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Semyon Dukach

Semyon Dukach

Entrepreneur, investor, former blackjack player, and immigrant founder advocate

semyondukach
Boston, Massachusetts, United States
Joined June 2025

Network

30.1K connections
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Startup Founders
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Venture Capital Leaders
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Strategic Advisors
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AI Deep Tech
Techstars Network
🇺🇦
Ukraine Tech
🚀
One Way Ventures

Summary

Semyon Dukach is a prominent advocate for immigrant entrepreneurs, deeply influenced by his personal experience as a refugee from the Soviet Union. He co-founded One Way Ventures, a venture capital fund exclusively backing immigrant founders, believing their unique journey fosters resilience and provides a competitive edge in building successful companies. His work aims to increase social acceptance of immigration by demonstrating the significant economic contributions of immigrant-led startups. semyon+4
Dukach has a diverse entrepreneurial background, having founded multiple technology companies like Fast Engines (sold to Adero in 2000) and Vert. He transitioned into angel investing, making over 100 investments, and later served as Managing Director of Techstars Boston, where he supported numerous startups. His extensive experience spans leading venture funds, founding and exiting startups, and serving on company boards. semyon+4
A defining early chapter in Semyon Dukach's life was his involvement with the renowned MIT Blackjack Team in the 1990s. As a team leader, he successfully applied mathematical strategies to card counting, an experience he often references to illustrate probabilistic thinking and data-driven decision-making in his current venture capital role. His story was featured in books and film adaptations. semyon+4
Beyond his venture capital and entrepreneurial pursuits, Semyon Dukach is actively involved in philanthropic efforts. He co-founded Cash For Refugees in February 2022, a non-profit organization dedicated to providing direct financial aid to Ukrainian war refugees, demonstrating his commitment to humanitarian causes. onewayvc+2

Work

Education

Projects

Notes

EMEugene Malobrodskysaid that if they were assembling a team of experienced exited founders,
SDSemyon Dukach
would make their shortlist.

Feb 20, 2026

EMEugene Malobrodskysaid that if they were recommending top angel investors who are highly active right now,
SDSemyon Dukach
would be on their list.

Nov 19, 2025

MLMisha Leybovichsaid that after working at big tech,
SDSemyon Dukach
became someone they consider a standout angel investor or advisor.

Nov 7, 2025

RGRob Giardinasaid they've seen
SDSemyon Dukach
play a key role in helping portfolio companies grow as an operating or venture partner.

Oct 22, 2025

EMEugene Malobrodskysaid
SDSemyon Dukach
is especially well connected in the venture and angel investing community.

Oct 16, 2025

BABen Andersonsaid
SDSemyon Dukach
is one of the most helpful and active angel investors they've worked with.

Sep 27, 2025

LZLex Zhaosaid
SDSemyon Dukach
has demonstrated exceptional technical or business insight in an entrepreneurial setting.

Aug 13, 2025

VCVito Cheskysaid
SDSemyon Dukach
has developed a reputation as a top-tier limited partner in early-stage venture capital.

Aug 12, 2025