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Kaya VC

kaya.vc · Prague, Czech Republic

“Back ambitious, gritty founders from CEE from pre-seed through meaningful scale with patient capital and a supportive network.”

$1M – $3M
Check Size
$500M
AUM
01Investment Thesis

Back ambitious, gritty founders from CEE from pre-seed through meaningful scale with patient capital and a supportive network.

02Investment Team
KZ
Karel Zheng
General Partner
MR
Martin Rajcan
General Partner
TP
Tomas Pacinda
General Partner
TO
Tomas Obrtac
General Partner
PM
Pavel Mucha
Partner
VR
Vasek Ryslink
Investor
VT
Vojtech Tomsu
Associate
NR
Natalia Rochminska
Associate
03F4 Research Brief

Kaya VC Research

Investment Thesis

KAYA is an early-stage venture firm rooted in Central and Eastern Europe (CEE). Its stated focus is to back "ambitious and gritty founders from CEE, pre-seed through to meaningful scale." The firm describes its portfolio as teams "building at the frontier of digital, physical, and consumer economies." The pitch to founders is patient capital, entrepreneurial empathy, and a supportive network, with a small team that says it fights to help when pivotal moments arrive.

The ethos page centers on three ideas: rare people found early (exceptionally intelligent, relentless, high-integrity individuals, found in CEE before the evidence exists), staying together through adversity (a small team, not a platform), and the long game (most of the partners' own assets are invested in their funds, and results are measured in decades, not quarters).

Stage Focus

Pre-seed and seed are the core, with follow-on support into Series A and beyond for winners. The homepage lists the round as "Pre+Seed". Press coverage of Fund V describes investing from pre-seed to Series A across the CEE region.

Check Size

The site lists a ticket of $1-3M. Press coverage of Fund V describes initial cheques starting around EUR 1M. Follow-on reserves are used for portfolio winners.

Lead Tendency

The firm's materials do not state whether it leads. With initial tickets of $1-3M at pre-seed and seed, it likely leads or co-leads many first rounds, but this is not confirmed on the site, so lead tendency is recorded as unknown.

Recent Activity

KAYA announced a first close of roughly EUR 70M (about $81M) for its fifth fund, Fund V, in June 2025 (Vestbee, SeeNews). The website now lists a current fund of $85M. Founded in 2011 by the firm's own count, it reports $500M in total AUM and 60+ companies. Fund V is actively deploying. Recent portfolio names on the site include AI and agentic infrastructure companies such as E2B, Pen.dev, Viktor, TOPK, Superlinked, and Stormy, plus a cluster of bio and deep-tech companies such as Sensible (mRNA design), Frontier (biocomputing hardware), Allonic (3D tissue braiding), and Yoneda Labs (foundation models for chemists).

Portfolio Highlights

KAYA calls itself one of the earliest and most successful CEE VCs, with two home-grown unicorns, Rohlik (online grocery) and Docplanner (patient management SaaS). Other flagship companies: Better Stack (AI SRE and observability), Booksy (beauty SaaS and marketplace), Jutro Medical (AI primary care roll-up), Upheal (therapist platform), and Superlinked (multimodal data platform). Exits listed on the portfolio page include Dame Jidlo (food delivery), Eversports, Finiata, Slevomat, Twisto, Nestpick, Nautal, Letsbuild, ROI Hunter, CareSend, Ahoy Connect, and Masters. The page also marks several write-offs (RIP), which is unusually candid.

Team

  • Karel Zheng, General Partner
  • Martin Rajcan, General Partner
  • Tomas Pacinda, General Partner
  • Tomas Obrtac, General Partner
  • Pavel Mucha, Partner
  • Vasek Ryslink, Investor
  • Vojtech Tomsu, Associate
  • Natalia Rochminska, Associate
  • Julie Hucikova and Klaudia Kristofova, Finance and Operations

Offices are in Prague, Warsaw, San Francisco, and London.

