Javier Ulecia
Founding Partner @ Bullnet Capital
Madrid, Spain
Javier Ulecia is a founding Partner at Bullnet Capital since October 2001. Javier graduated from the Universidad Politécnica, Madrid, as an Aeronautical Engineer. Javier holds an MBA from the H.E.C. School of Management, Paris. Javier is a Member of the Board of all the portfolio companies of Bullnet Capital I and II. Javier is also aMember of the Board of three non-technology companies (Reebok Sports Club, Image Fitness and Mangas). In April 2000, Javier co-founded and became Chief Executive Officer of Doing a Venture Capital firm specialized in technology related projects that managed a first fund of € 50MM, initially fully committed by Multitel (Spanish investor in the telecom sector). Prior to joining Doing, Javier was Senior Manager at Bain & Company, the international strategy consulting firm, where he worked for more than five years, first in the Paris office and, since September 1996, in Madrid. At Bain, Javier advised senior management of major Spanish and international companies on strategic issues, focusing primarily on corporate strategy, sales &marketing, mergers&acquisitions and operations. Javier was an active member of Bain’s Worldwide Telecom/Technology and E-Commerce practices, as well as of Bain’s Private Equity consulting practice, executing strategic due diligence on major deals for pan-European investors. Javier began his career with Renault in France as a Project Manager of its Research and Development Division, where he participated in projects developing on board telecommunication devices. Javier is an Associated Teacher at Instituto de Empresa, the Spanish business school. Javier also participates on a regular basis as a Speaker or Jury in Venture Capital forums and conferences.
- Total investments:
- 11
- Last investment:
- Lead investor:
- 100%
Last updated:
For AI agents: llms.txt
Industries Javier Ulecia invests in
Stages Javier Ulecia invests in
Countries Javier Ulecia invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
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Investment Focus
Industry
- Software 2 (18%)
- Electronics 2 (18%)
- Manufacturing 2 (18%)
- Semiconductor 2 (18%)
- Computer 1 (9%)
Stage
- Seed 5 (45%)
- Series A 2 (18%)
- Funding Round 2 (18%)
- Pre-Seed 1 (9%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
MLCode
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ML/AI Data Automation and Security | Seed / May 09, 2024 | |
Mapsi Photonics
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Mapsi Photonics focuses on developing macroporous silicon infrared filters for industrial applications like gas identification and thermal vision, aiming to improve performance, cost, resolution, operational range, and environmental footprint. | $1.6M / Seed / Apr 25, 2024 | |
Deep Detection
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Deep Detection manufactures multispectral x-ray cameras to detect just about anything you need to on high-speed continuous production lines. lightweight plastics, low density materials, non-homogeneous substrates, correct product checks, material identification, characterisation of attributes, composition, physical parameters, food quality, fruit,and cereals maturity, lean meat content, low calcified bones, high production speeds, deep bed inspection, imiscible compounds, fresh, frozen, solid, liquid, and composites assembly | Jul 18, 2023 | |
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Deep Detection
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Deep Detection manufactures multispectral x-ray cameras to detect just about anything you need to on high-speed continuous production lines. lightweight plastics, low density materials, non-homogeneous substrates, correct product checks, material identification, characterisation of attributes, composition, physical parameters, food quality, fruit,and cereals maturity, lean meat content, low calcified bones, high production speeds, deep bed inspection, imiscible compounds, fresh, frozen, solid, liquid, and composites assembly | Seed / Jul 18, 2023 | |
Quside
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Quside is a Barcelona-based startup that designs and manufactures innovative quantum components for any connected device. Using their proprietary quantum random number generation technology, they are enabling the next generation of encryption solutions. | $11M / Series A / Jul 04, 2023 | |
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MLCode
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ML/AI Data Automation and Security | Pre-Seed / Jun 07, 2023 | |
LeapWave Technologies
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LeapWave Technologies is a deep tech company. It converts the radio frequency paradigm and it's applications includes broadband interconnects and millimeter and sub-millimeter waves. | Seed / Apr 17, 2023 | |
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Quside
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Quside is a Barcelona-based startup that designs and manufactures innovative quantum components for any connected device. Using their proprietary quantum random number generation technology, they are enabling the next generation of encryption solutions. | Series A / Nov 30, 2022 | |
FYLA
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At FYLA we laser the new industry and beyond, by creating and commercialising laser technology by joining singularity, quality and profitability for our clients and stakeholders.• We pursue to lead the Industry transformation, trough photonics as a lever for the development of new sectors and new applications for the future of our society • Ourtechnology, people and values are the core assets of our organisations: We believe in shaping a better future. We leverage and promote excellence and trust. We take new challenges as our core motivation, in technology, business and life. • Life Science, Materials Processing and Optical Communications are the main target sectors for our lasers, laser systems and growing IP, while touching sub-sectors and adjacent applications, allowing us to capitalise our technology and talent, widening our client base. | $2.2M / Jul 01, 2018 | |
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FYLA
|
At FYLA we laser the new industry and beyond, by creating and commercialising laser technology by joining singularity, quality and profitability for our clients and stakeholders.• We pursue to lead the Industry transformation, trough photonics as a lever for the development of new sectors and new applications for the future of our society • Ourtechnology, people and values are the core assets of our organisations: We believe in shaping a better future. We leverage and promote excellence and trust. We take new challenges as our core motivation, in technology, business and life. • Life Science, Materials Processing and Optical Communications are the main target sectors for our lasers, laser systems and growing IP, while touching sub-sectors and adjacent applications, allowing us to capitalise our technology and talent, widening our client base. | $2.3M / Seed / Jul 01, 2018 | |
| See all 11 investments → | |||
Co-Investors
About Bullnet Capital
Bullnet Gestión, SGECR, S.A. is a venture capital firm specializing in early stage to development capital financing. The firm prefers to invest in technology oriented projects with a focus on software, hardware, and high value added services. It invests in companies originated and based in Spain. The firm typically invests between € 1million and €2.5 million in its portfolio companies, but is open to consider either smaller or larger rounds. It seeks to co-invest in larger projects. Bullnet Gestión, SGECR, S.A. was founded in 2001 and is based in Pozuelo de Alarcón, Spain.
Bullnet Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Carmen Arenzana
Finance Director
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Javier Ulecia
Founding Partner
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Jorge Fernández
Investment Analyst
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José Luis Gómez
Investment Manager
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Miguel del Cañizo
Partner
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FAQ
What does Javier Ulecia invest in?
Javier Ulecia invests primarily in Software, Electronics and Manufacturing startups, most often at Seed and Series A stage. Most of the 11 investments tracked by Shizune back companies in Spain. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Javier Ulecia?
Public channels for Javier Ulecia include LinkedIn and X (Twitter). For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Javier Ulecia last invest?
The most recent investment recorded for Javier Ulecia closed in May 2024. Shizune tracks 11 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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