Umur Cubukcu
Angel Investor
San Francisco, United States
Umur Cubukcu is a seed investor in San Francisco focused on Software and Artificial Intelligence. Umur Cubukcu is the co-founder of Ubicloud. He previously worked at Y Combinator as a Visiting Group Partner. Umur Cubukcu attended Stanford University.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Umur Cubukcu invests in
Stages Umur Cubukcu invests in
Countries Umur Cubukcu invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $345k–$13M
- Pre-Seed
- $400k–$2M
Investment Focus
Industry
- Software 4 (50%)
- Artificial Intelligence 4 (50%)
- SaaS 3 (38%)
- Developer Tools 2 (25%)
- Mobile 1 (13%)
Stage
- Seed 5 (63%)
- Pre-Seed 2 (25%)
- Convertible Note 1 (13%)
Country
- United States 4 (50%)
- Turkey 2 (25%)
- United Kingdom 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Mastra is an AI software that helps users to typescript complex operations and complete set of work using AI. | $13M / Seed / Mar 12, 2025 | ||
| Pipeshift is a modular orchestration platform for building with open-source AI components—embeddings, vector databases, LLMs, vision models, and audio models—across any cloud or on-premise. Enterprises get to deploy their AI workloads in production faster and more reliably. | $2M / Pre-Seed / Jan 23, 2025 | ||
| DryMerge is a chatbot that facilitates the development of custom processes and API integrations for teams and SaaS customers. The Drymerge chatbot communicates with clients or colleagues directly, takes note of their needs, and promptly builds workflows and API connections on top of your product to satisfy them. | $2.2M / Seed / Sep 13, 2024 | ||
| Kavaken offers artificial intelligence-powered solutions to renewable energy asset owners. | $403.2K / Seed / Jun 23, 2023 | ||
| Houston Bionics manufactures home-type medical devices. | $400K / Pre-Seed / Mar 18, 2021 | ||
| Sporzy a booking, payment & progress tracking platform and a SaaS-backed marketplace for sports, bringing together trainers and studios who wish to benefit from digitalization with sports enthusiasts who seek habit-forming sports experiences, through online live, outdoor and in-person activities. | $141K / Convertible Note / Dec 07, 2020 | ||
| Mall IQ is a Location Intelligence Platform empowering retail, loyalty, e-commerce, payment & banking apps to understand their customers’ needs, engage them with relevant messages at the right time & location and measure the effectiveness of their online to offline campaigns. This technology enables measurement of purchase intent of themobile app users in the physical world in shopping malls and high streets via store visit behaviors and durations with proprietary indoor location technology w/o hardware. Mall IQ provides businesses actionable insights through powerful analytics and a location-based engagement platform to connect with their customers in real-time. | $1.1M / Seed / Aug 12, 2019 | ||
| TeamSQL is a Multi-Platform SQL client built for collaboration, usability and performance. It supports popular database engines used by the majority and runs on macOS, Windows and Linux. | $345K / Seed / Apr 02, 2017 |
Co-Investors
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FAQ
What does Umur Cubukcu invest in?
Umur Cubukcu invests primarily in Software, Artificial Intelligence and SaaS startups, most often at Seed and Pre-Seed stage. Most of the 8 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Umur Cubukcu invest in?
Umur Cubukcu typically joins rounds of $345k–$13M at Seed and $400k–$2M at Pre-Seed. These are whole funding-round sizes, not Umur Cubukcu's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Umur Cubukcu took part in.
How do I contact Umur Cubukcu?
Public channels for Umur Cubukcu include LinkedIn, X (Twitter) and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Umur Cubukcu last invest?
The most recent investment recorded for Umur Cubukcu closed in Mar 2025. Shizune tracks 8 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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