Decision Process

Four General Partners plus a Partner form a partnership. The site does not describe a formal process or timeline, so it is recorded as partnership with no timeline. There is a public pitch-deck intake form (Typeform) on the site, so cold inbound is accepted.

Founder Preferences

Founders from CEE (including diaspora and founders who relocate to the US or UK) who are intelligent, relentless, and high integrity. Testimonials emphasize that KAYA stays supportive and lets founders build. Teams are often technical, building AI, infrastructure, health, and deep-tech products, but the firm also backed consumer marketplaces and SaaS in earlier funds.

Geographic Focus

CEE is the center of gravity (Czechia, Poland, Slovakia, the broader region), with US and UK presence through San Francisco and London offices to support companies that expand there. Several portfolio companies are headquartered in the US, UK, Germany, and Spain.

Fund Structure Notes

Prior ET3 and ET4 sub-funds were supported by InnovFin Equity from the European Investment Fund, with backing from the European Commission under Horizon 2020 and EFSI.

04Selected Portfolio
Biotech & Life Sciences
Bnext·Yoneda Labs
Climate & Sustainability
Woltair
Crypto & Web3
Sensible·Frontier
Developer Tools & Infrastructure
BetterStack
E-commerce & Marketplaces
Rohlik.cz·Booksy·Dáme Jídlo·Eversports·Flatio·Flexdog·Footshop·Humanery·Intiaro·Kolay Randevu·Nautal·Nestpick·Peak 21·Slevomat·Star Of Service
Enterprise Software
VIKTOR·E2B·Pen.dev·Accomango·Ahoy Connect·Amano·Blurry·Boski·Corebook·Digitoo·Graet·Letsbuild·Masters·Meet Frank·Mesmer·PrimVeterinary·Stormy·Superlinked·Supernova·TopK·Traceoid·humans&
Fintech & Payments
Finiata·Twisto
Gaming
Artificial Agency
Healthcare & Digital Health
Docplanner·Jutro Medical·Awell·Cardiomatics·CareSend·Das Lab·Hashiona·Healee·MediSearch·Nuvoair·TrueClaim·Upheal
Marketing & Adtech
ROI Hunter
Media & Entertainment
Gen Peach AI
Robotics & Automation
Allonic·Minerva Humanoids
Security & Cybersecurity
Cyberly·Riptides
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

Announced a first close of about EUR 70M for Fund V to invest in CEE startups from pre-seed to Series A.
NEW FUND·vestbee.com+1
JUN 2025
06Frequent co-investors
CV
Credo Ventures
Both backed 4 of the same companies
BetterStack, Docplanner, Upheal, Supernova
CV
Calm/Storm Ventures
Both backed 2 of the same companies
Healee, Upheal
I
Inovo
Both backed 2 of the same companies
Booksy, Intiaro
MR
Manta Ray
Both backed 2 of the same companies
Finiata, Booksy
MO
Market One Capital
Both backed 2 of the same companies
Nautal, Eversports
Find the investors for your round→
07Similar Firms
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I
Inovo
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AV
Archangel Ventures
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PH
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Quick Reference
Check Size
$1M – $3M
Stages
Pre-Seed · Seed · Series A
AUM
$500M
Decision
Partnership
Location
Prague, Czech Republic
Sector Focus
E-Commerce & MarketplacesBiotech & Life SciencesEnterprise SoftwareDeveloper Tools & InfrastructureHealthcare & Digital Health
Models
B2B SaaSMarketplacesConsumer
Technology
AI/MLDeveloper ToolsBiotechRobotics
See all E-commerce & Marketplaces investors →See all Biotech & Life Sciences investors →See all Enterprise Software investors →
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Focus Areas
E-Commerce & MarketplacesBiotech & Life SciencesEnterprise SoftwareDeveloper Tools & InfrastructureHealthcare & Digital Health

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F4 Intelligence Report · Last Researched October 10, 2026F4 Research Engine