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Denis Efremov

Denis Efremov

Series B+ investor focused on B2B SaaS & fintech

defremov21
Limassol, Cyprus
Joined February 2025
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Summary

Experienced investor focused on B2B SaaS and fintech. Across roles at Da Vinci Capital, Fort Ross Ventures and (currently) R136 Ventures, Denis has focused on mid‑ to late‑stage deals and portfolio oversight in fintech, insurtech and enterprise software. r136+2
Active mentor and ecosystem contributor. Denis mentors founders through programs such as Alchemist Accelerator and Google’s Growth Lab, and has worked with accelerators (Seedstars) — a pattern that complements his investing work by focusing on founder support, scaling and GTM execution. cyprusfintechsummit+1
Strong academic foundation in economics. He holds an MS and a PhD in International Economics from Lomonosov Moscow State University, which underpins his analytical approach to financial institutions, fund economics and investment strategy. mergr+1
Track record in dealmaking and fund activity. Public bios and event profiles highlight his role in executing 15+ deals (~$120M) and contributing to the creation of funds totaling roughly $250M — showing experience across origination, diligence and portfolio work. cyprusfintechsummit+1

Work

Education

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Notes

TPThomas Powersaid
DEDenis Efremov
is actively leading hiring initiatives at their VC firm or portfolio companies right now.

Jan 30, 2026

TPThomas Powersaid they've seen
DEDenis Efremov
consistently post valuable content and updates about startups and accelerator life on LinkedIn.

Jan 30, 2026

TPThomas Powersaid they've seen
DEDenis Efremov
identify and close high-stakes business deals with real impact.

Jan 29, 2026

TPThomas Powersaid
DEDenis Efremov
has made a big positive impact on algo trading fintech companies at the early stage.

Jan 29, 2026

TPThomas Powersaid they would trust
DEDenis Efremov
to lead a major investment in a promising growth-stage hardware company.

Jan 29, 2026

TPThomas Powersaid
DEDenis Efremov
is one of the most respected advisors they've seen for GP fund management and private capital strategy.

Jan 23, 2026

TPThomas Powersaid
DEDenis Efremov
stands out for using AI in innovative ways in investment banking or private equity.

Jan 21, 2026

TPThomas Powersaid
DEDenis Efremov
has made a big positive impact on a startup community or accelerator program they've been involved with.

Dec 8, 2025

TPThomas Powersaid that if they were raising a Series A or B round,
DEDenis Efremov
would be a top investor they'd want involved.

Dec 8, 2025

MSMikhail Sidakovsaid they've seen
DEDenis Efremov
make a big positive difference for founders raising at Series A or Series B.

Dec 6, 2025

TPThomas Powersaid
DEDenis Efremov
has played a key role in helping startups grow through their work in venture capital.

Dec 2, 2025

TPThomas Powersaid
DEDenis Efremov
is one of the sharpest scouts or analysts they've worked with in venture capital.

Nov 30, 2025

TPThomas Powersaid
DEDenis Efremov
is one of the sharpest general partners or investment decision-makers they've worked with in European early-stage VC.

Nov 28, 2025

MSMikhail Sidakovsaid
DEDenis Efremov
is one of the most successful investors they've interacted with.

Nov 25, 2025