Semyon Dukach
InvestorFounderManaging Partner at One Way Ventures · Board director at Enginius Inc.
Massachusetts
Writes $500K – $1.5M checks · typically $750K
FoundedOne Way Ventures
Find your path to Semyon
2,835 people in our graph share verified history with Semyon — schools, employers, funds. One of them is your warm intro.
About
Semyon Dukach, a Soviet refugee who led MIT blackjack team, draws on his immigration story to screen immigrant founders for extreme grit while building an immigrant mafia in 40+ countries.
Contact· published on Semyon's own website
Invests in
AI & Machine LearningDeep TechEnterprise SoftwareFintechHardwareImpact & Social Good
Board director at Enginius Inc.
Intro paths
In turn, Semyon can intro founders to Enginius Inc.'s investors below.
Enginius Inc.'s investors · 1
Founder at One Way Ventures
Intro paths
In turn, Semyon can intro founders to One Way Ventures's investors below.
One Way Ventures's investors · 14
Co-founders at One Way Ventures


Experience
- One Way VenturesFounding Partnercurrent2017 — presentGreater Boston Area
- HorasisMember, Advisory Boardcurrent2024 — present
- TechstarsManaging Director Emerituscurrent2017 — present
- TechstarsManaging Director2014 — 2017Boston
- Cash For RefugeesFounding Board Member2022 — 2025Boston, Massachusetts, United States
- SharpSpring (NASDAQ:SHSP)Chairman of the Board2015 — 2017
- Global Cycle SolutionsDirector2009 — 2017
- TerrafugiaDirector2008 — 2017
- SMTP (NASDAQ:SMTP)Chairman of the Board2002 — 2015
- Angel InvestorAngel Investor2000 — 2014Boston, San Franciso, Kyiv
- Vert, IncCo-Founder and Director1999 — 2003
- AccuRev, Inc.Seed Investor and Interim CEO2001 — 2002Boston, Massachusetts, United States
- Fast Engines, Inc.Founder and CEO1997 — 2000
- AI MIT Blackjack TeamPresident1994 — 1997
Skills & more
+12 more
Business StrategyCompetitive AnalysisMergersMobile ApplicationsMobile DevicesSaaSE-commerceBusiness DevelopmentMergers & AcquisitionsMarketing StrategyOnline AdvertisingEnterprise SoftwareLanguages English · Russian · Ukrainian
From Semyon's professional profile.
Deals · 2
Enginius Inc.Board seat
via One Way Ventures · filed Aug 2021 · $4.7M raise
KebotixBoard seat
via One Way Ventures · filed Aug 2018 · $5.1M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Investor
1NewTrack.comAirfoxBoatboundBoltBookityBRIO SystemsCangradeCareAcademyChupaMobileCoachUpCodeshipCoolChip TechnologiesDashbellDondeestaEnertivFamFormstackGrapevineHello BlockHumanityImmuneBridgeImpiloInflu2InstockMachinery PartnerMeographOffGridBoxOnyx PrivatePetcubePreplyProlific WorksProvisionRallywareRaysecurService RouteSolsticeSpoiler AlertSprouteltbhTen Percent HappierTerrafugiatrefisUGiftViralGainsWanderuWorkAround
Sources: SEC Form D filings · curated public sources.
Colleagues at One Way Ventures
Network1
Investors connected to Semyon in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Semyon Dukach?
- Semyon Dukach, a Soviet refugee who led MIT blackjack team, draws on his immigration story to screen immigrant founders for extreme grit while building an immigrant mafia in 40+ countries.
- Where does Semyon Dukach work?
- Semyon Dukach is Founder of One Way Ventures and Managing Partner at One Way Ventures and Board director at Enginius Inc..
- What does Semyon Dukach invest in?
- Semyon Dukach invests in AI & Machine Learning, Deep Tech, Enterprise Software, Fintech, Hardware, Impact & Social Good.
- What check size does Semyon Dukach write?
- Semyon Dukach typically writes checks of $500K – $1.5M.
- What companies did Semyon Dukach found?
- Semyon Dukach founded One Way Ventures.
- What boards does Semyon Dukach sit on?
- Semyon Dukach holds tracked board seats at Enginius Inc., Kebotix.
- What companies has Semyon Dukach invested in?
- Investments tracked here include 1NewTrack.com, Airfox, Boatbound, Bolt, Bookity, BRIO Systems, Cangrade, CareAcademy, ChupaMobile, CoachUp, Codeship, CoolChip Technologies, and 35 more.
- Where did Semyon Dukach go to school?
- Semyon Dukach studied at Massachusetts Institute of Technology (MS, Computer Science); Columbia U. (BS, Computer Science).
Founder mafias
Techstars mafia2,005
Also came through, then founded or led a company.
+ 1,998 more
Massachusetts Institute of Technology mafia1,221
Also came through, then founded or led a company.
+ 1,214 more
Techstars mafia315
Also came through, then founded or led a company.
+ 308 more
One Way Ventures mafia3
Also came through, then founded or led a company.
Same school
Also attended Massachusetts Institute of Technology2,000
+ 1,994 more
Shared employers
Also worked at Horasis3
Also worked at Techstars823
+ 817 more












































