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Vlad Ionescu, Partner at Underline Ventures

Vlad Ionescu

Partner @ Underline Ventures

Vlad Ionescu is a seed investor at Underline Ventures focused on Software and B2B. Vlad Ionescu is Chief Marketing Officer at Tokinomo - Robotic Shelf Advertising. Attended at University of Bucharest.

Total investments:
8
Last investment:
Lead investor:
0%

Last updated:

Industries Vlad Ionescu invests in

SoftwareB2BCyber SecurityMachine LearningArtificial Intelligence

Stages Vlad Ionescu invests in

SeedSeries A

Countries Vlad Ionescu invests in

United StatesSerbiaRomaniaUkraine

Round sizes

Seed $223k–$1.5MSeries A $6.5M–$7M

Contacts

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Round size

Seed
$223k–$1.5M
Series A
$6.5M–$7M

Investment Focus

Industry

  • Software 3 (38%)
  • B2B 2 (25%)
  • Cyber Security 2 (25%)
  • Machine Learning 2 (25%)
  • Artificial Intelligence 2 (25%)
See all 26 industries →

Stage

  • Seed 6 (75%)
  • Series A 2 (25%)

Country

  • United States 3 (38%)
  • Serbia 1 (13%)
  • Romania 1 (13%)
  • Ukraine 1 (13%)

Investments

CompanyDescriptionRoundLinks
Trickest Trickest
Trickest is an information technology firm that empowers bug bounty hunters, penetration testers, and security operations teams to create and automate comprehensive workflows. It is driven by the most sophisticated crowdsourced intelligence available globally. Additionally, Trickest offers services in Attack Surface Mapping, as well asVulnerability Scanning and Management. $1.4M / Seed / Sep 08, 2023
Metadata Metadata
Metadata is an autonomous demand generation platform that automates the most critical but often tedious tasks in marketing to help companies efficiently scale their demand generation efforts. Through machine learning, a proprietary corporate-to-personal identity graph, and automatic optimization to revenue KPIs, Metadata’s platform generates demandfrom target accounts and converts them to customers much faster than legacy methods. Innovative B2B marketers at Zoom, RingCentral, Slack, Thoughtspot and Vonage rely on Metadata to generate predictable velocity of inbound pipeline from target accounts. 3 USPTO patents. $6.5M / Series A / Sep 09, 2020
Respeecher Respeecher
Respeecher uses AI to convert the performance of one speaker into the voice of another, decoupling voices from actors. $1.5M / Seed / Mar 04, 2020
Tokinomo Tokinomo
Tokinomo is the ultimate robot for in-store experiential marketing campaigns. Using a unique combination of technologies, sensors, motion, light, and sound, Tokinomo brings products to life at the shelf by giving them a voice and a personality and allows them to interact with the shoppers in a truly memorable way. $801.6K / Seed / Feb 06, 2020
TypingDNA TypingDNA
TypingDNA provides typing biometrics authentication as a service, enabling companies to recognize people by the way they type. The company's authentication technology compares how people type on their keyboards against previous recordings. Works on both mobiles and PCs. Headquartered in New York, United States, with offices in Romania, EU. $7M / Series A / Jan 04, 2020
RoboSelf RoboSelf
Robotic Personal Assistants for Small and Medium Businesses $222.6K / Seed / Nov 04, 2019
TypingDNA TypingDNA
TypingDNA provides typing biometrics authentication as a service, enabling companies to recognize people by the way they type. The company's authentication technology compares how people type on their keyboards against previous recordings. Works on both mobiles and PCs. Headquartered in New York, United States, with offices in Romania, EU. $1.5M / Seed / Jan 31, 2019
Metadata Metadata
Metadata is an autonomous demand generation platform that automates the most critical but often tedious tasks in marketing to help companies efficiently scale their demand generation efforts. Through machine learning, a proprietary corporate-to-personal identity graph, and automatic optimization to revenue KPIs, Metadata’s platform generates demandfrom target accounts and converts them to customers much faster than legacy methods. Innovative B2B marketers at Zoom, RingCentral, Slack, Thoughtspot and Vonage rely on Metadata to generate predictable velocity of inbound pipeline from target accounts. 3 USPTO patents. Seed / Jan 25, 2019

Co-Investors

Underline Ventures

About Underline Ventures

VC Fund · Bucharest, Romania

Underline Ventures partners at the earliest stages with Eastern European founders building high-growth startups with global ambitions. Underline Ventures invest at the seed stage (pre-seed, seed, late seed) along with other investors, which we can also help you find. Our average cheque is €500k.

Underline Ventures Contacts

NameEmailPhoneSocials
Bogdan Iordache
Bogdan Iordache General Partner
Leonard Leca
Leonard Leca Private Investor
Vlad Ionescu
Vlad Ionescu Partner

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FAQ

What does Vlad Ionescu invest in?

Vlad Ionescu invests primarily in Software, B2B and Cyber Security startups, most often at Seed and Series A 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 is Vlad Ionescu's check size?

Vlad Ionescu typically joins rounds of $223k–$1.5M at Seed and $6.5M–$7M 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 Vlad Ionescu participates in.

How do I contact Vlad Ionescu?

Public channels for Vlad Ionescu 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 Vlad Ionescu last invest?

The most recent investment recorded for Vlad Ionescu closed in Sep 2023. 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 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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