubdomain=es

Alejandro Castillejo Martínez is a Head of Sanitas Ventures | Seed Investor.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Hospital | 1 | 100% |
| Health Care | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Maternify | Maternify is a healthcare service for home and online pregnancy and postpartum accompaniment. | $505K | Pre-Seed | Apr 25, 2023 |  |

1 of 1 investments shown.

## Co-investors
- [ENISA](https://shizune.co/investors/profile/enisa-2) — VC Fund, 1 deal together

## About Sanitas

VC Fund · Madrid, Spain

Sanitas is the brand of Hans Dinlage GmbH it has been a successful brand in the wellness and health market.

5 contacts available at Sanitas.

| Name | Title | Profile |
| --- | --- | --- |
| Alejandro Castillejo Martínez | Head | https://shizune.co/investors/profile/alejandro-castillejo-mart%C3%ADnez |
| Alejandro De Zunzunegui | Chief Digital and Transformation Officer | https://shizune.co/investors/profile/alejandro-de-zunzunegui |
| Alfonso de Arteaga Álvarez | Northeast Region Customer’s Director | https://shizune.co/investors/profile/alfonso-de-arteaga-%C3%A1lvarez |
| César Morcillo Serra | Medical Director at Sanitas Digital Hospital | https://shizune.co/investors/profile/c%C3%A9sar-morcillo-serra |
| Jesús Bonilla | Sanitas Dental Managing Director | https://shizune.co/investors/profile/jes%C3%BAs-bonilla |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund

## FAQ

### What does Alejandro Castillejo Martínez invest in?

Alejandro Castillejo Martínez invests primarily in Hospital and Health Care startups, most often at Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in Spain. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Alejandro Castillejo Martínez last invest?

The most recent investment recorded for Alejandro Castillejo Martínez closed in Apr 2023. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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