Oana Olteanu
Principal @ SignalFire
San Francisco Bay Area, United States
Oana Olteanu is a seed investor at SignalFire in San Francisco Bay Area focused on Software and Artificial Intelligence. Oana leads seed rounds in developer tooling, open source software and ML infrastructure. She has a B.Sc. in CS and M.Sc and previously built enterprise software at SAP.
- Total investments:
- 25
- Last investment:
- Lead investor:
- 36%
Last updated:
For AI agents: llms.txt
Industries Oana Olteanu invests in
Stages Oana Olteanu invests in
Countries Oana Olteanu invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $2.5M–$14M
- Series A
- $6M–$26M
Investment Focus
Industry
- Software 10 (40%)
- Artificial Intelligence 8 (32%)
- Information Technology 6 (24%)
- Machine Learning 4 (16%)
- Analytics 3 (12%)
Stage
- Seed 9 (36%)
- Angel 5 (20%)
- Series A 5 (20%)
- Pre-Seed 3 (12%)
- Series B 1 (4%)
Country
- United States 9 (36%)
- United Kingdom 3 (12%)
- Germany 1 (4%)
- The Netherlands 1 (4%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| AWS made simple for startups. Just connect your code repositories, digger does the rest. Digger transparently and seamlessly manages your AWS account through infrastructure-as-code: You don’t need to worry about DevOps — or hire specialists — but you still retain full control. | $3.6M / Seed / Jun 17, 2025 | ||
| Kolena is an ML testing platform that allows ML teams to rigorously test their model behavior. With Kolena, ML teams can identify and track failure modes to help engineering, sales, and customers better understand model performance and identify gaps. Kolena is the creator of a machine learning testing and analytics platform used to ensure thequality of machine learning and related technologies. Clients can use the company's platform to streamline and rectify machine learning and analytics projects by providing a testing infrastructure for machine learning software models and updates. | $15M / Series A / Sep 26, 2023 | ||
| Fixie.ai is a software platform that build software using artificial intelligence to revolutionize the way software is built. | $12M / Seed / Feb 14, 2023 | ||
| Lago synchronizes customer data to business tools. The company was founded in 2021 and is headquartered in New Castle County, Delaware. | $7M / Seed / Jan 01, 2023 | ||
| The world's first self-organizing workspace. | $23.5M / Series A / Nov 09, 2022 | ||
| Budibase provides a free self-hosted version, as well as premium and enterprise plans that include SLAs, unlimited automation logs, and a fully managed and hosted domain. It seeks to distinguish itself by going above and beyond in terms of customization, particularly for technical features. Users can create features such as automatically respondingto an employee's leave request, sending notifications to team members at a specific hour, and so on.The company is based in Belfast, Northern Ireland. | $7M / Seed / Nov 04, 2022 | ||
| The developer experience platform built for growth. | Pre-Seed / Nov 01, 2022 | ||
| Overmind develops software for cloud infrastructure management. The company provides tools that help engineering teams understand infrastructure changes before deployment. The platform analyzes relationships between cloud resources and services. It uses artificial intelligence to identify dependencies and assess the impact of planned changes. Ithelps engineering, DevOps, SRE, and platform teams understand the impact of changes before they go live. | Seed / Sep 09, 2022 | ||
| Overmind develops software for cloud infrastructure management. The company provides tools that help engineering teams understand infrastructure changes before deployment. The platform analyzes relationships between cloud resources and services. It uses artificial intelligence to identify dependencies and assess the impact of planned changes. Ithelps engineering, DevOps, SRE, and platform teams understand the impact of changes before they go live. | Angel / Sep 01, 2022 | ||
| The devtool company for devtool companies. | Pre-Seed / Aug 10, 2022 | ||
| See all 25 investments → | |||
Co-Investors
About SignalFire
SignalFire is a venture capital firm that invests in seed-stage companies and breakout companies. The company focuses on providing data-driven insights and tailored advisory programs across various sectors, including health, fintech, and cybersecurity.
SignalFire Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Chris Scoggins
Partner
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Elaine Zelby
Venture Partner
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Jim Stoneham
Partner
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Josh Constine
Principal investor and Head Of Content
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Alex Garden
Venture Partner
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FAQ
What does Oana Olteanu invest in?
Oana Olteanu invests primarily in Software, Artificial Intelligence and Information Technology startups, most often at Seed and Angel stage. Most of the 25 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Oana Olteanu's check size?
Oana Olteanu typically joins rounds of $2.5M–$14M at Seed and $6M–$26M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Oana Olteanu participates in.
How do I contact Oana Olteanu?
Public channels for Oana Olteanu include LinkedIn, X (Twitter) and the website linked on this profile. 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 Oana Olteanu last invest?
The most recent investment recorded for Oana Olteanu closed in Jun 2025. Shizune tracks 25 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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