Simon Gelfand

Building AI-Powered Growth Engines for Startups | Founder/CTO | Investor & AI Strategy Advisor

📍 Israel, Israel🔄 Updated September 2026💼 11 investments📅 16 years investing🗓 Last invested Jan 2025𝕏 @upgrade_to_unlock
VC🌍 Israel
11
Total investments
5
Early stage
1
Mid stage
1
Late stage
16y
Years active

Portfolio

9 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Jan 2025
Companies build AI agents, but each is trapped in its own silo. Engini unifies them. Our iPaaS-powered platform lets AI agents from ERP, CRM, BI, or any legacy or air-gapped system-talk, share data, and trigger workflows together. For systems without agents, Engini spins up new ones in minutes, trains them on your domain knowledge, and enforces security boundaries The result: end-to-end automation, consistent insights, zero code.
Investor
Aug 2024
LeO is an AI-powered prospecting platform that empowers insurance agents to effortlessly uncover opportunities, reach out at the optimal time, and boost sales. With advanced firmographics, contact details, and insurance intelligence, LeO streamlines prospecting, enabling agents to focus on building relationships and closing deals.
late stageInsurance
Seed Investor
Dec 2019
Efficient Frontier has been building powerful autonomous trading technology in crypto markets since 2017. EF’s algorithms optimize hundreds of millions of dollars and more than 150K transactions in daily trading turnover across numerous digital assets and exchanges 24/7/365. With several decades of combined technology, algorithmic trading and research experience, EF helps partners build healthier, liquid markets and deliver higher value for traders and investors.
Seed Investor
Sep 2019
Zengo is the next-gen wallet to secure your crypto: No seed phrase vulnerability, powered by MPC. 0 Zengo wallets have been hacked or taken over since the company was founded in 2018. With over 1 million customers and growing, Zengo has been featured in Forbes, Vice, Wired, TechCrunch, CoinDesk, Black Hat conferences, and leading #web3 platforms for our pioneering wallet and security architecture. Visit our website for more information: www.zengo.com
Investor
Apr 2015
Kairos is the most accessible identity verification company with over 10 years delivering unbiased, developer-centric and fairly priced algorithms. Trusted with over 1 Billion Transactions Worldwide. Through computer vision and deep learning, Kairos can recognize faces in videos, photos, and the real world. Founded in 2012 and headquartered in Miami with offices in Singapore, Kairos is a venture-backed organization with customers all over the world. Our investor base includes 500 startups, Backstage Capital, Kapor Capital and New World Angels. Kairos has served a range of clients in FinTech, Education, Retail, Facilities Management, and others. Our emphasis on flexible design and our global presence have made us an ideal partner for companies all over the world - from Buenos Aires to Bangkok. Recognized in 2018 as a Gartner Cool Vendor, companies trust Kairos for their identity verification and authentication solutions–helping them combat consumer fraud, meet regulatory compliance, and deliver profitable customer experiences.
Angel Investor
Oct 2012
Volantio is the global leader of Post-Booking Revenue Management solutions for capacity constrained industries. Our AI guided platform drives up to 2% incremental revenue in the post-booking period, transforming customer flexibility into improved profitability and amazing guest experiences. Brands like Disney Theatrical Group, Qantas, Air Canada Aeromexico, and Alaska Airlines trust our solutions to unlock more revenue and reduce costs while delivering exceptional guest experiences, in the post-booking period. We are backed by world-leading strategic investors, including JetBlue Ventures, Alaska Airlines, International Airlines Group (IAG), Amadeus Ventures, and Qantas Ventures. Volantio is the official Post-Booking Revenue Management platform of Amadeus, Navitaire, and PROS.
Angel investor
Mar 2011
