# Jonathan Heiliger > Jonathan Heiliger is a Series A investor at Exploratorium backing Software. See 31 investments, check sizes, portfolio. Updated Aug 2026. - Type: Angel Investor - Fund: [Exploratorium](https://shizune.co/investors/profile/exploratorium) - Location: Palo Alto, United States - Total investments: 31 - Last investment: Feb 2026 - Lead investor: 29% - Last updated: Aug 2026 - LinkedIn: http://www.linkedin.com/in/jheiliger - X (Twitter): http://twitter.com/heiligerj - Website: http://www.vertexventures.com - Facebook: http://www.facebook.com/jh Jonathan Heiliger is a Series A investor at Exploratorium in Palo Alto focused on Software and Artificial Intelligence. Jonathan Heiliger is the General Partner at Vertex Ventures. ## Investment focus ### Industry | Industry | Investments | Share | | --- | --- | --- | | Software | 9 | 29% | | Artificial Intelligence | 6 | 19% | | Machine Learning | 5 | 16% | | SaaS | 4 | 13% | | Internet | 4 | 13% | 58 industries tracked in total. ### Stage | Stage | Investments | Share | | --- | --- | --- | | Series A | 9 | 29% | | Seed | 8 | 26% | | Series B | 3 | 10% | | Series C | 3 | 10% | | Angel | 2 | 6% | 6 stages tracked in total. ### Country | Country | Investments | Share | | --- | --- | --- | | United States | 16 | 52% | | United Kingdom | 2 | 6% | | Germany | 1 | 3% | ## Investments | Company | Description | Amount | Stage | Date | Website | | --- | --- | --- | --- | --- | --- | | OLIX | OLIX designs and manufactures optical processors that use light-based circuits to accelerate artificial intelligence workloads. The company develops Optical Tensor Processing Units that execute matrix and tensor operations for training and running inference on large-scale machine learning models. Its hardware aims to increase performance and reducepower consumption relative to conventional electronic accelerators by processing data in the optical domain. Flux Computing focuses on infrastructure for generative AI and advanced neural networks, targeting data centers and organizations that require intensive model computation. The product stack centers on custom optical chips integrated with supporting electronics, control software, and tools that link into existing AI frameworks. Sales and partnerships primarily address customers building large AI clusters, research environments, and emerging applications that benefit from high-throughput, low-energy computation. | $220M | Series A | Feb 11, 2026 | | | Metaview | Metaview is re-engineering hiring with AI at the core. Founded in 2018 by Siadhal Magos and Shahriar Tajbakhsh, former product and engineering leaders at Uber and Palantir, Metaview helps recruiting teams harness AI across every stage of the hiring process, from intake to final offer.They started Metaview to help leaders and operators excel atthe most high-leverage activity in any organization: building great teams. By turning interviews into rich, actionable data, Metaview transforms interviewers into a company’s most valuable asset in the war for talent.Thousands of companies use Metaview to streamline workflows, uncover deeper insights, and make smarter, faster decisions. Backed by top-tier investors and loved by high-performing teams, Metaview is redefining how modern hiring happens. | $35M | Series B | Jun 25, 2025 | | | Cakewalk | Cakewalk is the easiest Identity & Access Management. Cakewalk exists to enable fast-moving companies to regain control over the software they use. Made for IT & Security teams. And the actual users of software: your employees. | $7.5M | Seed | Apr 23, 2025 | | | CloseFactor | CloseFactor uses machine learning to reimagine the business to business sales process, bringing the benefits of greater automation and precision targeting to sales teams. | $15M | Series A | Dec 17, 2022 | | | Metaview | Metaview is re-engineering hiring with AI at the core. Founded in 2018 by Siadhal Magos and Shahriar Tajbakhsh, former product and engineering leaders at Uber and Palantir, Metaview helps recruiting teams harness AI across every stage of the hiring process, from intake to final offer.They started Metaview to help leaders and operators excel atthe most high-leverage activity in any organization: building great teams. By turning interviews into rich, actionable data, Metaview transforms interviewers into a company’s most valuable asset in the war for talent.Thousands of companies use Metaview to