Jeff Crusey
Investment Manager @ Seraphim Space
London, United Kingdom
Jeff Crusey is a pre-seed investor at Seraphim Space in London focused on Manufacturing and Artificial Intelligence. Jeff Crusey
- Total investments:
- 42
- Last investment:
- Lead investor:
- 5%
Last updated:
For AI agents: llms.txt
Industries Jeff Crusey invests in
Stages Jeff Crusey invests in
Countries Jeff Crusey invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1M–$9M
- Pre-Seed
- $2.8M–$5.4M
Investment Focus
Industry
- Manufacturing 10 (24%)
- Artificial Intelligence 8 (19%)
- Information Technology 7 (17%)
- Software 6 (14%)
- Robotics 4 (10%)
Stage
- Pre-Seed 10 (24%)
- Seed 9 (21%)
- Series A 7 (17%)
- Funding Round 4 (10%)
- Venture - Series Unknown 3 (7%)
Country
- United States 26 (62%)
- United Kingdom 9 (21%)
- Italy 1 (2%)
- Denmark 1 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Mulberry Industries manufactures and supplies permanent magnets and advanced electrical systems for automotive and robotics industries. | Seed / Apr 02, 2026 | ||
| Surgical platform | Pre-Seed / Mar 01, 2026 | ||
| Seasats autonomous ocean vehicles provide remote monitoring and data collection for defense and commercial customers at a fraction of the cost, logistics, and risk compared to traditional methods. | $20M / Series A / Feb 17, 2026 | ||
| Monumental Labs is building AI-enabled robotic stone carving factories. | $9M / Seed / Jul 08, 2025 | ||
| OpenLight is a manufacturing industry. | $3.5M / Seed / Feb 04, 2025 | ||
| Portal Space Systems is a full-service space manoeuvrability solution that delivers tactical response and dynamic space. | Seed / Feb 04, 2025 | ||
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Amali Systems
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Nuclear | Pre-Seed / Nov 30, 2024 | |
| Bea Fertility is a monthly subscription program that provides users with at-home fertility treatment and ovulation tracking. The kits offered by Bea Fertility include an intracervical insemination device, as well as pregnancy tests, fertility trackers, and sperm donation pots. Bea Fertility democratizes effective and affordable fertility treatmentfor individuals and couples who are having difficulty conceiving. | Convertible Note / Aug 31, 2024 | ||
| Perceptive Space is developing an AI-powered space weather platform that delivers predictions and decision intelligence to ensure safe and reliable operations in challenging space environments. By providing hyperlocal space weather forecasts and asset-specific insights into space weather impacts, Perceptive Space aims to help satellite operatorsand launch providers extend mission lifetimes and reduce operational downtimes and service interruptions. | $2.8M / Pre-Seed / Aug 06, 2024 | ||
| Perceptive Space is developing an AI-powered space weather platform that delivers predictions and decision intelligence to ensure safe and reliable operations in challenging space environments. By providing hyperlocal space weather forecasts and asset-specific insights into space weather impacts, Perceptive Space aims to help satellite operatorsand launch providers extend mission lifetimes and reduce operational downtimes and service interruptions. | Pre-Seed / Jul 01, 2024 | ||
| See all 42 investments → | |||
Co-Investors
About Seraphim Space
Seraphim Capital is dedicated to financing the growth of companies operating in the space ecosystem. They are an ambitious team with a wide variety of backgrounds and experiences in Venture. Collectively they have over 100 years’ experience, investing in over 180 early and growth stage businesses, returning more than £750 million to theirshareholders.They are also fortunate to have one of the world's leading entrepreneurs and experts in Earth Observation on board. They work closely with their portfolio companies and always strive to create meaningful value and endeavour to ensure that the full value of their network and partners is utilised.The backing of leading global corporates in the Space sector and the leading Space related Governmental Agencies in the UK and Europe brings significant value. They are able to leverage their capital, industry leading knowledge and networks, creating an ecosystem that delivers real results for your business. From roots to market, sales and marketing, partnerships, follow-on capital, and M&A they can deliver value creation across the company growth cycle globally.
Seraphim Space Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Alexander Holt
Managing Director, Seraphim Space Enterprise
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Andre Ronsoehr
Principal
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Conor O'Sullivan
Analyst
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Conor O'Sullivan
Analyst
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Francesca Warner
Venture Advisor
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FAQ
What does Jeff Crusey invest in?
Jeff Crusey invests primarily in Manufacturing, Artificial Intelligence and Information Technology startups, most often at Pre-Seed and Seed stage. Most of the 42 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Jeff Crusey's check size?
Jeff Crusey typically joins rounds of $1M–$9M at Seed and $2.8M–$5.4M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jeff Crusey participates in.
How do I contact Jeff Crusey?
Public channels for Jeff Crusey include LinkedIn, X (Twitter) and the website linked on this profile. 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 Jeff Crusey last invest?
The most recent investment recorded for Jeff Crusey closed in Apr 2026. Shizune tracks 42 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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