Lucid Software is the leader in visual collaboration and work acceleration, helping teams see and build the future by turning ideas into reality. Its products include the Lucid Visual Collaboration Suite (Lucidchart and Lucidspark) and airfocus. The Lucid Visual Collaboration Suite, combined with powerful accelerators for business agility, cloud, and process transformation, empowers organizations to streamline work, foster alignment, and drive business transformation at scale. airfocus, an AI-powered product management and roadmapping platform, extends these capabilities by helping teams prioritize work, define product strategy, and align execution with business goals. The most used work acceleration platform by the Fortune 500, Lucid’s solutions are trusted by more than 100 million users across enterprises worldwide, including Google, GE, and NBC Universal. Lucid partners with leaders such as Google, Atlassian, and Microsoft, and has received numerous awards for its products, growth, and workplace culture. The company holds true to its core values, including teamwork over ego, innovation in everything we do, individual empowerment, initiative, ownership, and passion and excellence in every area. Learn more at lucid.co.
Angel investor
Jan 2011
TapInfluence is the industry’s leading SaaS platform that empowers consumers to make better purchasing decisions. Through Influencer Marketing Automation, we help brands put authenticity back into their messaging and communications by connecting them with trusted voices in their industry. Through the application of science and data, our proprietary marketplace provides an efficient way for brands and influencers to scale the creation, management and measurement of online influencer marketing programs and deliver consumers the type of meaningful and relevant content they desire. Founded in 2009 and located in Mountain View, CA TapInfluence is venture-funded and privately held.
Angel investor
Oct 2010
WiseStamp is an award-winning, enterprise-grade email signature management platform designed to scale with the needs of market-leading organizations. Trusted by over 1.5 million customers worldwide, WiseStamp enables businesses to centrally create, manage, and deploy professional, on-brand email signatures effortlessly. WiseStamp turns every email into a powerful brand asset, enabling enterprises to maintain brand consistency, enhance engagement, and drive business impact at scale. WiseStamp also works seamlessly with all email platforms - no coding needed! WiseStamp is a Certified Google & Microsoft Partner, and is the most secure email signature management platform on the market, meeting the compliance requirements of SOC2, HIPAA, ISO-27001, ISO-27018, GDPR, and more. WiseStamp in numbers: » More than 1,500,000 active customers » More than 9,700,000,000 (9.7B) emails are sent with WiseStamp each year. » More than 40 Apps. » Customers in over 194 countries. Website: ☛ www.wisestamp.com
Experience · 17 entries
All (17)
Investments (11)
Founder (6)
2025
Investor
Jan 2025
Companies build AI agents, but each is trapped in its own silo. Engini unifies them. Our iPaaS-powered platform lets AI agents from ERP, CRM, BI, or any legacy or air-gapped system-talk, share data, and trigger workflows together. For systems without agents, Engini spins up new ones in minutes, trains them on your domain knowledge, and enforces security boundaries The result: end-to-end automation, consistent insights, zero code.
2024
Investor
Aug 2024
LeO is an AI-powered prospecting platform that empowers insurance agents to effortlessly uncover opportunities, reach out at the optimal time, and boost sales. With advanced firmographics, contact details, and insurance intelligence, LeO streamlines prospecting, enabling agents to focus on building relationships and closing deals.
late stageInsurance
2022
Chief Technology Officer & Co-Founder
Jan 2022
2019
Seed Investor
Dec 2019
Efficient Frontier has been building powerful autonomous trading technology in crypto markets since 2017. EF’s algorithms optimize hundreds of millions of dollars and more than 150K transactions in daily trading turnover across numerous digital assets and exchanges 24/7/365. With several decades of combined technology, algorithmic trading and research experience, EF helps partners build healthier, liquid markets and deliver higher value for traders and investors.
Seed Investor
Sep 2019
Zengo is the next-gen wallet to secure your crypto: No seed phrase vulnerability, powered by MPC. 0 Zengo wallets have been hacked or taken over since the company was founded in 2018. With over 1 million customers and growing, Zengo has been featured in Forbes, Vice, Wired, TechCrunch, CoinDesk, Black Hat conferences, and leading #web3 platforms for our pioneering wallet and security architecture. Visit our website for more information: www.zengo.com
Show all 17 entries ↓
Investment activity
2010–2025 · 11 investments
20101201132012220151201922024120251
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