# Rayyan Islam

> Rayyan Islam is a seed investor at 8090 Partners backing Renewable Energy and Energy. See 42 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [8090 Partners](https://shizune.co/investors/profile/8090-partners)
- Location: Los Angeles, United States
- Total investments: 42
- Last investment: Feb 2026
- Lead investor: 12%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/rayyanislam/
- X (Twitter): http://twitter.com/RayyanIslam1
- Website: https://x.com/RayyanIslam1
- Facebook: http://www.facebook.com/rayyanislam.vc

Rayyan Islam is a seed investor at 8090 Partners in Los Angeles focused on Renewable Energy and Energy. Rayyan Islam is the Co-Founder and General Partner at 8090 Industries. As serial entrepreneur, investor and advisor focused on industrial technology and the low-carbon economy, the companies Rayyan's invested in, sourced and advised have grown to over $8B in market value and have gone to raise further financing from the likes of SequoiaCapital, Union Square Ventures, Lux Capital, Andreessen Horowitz, Venrock, Khosla Ventures and Bill Gates's Breakthrough Energy Ventures. Rayyan previously spent time helping source technology investments for multiple family offices globally, particularly focused towards industrialists based in the Texas and American midwest region and began his VC career at leading East Coast seed stage venture firm, Romulus Capital, where he sourced the firm’s most valued investment, EquipmentShare.A product manager by trade, he worked stints at Spotify, was on the founding team of a subscription airline and began his career supporting M&A transactions for industrial clients at Deloitte as well as economic developments efforts for Deloitte Consulting’s Emerging Markets Practice. Rayyan is a Forbes 30U30 Fellow, served as a United Nations Youth Delegate and is a recipient of the Outstanding Youth Delegate Award.Influenced by his family upbringing in Bangladesh, he personally witnessed energy security issues and the ramifications of climate change at a young age and its impact on communities around the world. Determined to make a serious dent on the issue, Rayyan supports a cadre of climate solutions, drafted policy recommendations to President Joe Biden’s climate transition team and is the editor of Decarbon Weekly, a decarbonization focused newsletter which counts leading climate scientists, members of state and local governments, climate tech founders and ESG focused investors and foundations amongst its subscription base. Rayyan co-founded the industrial decarbonization fund at 8090 Partners, in partnership with prominent industrial and energy families from around the world to invest, support and accelerate breakthrough technology companies decarbonizing every industrial sector driven by radical economic advantages.Rayyan and his work has been featured on Bloomberg, Yahoo Finance, Huffington Post and Forbes.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $230k–$15M |
| Series A | $950k–$50M |
| Venture - Series Unknown | $69M–$250M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Renewable Energy | 8 | 19% |
| Energy | 7 | 17% |
| Manufacturing | 6 | 14% |
| Biotechnology | 5 | 12% |
| Industrial | 3 | 7% |

68 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 16 | 38% |
| Series A | 7 | 17% |
| Venture - Series Unknown | 5 | 12% |
| Funding Round | 2 | 5% |
| Pre-Seed | 1 | 2% |

