About
Kristjan Korjus is co-founder and Chief Scientist of Pactum, an AI company that automates commercial negotiations for enterprise clients. He was previously Head of AI at Starship Technologies, where he led development of self-driving technology for delivery robots, and he directed a GitHub project that replicated DeepMind's Atari-playing AI. Korjus holds a Ph.D. in Computer Science and a Master's in Mathematics, and co-authored the Estonian book "Bedside Reading About Mathematics."
Founder at Pactum
Intro paths
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In turn, Kristjan can intro founders to Pactum's investors below.
Pactum's investors · 10
3VCVienna · $1.1M – $10M checksAtomicoLondon · since 2025Insight PartnersNew York · $120M – $350M checks · since 2025Karma VenturesTallinn · $1.1M – $5.4M checksMaersk Growth$1M – $50M checksMetaplanetTallinn · $500K – $10M checksNordicNinjaLondonPortfoLion Capital PartnersBudapest · $540K – $32.4M checksProject A VenturesBerlin · $1.1M – $6.6M checksSuperAngelTallinn · $108K – $540K checks
Co-founders at Pactum
KK

Kaspar KorjusExecutive Officer, Director
MR
Martin RandExecutive Officer, Director
Experience
- Pactum AICo-Founder and Chief Scientistcurrent2025 — presentTallinn, Harjumaa, Estonia
- Pactum AICo-Founder and CTO2019 — 2025Tallinn, Estonia
- Starship TechnologiesHead of Data2018 — 2019Tallinn, Estonia
- Starship TechnologiesHead of Computer Vision and Perception2016 — 2018Estonia
- Dream It Get IT LtdMachine Learning Engineer2015 — 2016London Area, United Kingdom
- University of TartuLead Project Coordinator2013 — 2015United Kingdom and Estonia
- University of TartuTeaching Assistant2011 — 2013Tartu, Estonia
- KFPD GmbHFinancial Mathematician2010 — 2011Frankfurt Rhine-Main Metropolitan Area
- Food 4 Thought Project LimitedMathematics Tutor2009 — 2010Manchester Area, United Kingdom
- Tark Investor OÜFinancial Analyst2007 — 2008Tallinn, Estonia
Skills & more
Leadership9Writing2Analysis8Public Speaking9Matlab10Mathematica2C++10Python16VB.NET1LaTeX3Mathematics65Machine Learning70
+12 more
Computer ScienceStatisticsMathematics EducationProject ManagementComputational NeuroscienceApplied MathematicsResearchArtificial Neural NetworksProgrammingFinancial AnalysisNeuroscienceReinforcement LearningLanguages English · Estonian
From Kristjan's professional profile.
Frequently asked questions
- Who is Kristjan Korjus?
- Kristjan Korjus is co-founder and Chief Scientist of Pactum, an AI company that automates commercial negotiations for enterprise clients. He was previously Head of AI at Starship Technologies, where he led development of self-driving technology for delivery robots, and he directed a GitHub project that replicated DeepMind's Atari-playing AI. Korjus holds a Ph.D. in Computer Science and a Master's in Mathematics, and co-authored the Estonian book "Bedside Reading About Mathematics."
- Where does Kristjan Korjus work?
- Kristjan Korjus is Founder of Pactum.
- What companies did Kristjan Korjus found?
- Kristjan Korjus founded Pactum.
- Where did Kristjan Korjus go to school?
- Kristjan Korjus studied at University of Tartu (Doctor of Philosophy (PhD), Computer Science); The University of Manchester (Master of Mathematics (MMATH), Mathematics); University of Bedfordshire (BA (discontinued), Business Studies).
Same school
Also attended University of Tartu41
Kristjan LaanemaaFounding Partner at Karma VenturesRiin VähkFinance Manager at Karma VenturesAnti KodarInvestor at Butterfly VenturesErki MölderManaging Partner at Verge HealthTech FundRain RannuFounding Partner at SuperAngelVeljo OtsasonGeneral Partner at SuperAngel
+ 35 more
Also attended The University of Manchester166
Joel NoyceInvestor at Moonfire VenturesJames BraithwaiteFinancial Controller at NorthzoneFreya Svedberg-KeatingInvestor at MedicxiAndy LeaverOperating Partner at Notion CapitalSimon SegarsExecutive Advisor at Black Opal VenturesHonor de WintonExecutive Assistant at Giant Ventures Global Llp
+ 160 more
Also attended University of Bedfordshire8
Stephen AddaiAssistant Accountant at SDCL Green Energy Solutions EuropeKapil KathiriyaSenior Associate at StaturaHasnat Rabbi Azad AbuHead of Accounting at Vera GroupKalrav ParsanaVice President, India Operations at York IEMajed Al-RasheedInvestment Committee Member at Equivator®Ryan StevensHead of Portfolio at IQ Capital
+ 2 more
Shared employers
Also worked at Pactum AI8
Marek KiisaGeneral Partner at NordicNinjaBen BlumePartner at AtomicoThies SanderPartner at Project APeter LasingerFounder and Partner at 3VCEva ArhPartner at 3VCMathilde LyetPrincipal at Dreamcraft
+ 2 more
Also worked at Starship Technologies9
Shinichi NikkuniManaging Partner at NordicNinjaBradley WelchManaging Partner at Joyance PartnersBenjamin LimDeputy Director at SGInnovateAkihiko OkamotoInvestor at HeadlineJoseph MillerInvestor at Morpheus VenturesDamien PettyInvestor at Morpheus Ventures
+ 3 more
Also worked at University of Tartu10
Rain RannuFounding Partner at SuperAngelIryna KrepchukInvestment Associate at Trind VenturesAndrus OksFounding Partner at Tera VenturesYrjö OjasaarInvestment Partner at Change VenturesTheodor KaljoInvestment Manager, Member of the Investment Committee at Spring CapitalTõnu EskoVenture Partner and Scientific Advisor at Specialist VC
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