# Orest Tarasiuk [@orestta](https://hacklab.so/orestta) Orest Tarasiuk is Co\-Founder & CTO at t1, based in Warsaw \(PL\) \| Berlin, NYC, \.\.\.. No AI coding activity was synced in the last 30 days. Computer scientist and founder working on Ethereum rollups and zero\-knowledge proofs\. Co\-founded t1, zkWarsaw, Cara Care and Knit\. Location: Warsaw \(PL\) \| Berlin, NYC, \.\.\. Joined: 2026-09-03 0 followers · 0 following ## Links - [GitHub](https://github.com/OrestTa) - [LinkedIn](https://linkedin.com/in/orestta) ## AI usage (All time) No activity in this period. ## Accomplishments ### [t1](https://tarasiuk.me/about-orest) Rollup that enables instant settlement\. Listed as Co\-Founder and CTO on the GitHub bio; the personal site states the member is building it\. ### [zkWarsaw](https://tarasiuk.me/about-orest) Co\-founded zkWarsaw, as stated on the personal site\. The same site also lists a zkWarsaw Meetup \#19 talk\. ### [MultipleCalendarsSelector](https://github.com/OrestTa/MultipleCalendarsSelector) Google Calendar extension for Chrome that lets users define presets of multiple calendars\. Public repository owned by the member\. ### [Devconnect Buenos Aires 2025 talk](https://tarasiuk.me/about-orest) Talk on cross\-chain apps enabled by t1 real\-time proving, listed on the personal site as one of the member's talks\. ### [TEE\.Salon Buenos Aires 2025 talk](https://tarasiuk.me/about-orest) Talk on securing TEE rollups with AVS and ZKP, listed on the personal site as one of the member's talks\. ### [ETHWarsaw 2025 talk](https://tarasiuk.me/about-orest) Talk on real\-time proving the L1 and existing rollups, listed on the personal site as one of the member's talks\. ### [ETHWarsaw 2024 talk](https://tarasiuk.me/about-orest) Talk on unifying Ethereum via real\-time proofs, listed on the personal site as one of the member's talks\. ### [zkWarsaw Meetup \#19 talk](https://tarasiuk.me/about-orest) Talk on the rollup fragmentation problem and unifying Ethereum, listed on the personal site as one of the member's talks\. ## Experience ### Co\-Founder & CTO — t1 2024\-04 – Present New York, United States Building financial infrastructure; the source names a16z CSX backing\. Earlier public sources describe t1 as an instant\-settlement rollup\. ### Co\-Founder — zkWarsaw 2022\-12 – 2025\-04 Warsaw, Poland Managed speakers/talks, sponsor acquisition and community building; facilitated meetups and moderated conferences\. Reports an organically recurring community and sold\-out zkWarsaw Day 2023\. ### Adviser — Cara Care 2019\-07 – 2024\-06 Berlin, Germany Hired/onboarded a new technology team and consulted changes to the app for German DiGA approval, which the source says was granted in 2021\. This is a historical self\-reported claim\. ### Engineer — Scroll 2022\-04 – 2023\-10 Hong Kong Integrated geth/Go, zkEVM/prover Rust, React and Solidity into the L2 rollup\. Built CI/CD with Netlify, Docker, Jenkins, GitHub Actions and AWS EC2; implemented Sentry/Grafana metrics, team processes and onboarding\. Gave talks/workshops and reports co\-launching three testnets culminating in mainnet\. ### Co\-Founder & CTO — Knit 2020\-04 – 2022\-01 London, United Kingdom Technical strategy, React/Node full\-stack implementation and KPI/financial tracking for video\-networking events\. Reports four MVPs in four months, profitability after six months, 300\+ hosted virtual events and 10k students/academics served\. ### Managing Partner — Dessert Ventures 2019\-07 – 2020\-04 Warsaw, Poland Technology consulting and product development, offering Web3 full\-stack development, data engineering and interim CTO services\. ### Co\-Founder & CTO Product — Cara Care 2015\-12 – 2019\-06 Berlin, Germany