Cleantech Investment Portfolio

I invest in pre-seed and seed stage companies working to address the existential threat that climate change poses to our civilization. Please feel free to contact me at if you’re working on something exciting and impactful.

Investing in pre and seed stage climate tech companies that leverage hard science and novel engineering to create a global economy more closely aligned with the earth’s ecology.

BlocPower uses proprietary technology to analyze, finance and upgrade homes and buildings with the latest in energy-efficient, electric technology and appliances.

A venture fund, VoLo Earth’s mission is to drive carbon impact through superior investment performance. Their profits-first approach to climate investing leverages their rigorous technical diligence, extensive deal sourcing, industry expertise, and networks. 

Voyager invests in early-stage climate technology companies creating the foundation of a decarbonized global economy and a livable future for all.

UrbanX is building a bio-diesel production facility capable of producing aviation-quality fuel from bottom of the barrel “yellow” grease. 

London-based venture fund targetting  disruptive and scalable hard science-based decarbonisation technologies that can move the needle on climate change. A technology must either fundamentally fix a problem or remove a barrier to adoption of an existing decarbonisation technology. An emission reduction potential of 0.5 Gt CO2e per year at full scale deployment (latest by 2050) is a prerequisite. Primarily focused on European and Israeli-headquartered entities.

Upgrading multi-family buildings for energy efficiency.

Earthshot Labs provides tech-enabled carbon development and cutting-edge scientific predictive analytics to support every stage of a carbon project

Enduring Planet provides founder-friendly working capital and financial advisory services to climate startups and SMBs.

Steelhead Composites manufactures lightweight, high-strength cylinders and modular systems for hydrogen and other compressed gasses storage and transport.

Offering technology to reduce the energy consumption of cell towers by half.

Little Feet is on a mission to replace the 160 million tons of plastic packaging used each year with paper based recyclable and compostable solutions.


Spun out of the Allen Institute for AI, Seattle-based AI2 Incubator supports top-tier founders creating AI-first startups. Their AI2 fund invests in promising participating companies.