7 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 25 | 60% |
| France | 1 | 2% |
| Switzerland | 1 | 2% |
| United Kingdom | 1 | 2% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Avalanche Energy | Avalanche Energy is a fusion energy startup that develops micro-fusion reactors for distributed energy and mobility. The company's modular reactor architecture can be stacked for limitless power applications and energy density, allowing it to offer clean energy while also decarbonizing the planet. It provides quick iterations of design, build,test, and fix cycles, allowing for speedier development and the rapid scaling required by the world. | $29M |  | Feb 03, 2026 |  |
| Fleetzero | Fleetzero is building battery electric cargo ships to affordably decarbonize ocean freight. | $43M | Series A | Jan 16, 2026 |  |
| Exowatt | Modular Full-Stack Renewable Energy Solutions for Commercial and Industrial Applications | $50M | Series A | Nov 13, 2025 |  |
| Orbit Fab | Orbit Fab offers a supply of satellite propellant in Earth Orbit that expands the operational potential of new and existing space assets. It develops the infrastructure needed to grow a thriving in-space market for products and services that support both existing space businesses (communications and Earth observation) and new industries like spacetourism, manufacturing, and mining. The future for satellites is no longer restricted to the fuel they are launched with. Orbit Fab was founded in 2018 by its Co-Founders Daniel Faber and Jeremy Schiel. | $28.5M | Series A | Apr 17, 2023 |  |
| Tiamat Sciences | Tiamat is a start-up producing affordable animal-free growth factors and biomolecules using plants as bioreactors. Thanks to its propriety platform, the company can manufacture a wide range of high-value proteins from antigens to growth factors.The company has already achieved a 10x cost reduction and at scale can get costs down 1000x even at 80%growth-margins, giving them a wide ability to price strategically. the coming years. The low investment needed to build a facility (up to 40x less than current solutions) combined with its unique technology makes Tiamat the ideal partner in production scale-up for promising markets that will soon become enormous such as cellular agriculture or cell & gene therapy. | $2M | Seed | Mar 09, 2023 |  |
| Circ | Circ helps industries meet consumer expectations for sustainability without compromises in quality, price, or convenience. It recycles discarded clothing to produce the basis of petroleum- and plant-based fabrics. Tyton’s virgin-equivalent, market-grade dissolving pulp, and petroleum monomers can be sold at the same cost as virgin materials tomanufacturers who make fibers. Whether cotton, poly-cotton, polyester, nylon, or other fibers, it aims to cost-effectively recycle these materials using water as a solvent. It was founded in 2011 and is headquartered in Danville, Virginia. | $25M | Series B | Mar 01, 2023 |  |
| Orbit Fab | Orbit Fab offers a supply of satellite propellant in Earth Orbit that expands the operational potential of new and existing space assets. It develops the infrastructure needed to grow a thriving in-space market for products and services that support both existing space businesses (communications and Earth observation) and new industries like spacetourism, manufacturing, and mining. The future for satellites is no longer restricted to the fuel they are launched with. Orbit Fab was founded in 2018 by its Co-Founders Daniel Faber and Jeremy Schiel. |  | Venture - Series Unknown | Oct 25, 2022 |  |
| Circ | Circ helps industries meet consumer expectations for sustainability without compromises in quality, price, or convenience. It recycles discarded clothing to produce the basis of petroleum- and plant-based fabrics. Tyton’s virgin-equivalent, market-grade dissolving pulp, and petroleum monomers can be sold at the same cost as virgin materials tomanufacturers who make fibers. Whether cotton, poly-cotton, polyester, nylon, or other fibers, it aims to cost-effectively recycle these materials using water as a solvent. It was founded in 2011 and is headquartered in Danville, Virginia. | $30M | Series B | Jul 12, 2022 |  |
| Circ | Circ helps industries meet consumer expectations for sustainability without compromises in quality, price, or convenience. It recycles discarded clothing to produce the basis of petroleum- and plant-based fabrics. Tyton’s virgin-equivalent, market-grade dissolving pulp, and petroleum monomers can be sold at the same cost as virgin materials tomanufacturers who make fibers. Whether cotton, poly-cotton, polyester, nylon, or other fibers, it aims to cost-effectively recycle these materials using water as a solvent. It was founded in 2011 and is headquartered in Danville, Virginia. | $30M | Series B | Jul 12, 2022 |  |
| Cache | Biomolecules are the next bits of the 21st century. So we're developing the first wet operating system for storing, accessing, and computing biomolecules at scale to make them widely accessible and useful. We're enabling the storage and access to the whole data universe—digital and biological—forever so that we don't have to deleteor dispose of anything ever again. |  | Pre-Seed | Apr 05, 2022 |  |

10 of 42 investments shown.

## Co-investors
- [8090 Industries](https://shizune.co/investors/profile/8090-industries) — VC Fund, 5 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 4 deals together
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund, 3 deals together
- [Circulate Capital](https://shizune.co/investors/profile/circulate-capital) — VC Fund, 3 deals together
- [Draper Associates](https://shizune.co/investors/profile/draper-associates-2) — VC Fund, 3 deals together
- [Alante Capital](https://shizune.co/investors/profile/alante-capital) — VC Fund, 2 deals together

## About 8090 Partners

VC Fund · New York, United States

Backed by several multi-billion dollar family offices, 8090 Partners is a private partnership of industry-leading families and entrepreneurs focused on direct investments and other opportunistic transactions. 8090's flexible mandate and long-term horizon amplify and complement our partners' single family office investments.

5 contacts available at 8090 Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Kerem Ozmen | Co-Founder and Managing Partner | https://shizune.co/investors/profile/kerem-ozmen |
| Caroline Pugh | Vice President of Partnerships | https://shizune.co/investors/profile/caroline-pugh-d92f |
| Esteban Coppel Gómez | Head of Mexico | https://shizune.co/investors/profile/esteban-coppel-g%C3%B3mez |
| Jasper Lau | Co-Founder and Managing Partner | https://shizune.co/investors/profile/jasper-lau |
| Rayyan Islam | Partner | https://shizune.co/investors/profile/rayyan-islam |

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## FAQ

### What does Rayyan Islam invest in?

Rayyan Islam invests primarily in Renewable Energy, Energy and Manufacturing startups, most often at Seed and Series A 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 Rayyan Islam's check size?

Rayyan Islam typically joins rounds of $230k–$15M at Seed, $950k–$50M at Series A and $69M–$250M at Venture - Series Unknown. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Rayyan Islam participates in.

### When did Rayyan Islam last invest?

The most recent investment recorded for Rayyan Islam closed in Feb 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 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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