Technical strategy, hiring/onboarding, KPI/financial tracking and operations\. Built a React Native digestive\-health tracker; co\-led seven\-person Django/React/RN product team and nutritionist/sales operations\. Reports 500k\+ downloads, 4\.7 stars at 3k\+ ratings and co\-raising $9M\. ### Software Developer / Research Intern — Panasonic USA 2015\-08 – 2016\-02 Cupertino, United States Full\-time internship/master’s thesis at Panasonic R&D Silicon Valley Lab\. Developed a robotics reinforcement\-learning sandbox using Deep Q\-learning, ROS and Python\. ### Consultant — Telecom Etude 2014\-12 – 2015\-07 Paris, France Full\-stack consultancy for Télécom ParisTech’s Junior Enterprise\. Developed/maintained Iperio and AppliDroit iOS applications using Objective\-C and a PHP backend\. ### Consultant — Academy Consult München e\.V\. 2014\-06 – 2014\-09 Munich, Germany Three\-person consultancy team analysing, structuring and visualising the CRM market; Microsoft SharePoint\. ### Intern, iOS Application Development — adesso AG 2014\-04 – 2014\-07 Munich, Germany TUM cooperation internship in a seven\-person team\. Built an Objective\-C B2B iPhone/iPad application suite for interactive product\-sketch prototyping\. ### Thesis Student — fortiss GmbH 2013\-05 – 2013\-09 Munich, Germany Bachelor’s thesis: Java\-backed production/consumption forecasting in an automated smart microgrid, including a live home/office demonstrator\. ### Web Application Developer — Deutsche Telekom AG 2013\-04 – 2013\-07 Munich, Germany CDTM cooperation project in a five\-person team\. Built a rich mobile multimedia application using HTML5, JavaScript and WebRTC\. ### Trend Researcher — Audi Electronics Venture GmbH 2013\-03 – 2013\-05 Munich, Germany CDTM cooperation in a five\-person team\. Co\-authored the report “Human\-Machine\-Interaction in Individual Mobility”\. ### Tutor for Operating Systems — Technische Universität München 2012\-10 – 2013\-03 Munich, Germany Taught operating systems and programming languages; coordinated with fellow university tutors\. ### Custom Software Developer — Freelance 2011\-08 – 2013\-03 Poland and Germany Custom software and web pages with Linux, Java and JavaScript; example project was a cashier Linux distribution combining free software and custom UI modules\. ### Tutor for Discrete Mathematics — Technische Universität München 2011\-10 – 2012\-04 Munich, Germany Taught first\-year algebra/combinatorics and MATLAB computation/visualisation; coordinated with a team of fellow tutors\. ### Intern Backend Developer — Flughafen München GmbH 2011\-10 – 2012\-03 Munich, Germany Built Java/OSGi business\-logic server for airport logistics monitoring/management as a TUM cooperation internship, with inter\-team coordination\. ### IT Systems Administrator — Willy\-Brandt\-Schule Warschau 2008\-09 – 2010\-07 Warsaw, Poland School hardware/network/system management\. Migrated IT to centralized Active Directory Linux/Windows with thin/mobile clients, LDAP and server hardware\. ## Education ### Honours Degree, Technology Management — Center for Digital Technology and Management Programme listed for 2013–2015; exact months not supplied\. ### French Ingénieur Diplômé / MEng, Computer Science — Telecom ParisTech Programme listed for 2014–2015; exact months not supplied\. ### Master’s Degree, Computer Science — Technische Universität München Programme listed for 2013–2015; exact months not supplied\. ### Psychology Studies — Ludwig\-Maximilians Universität München Psychology study listed for 2012–2014; a awarded degree is not stated\. ### Bachelor’s Degree, Computer Science — Technische Universität München Programme listed for 2010–2013; exact months not supplied\.