Ventures
Two companies I run, the products I build and the work I do with others. Older ventures are folded away at the end.
Companies
I founded these and run them today.
Ripe Leads
B2B lead generation agency, run by my company UAB Kofi tech. We find a client’s future buyers, run cold email and LinkedIn outreach in their voice and send every interested reply to one inbox.
Founder · Vilnius · since 2022
Retos galimybės
AI company in Lithuania: training for people and teams, process automation and custom AI builds, with public prices.
Founder · Vilnius · since 2026
Products
Built with the AI tools I teach.
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Rarewinder
Platform for pre-owned watches I inspect myself, with direct sales and auctions.
Built and run by me, 2026
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Rare Enough
Jewellery brand and online shop.
Founder, launching 2026
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Social Intel
Software that reads social media trends and turns them into content plans for creators and brands.
In development
Smaller builds: Weapon permit exam app (exam prep for the Lithuanian weapon permit, in development); valerijalis.lt (opens in a new tab) (a training school, client work); lesvinciunas.de (opens in a new tab) (an electrician in Wuppertal, client work).
Other work
With other organisations, and smaller projects.
CHANGES
My podcast and mastermind community. Conversations with people who moved countries, lost something and rebuilt.
Host and founder · Bali and Vilnius · since 2025
Stripe community, Baltics
I am building the Stripe community in Vilnius and the Baltics, for founders, developers and finance teams who build with Stripe.
Stripe Community Builder · Vilnius · since 2026
Stripe Community Builder Foundations certificate (opens in a new tab)
Zentra Capital
Capital markets firm in Dubai. I trade currencies on the firm’s account and advise on business development, as a freelancer.
FX trader and advisor · Dubai · since 2025
Indonesia to Europe trade
I connect Indonesian suppliers of wood, stone and natural materials with buyers in Europe: sourcing, quality checks and logistics.
Trade intermediary · Indonesia, Europe
Mitra Investment Ventures
A small advisory company in Bali: introductions to local partners for people entering the Indonesian market.
Founder and owner · Bali, Indonesia · since 2024
Earlier
Co-founded or co-owned, then closed or handed over.
Show 5 earlier ventures, 2020-2025
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2023–2025
MonFi
CEO and co-founder, Berlin
Fintech project. I led it as CEO and anti-money-laundering officer. We stopped before launch when the licensing path needed more capital than the plan carried.
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2024
Bithority
CEO and co-founder, Berlin
Protocol concept for renting Bitcoin mining capacity, started at a Soonami venture hackathon. We closed it before market.
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2024
Vepay
CEO and co-founder, Düsseldorf
Product authentication and payments concept for manufacturers and resellers, from the same hackathon. We closed it before market.
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2020–2021
HST GmbH
Co-owner and co-CEO, Krefeld
Construction company. I co-owned it, rebuilt its finances and pricing, then handed operations to my partner.
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2025
Iraq tourism initiative
Initiator, Kerbala, Iraq
Cultural and religious travel to Iraq. In 2025 I went to Kerbala and met local operators and religious institutions to explore partnerships.
Nothing on this page offers investment or financial services. I do not manage money for the public.
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