Josh Rapperport

Principal at Innovation Endeavors

📍 United States🔄 Updated September 2026💼 10 investments📅 5 years investing🗓 Last invested Sep 2025
VC🌍 United StatesInvested this year
10
Total investments
4
Early stage
2
Mid stage
0
Late stage
5y
Years active

Portfolio

9 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member
Sep 2025
AI-first company building next generation solar and semiconductor technologies
Investor, Board Observer
Jul 2025
We build AI based synthetic experts in various engineering disciplines, including Chemical and Mechanical Engineering.
Investor
Jun 2025
AI powered peer review for better design documents and fewer RFIs and change orders. LightTable helps developers, architects, and contractors catch errors early for accurate pricing and faster builds
Investor, Board Observer
Feb 2024
ElectronX (EXI), the first U.S.-regulated, direct-access power derivatives market, is the energy exchange created to address volatile short-term price exposure to electricity. With locations in Chicago and New York City, ElectronX is helping to expand the nations power grid by building the financial infrastructure and risk management tools necessary to support increased investment in energy generation, renewable resources, and battery storage technology. ElectronX is proud to be supported by premier venture capital, quantitative trading, and global energy firms including Innovation Endeavors, DCVC, Systemiq Capital, Equinor Ventures, Shell Ventures, XTX Markets, Five Rings, NGP, GTS, Amplo, BoxGroup, JACS Capital, and Lightning Capital. For more information, please visit electronx.com.
Board Member
Jun 2023
Introducing the future of B2B attribution: RevSure, the ONLY enterprise-grade Full Funnel attribution AI solution for complex GTM motions. RevSure is a go-to platform for marketing trailblazers with bold pipeline and ROI goals, offering killer insights, spot-on predictions, and actionable recommendations. The platform empowers modern demand generation teams to 3X their pipeline and confidently prove marketing ROI. Unlike legacy attribution solutions, RevSure combines full-funnel attribution with predictive intelligence and active recommendations, providing high-growth marketing teams the information they need to be more effective at every stage of the lead journey.
Investor, Board Observer
May 2023
Trunk Tools built the brain behind construction. Now we are automating this $13 trillion construction industry. We’re an exceptional team of serial entrepreneurs, brought together by our shared mission: automating construction. Our founding team (SpaceX, Stanford, MIT, Carta, etc.) has successfully built and deployed software in construction for 140k+ users, millions of users beyond the construction space, and worked on +$2 billion of built-environment projects.
Investor, Board Observer
Apr 2023
Optimls Real Estate Decision Intelligence (REDI) platform empowers asset managers, investors, and consultancies to create and optimize cost-effective, reliable decarbonization strategies that meet Net Zero CO2e and financial targets. The AI-powered platform bridges the gap between the asset, portfolio, and sustainability levels, simplifying a managers complex decision-making when decarbonizing and prioritizing investment in assets and portfolios. Moreover, Optiml’s Decision Intelligence develops renovation action plans on the component & system level, considering individual targets, as well as ensuring regulations and certifications are met. With optimization technology, energy simulation, and improvements in data quality, the platform makes redundant the high-cost process of recurring building audits and corresponding manual efforts. In 2024, Optiml won the European PropTech Innovation Challenge by the Urban Land Institute and the ZIA PropTech of the Year award for its industry changing solution. © OPTIML AG
Investor, Board Member
Apr 2023
Parspec is revolutionizing the materials supply chain for the $15 trillion global construction industry by digitizing and organizing the industrys product data. Our proprietary AI technology maintains a current and comprehensive catalogue of millions of products, enabling our customers to identify products that best meet their needs–instantly. Trusted by top designers, builders, distributors, manufacturers, and sales agents, and backed by leading venture investors, Parspec is paving the way for a more innovative, connected, and sustainable future in construction.
Investor, Board Observer
2022
We are Plotlogic, the world’s most innovative mining technology company. We make the mining industry more sustainable and efficient using sensors to scan all the rocks in your mine and tell you whats in them before you mine them, meaning you can efficiently handle and process all your rocks, boosting ESG and safety outcomes while cutting costs and greenhouse emissions.
mid stageMining
Experience · 11 entries
All (11)
Investments (10)
Board (8)
2025
Board Member
Sep 2025
AI-first company building next generation solar and semiconductor technologies
Investor, Board Observer
Jul 2025
We build AI based synthetic experts in various engineering disciplines, including Chemical and Mechanical Engineering.
Investor
Jun 2025
AI powered peer review for better design documents and fewer RFIs and change orders. LightTable helps developers, architects, and contractors catch errors early for accurate pricing and faster builds
2024
Investor, Board Observer
Feb 2024
ElectronX (EXI), the first U.S.-regulated, direct-access power derivatives market, is the energy exchange created to address volatile short-term price exposure to electricity. With locations in Chicago and New York City, ElectronX is helping to expand the nations power grid by building the financial infrastructure and risk management tools necessary to support increased investment in energy generation, renewable resources, and battery storage technology. ElectronX is proud to be supported by premier venture capital, quantitative trading, and global energy firms including Innovation Endeavors, DCVC, Systemiq Capital, Equinor Ventures, Shell Ventures, XTX Markets, Five Rings, NGP, GTS, Amplo, BoxGroup, JACS Capital, and Lightning Capital. For more information, please visit electronx.com.
2023
Board Member
Jun 2023
Introducing the future of B2B attribution: RevSure, the ONLY enterprise-grade Full Funnel attribution AI solution for complex GTM motions. RevSure is a go-to platform for marketing trailblazers with bold pipeline and ROI goals, offering killer insights, spot-on predictions, and actionable recommendations. The platform empowers modern demand generation teams to 3X their pipeline and confidently prove marketing ROI. Unlike legacy attribution solutions, RevSure combines full-funnel attribution with predictive intelligence and active recommendations, providing high-growth marketing teams the information they need to be more effective at every stage of the lead journey.
Show all 11 entries ↓
Investment activity
2021–2025 · 10 investments
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