streamline workflows, uncover deeper insights, and make smarter, faster decisions. Backed by top-tier investors and loved by high-performing teams, Metaview is redefining how modern hiring happens. | $6M | Seed | Dec 01, 2021 | | | Elotl | Elotl develops serverless infrastructure platform for microservices. | $5M | Seed | Nov 02, 2021 | | | Vintra | Vintra makes AI-powered video analytic solutions that transform any real-world video into actionable and tailored intelligence, enabling our customers to build the safest and most productive organizations in the world. | $9.1M | Series A | Sep 20, 2021 | | | VGS | VGS is a data security platform that enables allows users to collect, protect, and exchange sensitive data. Its SaaS solution provides users all the benefits of interacting with sensitive and regulated data without the liability of securing it.The company was founded in 2015 by two engineers who have a long history of payments andsecurity-focused engineering. VGS specializes in developing products that can literally disrupt fin-tech and data-security domains. | $60M | Series C | Dec 18, 2020 | | | LaunchDarkly | LaunchDarkly isn’t just a leader in feature management — it’s the first scalable feature management platform. Feature management allows development teams to innovate faster by fundamentally transforming how software is delivered to customers. With the ability to gradually release new software features to any segment of users on any platform, DevOpsteams can standardize safe releases at scale, accelerate their journey to the cloud and collaborate more effectively with business teams. Today, LaunchDarkly deploys peaks of 20 trillion feature flags each day, and that number continues to grow. Founded in 2014 in Oakland, California by Edith Harbaugh and John Kodumal, LaunchDarkly has been named on the Forbes Cloud 100 list, InfoWorld’s 2021 Technology of the Year list, and the Enterprise Tech 30 list. | $44M | Series C | Mar 13, 2019 | | | LaunchDarkly | LaunchDarkly isn’t just a leader in feature management — it’s the first scalable feature management platform. Feature management allows development teams to innovate faster by fundamentally transforming how software is delivered to customers. With the ability to gradually release new software features to any segment of users on any platform, DevOpsteams can standardize safe releases at scale, accelerate their journey to the cloud and collaborate more effectively with business teams. Today, LaunchDarkly deploys peaks of 20 trillion feature flags each day, and that number continues to grow. Founded in 2014 in Oakland, California by Edith Harbaugh and John Kodumal, LaunchDarkly has been named on the Forbes Cloud 100 list, InfoWorld’s 2021 Technology of the Year list, and the Enterprise Tech 30 list. | $44M | Series C | Mar 13, 2019 | | 10 of 31 investments shown. ## Co-investors - [Vertex Ventures](https://shizune.co/investors/profile/vertex-ventures) — VC Fund, 10 deals together - [Uncork Capital](https://shizune.co/investors/profile/softtech-vc) — VC Fund, 7 deals together - [Vertex Ventures US](https://shizune.co/investors/profile/vertex-ventures-us) — VC Fund, 6 deals together - [DCVC](https://shizune.co/investors/profile/data-collective) — VC Fund, 3 deals together - [Seedcamp](https://shizune.co/investors/profile/seedcamp) — VC Fund, 3 deals together - [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund, 2 deals together ## About Exploratorium VC Fund 1 contacts available at Exploratorium. | Name | Title | Profile | | --- | --- | --- | | Jonathan Heiliger | Trustee | https://shizune.co/investors/profile/jonathan-heiliger | ## Similar investors ### Similar stage - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund - [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund - [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund ## FAQ ### What does Jonathan Heiliger invest in? Jonathan Heiliger invests primarily in Software, Artificial Intelligence and Machine Learning startups, most often at Series A and Seed stage. Most of the 31 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio. ### When did Jonathan Heiliger last invest? The most recent investment recorded for Jonathan Heiliger closed in Feb 2026. Shizune tracks 31 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. # About Shizune Shizune.co is an investor database. 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