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Ksenia Lesko

Founder

Co-founder at Caution

Cayman Islands

FoundedCaution · YC

Find your path to Ksenia

465 people in our graph share verified history with Ksenia — schools, employers, funds. One of them is your warm intro.

Garry TanunlockedKsenia: together at Y Combinator (2026)
×11Ksenia: together at Y Combinator

About

Co-founder of Caution, where she leads business and product for a platform that runs sensitive workloads in secure enclaves with cryptographic proof of the code running in production. She previously handled strategy and operations at Distrust and led customer education and activation at Ada.

Co-founder at CautionYC S26

Intro paths

YC

Ksenia went through Y Combinator (Summer 2026) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Brad Flora, Backing expeditions into the future — the partner who ran Caution's batch and knows the company first-hand. YC profile ↗

→

In turn, Ksenia can intro founders to Caution's investors below.

Caution's investors · 2

Vela PartnersSan Francisco · $100K – $500K checksY CombinatorSan Francisco · $500K checks · since 2026

Co-founders at Caution

ALAnton Livaja
Anton LivajaFounder
LVLance Vick
Lance VickFounder

Experience

  1. CautionCo-Founder & COO/CMOcurrent2025 — presentCayman Islands
  2. DistrustStrategy & Operationscurrent2025 — present
  3. AdaManager, Customer Activation2024 — 2025Toronto, Ontario, Canada
  4. AdaManager, Customer Education2024Toronto, Ontario, Canada
  5. AdaSr. Program Manager, Customer Experience2023 — 2024Toronto, Ontario, Canada
  6. AdaProgram Manager, Automation2022 — 2023Toronto, Ontario, Canada
  7. AdaProfessional Services Consultant, Enterprise2021 — 2022Toronto, Ontario, Canada
  8. EF Education FirstManager, Traveller Support2018 — 2021Toronto, Canada Area
  9. Drake Hotel PropertiesManager, Food and Beverage2017 — 2018128 Sterling Rd, Toronto
  10. Oliver & Bonacini HospitalityManager, Restaurant and Bar2016 — 2017Ossington
  11. King Street Food CompanyServer2015 — 2016Buca Osteria & Bar, 53 Scollard St, Toronto
  12. Oliver & Bonacini RestaurantsFood Expeditor2014 — 2015Canoe Restaurant and Bar
  13. Starwood Hotels & Resorts Worldwide, Inc.Food and Beverage Supervisor (Intern)2015Westin Harbour Castle
  14. Hard Rock InternationalServer2012Gatlinburg, TN

Skills & more

Figma (Software)CSSHTMLCascading Style Sheets (CSS)Zapier1Software as a Service (SaaS)Microsoft Office3Microsoft Excel2Microsoft Word1Microsoft OutlookMicrosoft PowerPointMicrosoft Power Virtual Agents
+12 moreMicrosoft Power AutomateMicrosoft Power AppsGenerative AIPublic SpeakingTeamworkTeam ManagementTeam LeadershipLeadershipProblem SolvingTeam MotivationManagementBusiness Strategy

Languages English · Russian · Spanish

  • OKR Certification: Leadership and Goal Setting — Measure What Matters | OKR Resources
  • Work Smarter, Not Harder: Time Management for Personal & Professional Productivity — University of California, Irvine Division of Continuing Education
  • Certified Practitioner of Human-Centered Design — LUMA Institute
  • Foundations of Project Management — Google
  • Certified Travel Agent — Travel Industry Council of Ontario (Ontario's Travel Regulator)
  • WSET Level 2 Award Wines and Spirits — WSET
  • Smart Serve — Smart Serve
  • Heart Saver (A) CPR — City CPR Centre
  • WHIMIS — Health Canada | Santé Canada

From Ksenia's professional profile.

Frequently asked questions

Who is Ksenia Lesko?
Co-founder of Caution, where she leads business and product for a platform that runs sensitive workloads in secure enclaves with cryptographic proof of the code running in production. She previously handled strategy and operations at Distrust and led customer education and activation at Ada.
Where does Ksenia Lesko work?
Ksenia Lesko is Co-founder of Caution.
What companies did Ksenia Lesko found?
Ksenia Lesko founded Caution.
Where did Ksenia Lesko go to school?
Ksenia Lesko studied at Y Combinator; Saint Petersburg State University of Finance and Economics (Master's degree, Public Relations/Image Management); George Brown Polytechnic (Diploma, Food and Beverage Management).

Founder mafias

Saint Petersburg State University of Finance and Economics mafia4

Also came through, then founded or led a company.

Vladimir PravdivyFinance and CreditFounded Aviv GroupLev GormanPhDFounded KinCapsuleEvgeny BuninPhDFounded ChemTech AI

Same school

Shared employers

Also worked at Caution1

Anton LivajaFounder at Caution

Also worked at Distrust1

Anton LivajaFounder at Caution