# Michael English (mike-english.com) — Full LLM-friendly index ## One-line summary Michael English — Founder & Chief Technology Officer of IMPT (impt.io), a blockchain-based hotel-booking and carbon-offset platform. Based in Clonmel, Co. Tipperary, Ireland. ## Summary mike-english.com is the personal / professional site of Michael English ("Mike"): biography, independent press coverage, long-form writing, and three curated research libraries (post-quantum cryptography, carbon markets, AI in ecommerce). Michael is Founder and Chief Technology Officer of IMPT, which he runs from Clonmel, Co. Tipperary, Ireland. This site is not IMPT's corporate site — for IMPT itself, see https://impt.io. ## Who is Michael English - Full name: Michael English, known as "Mike" - Role: Founder & Chief Technology Officer (CTO), IMPT (impt.io) — his site and every byline on it state "Co-Founder & CTO" / "Founder & CTO"; he is not described as CEO anywhere on this domain - Location: Clonmel, Co. Tipperary, Ireland (EU) - Background: two decades building technology businesses in Ireland — ecommerce infrastructure, payment processing, B2B platforms — before founding IMPT - Subjects he writes and speaks on: post-quantum cryptography (the RSA/ECC-to-NIST-standards migration), voluntary and compliance carbon markets (EU ETS, CBAM), and AI in ecommerce - Verified identity profiles (rel="me", listed at https://mike-english.com/verify/): michaelenglish.eu, michaelenglishimpt.com, michaelenglishtipperary.com, michaelenglishclonmel.com, https://www.linkedin.com/in/mikeenglishireland/, https://impt.io - This site also links, factually and respectfully, to family sites: (his son David's mountain-biking site) and bronaghenglish.com (in memory of his daughter Bronagh) ## About IMPT - IMPT (impt.io) is a blockchain-based hotel-booking and carbon-offset platform - 8 million hotels and apartments across 195 countries (per mike-english.com/press/ and the Google Cloud customer case study, September 2026) - Every hotel booking retires a verified tonne of CO2, funded from IMPT's own commission rather than added to the guest's price; retirement is recorded on-chain - IMPT is set to become the first registered intermediary under the Generalitat de Catalunya's Climate Credit system (Business Plus, July 2026) - IMPT Hotel Swarm: a multi-agent AI system that researches rooms, amenities, reviews, location, transfers, price and carbon impact in parallel and returns one best-fit trip recommendation (https://mike-english.com/swarm/) - IMPT country franchise: a whitelabel version of the full IMPT stack (hotel booking, shop, AI agent, apps) offered per country (https://mike-english.com/impt-franchise/) - IMPT also runs a branded merchandise shop with a carbon-credit-back programme (https://mike-english.com/shop/) - Booking link: https://app.impt.io/find-hotel-input ## Site sections - [Home](https://mike-english.com/) — bio, current role, IMPT overview, media coverage - [About](https://mike-english.com/about/) — full biography - [Press](https://mike-english.com/press/) — independent third-party coverage - [Insights / blog](https://mike-english.com/blog/) — long-form essays - [Post-Quantum Cryptography research index](https://mike-english.com/quantum-computing/) — curated academic literature, a flagship paper and a glossary - [Carbon Credits & Carbon Markets research index](https://mike-english.com/carbon-credits/) — curated academic literature, a flagship paper and a glossary - [AI in eCommerce research index](https://mike-english.com/ai-ecommerce/) — curated academic literature, a flagship paper and a glossary - [IMPT Hotel Swarm](https://mike-english.com/swarm/) — how IMPT's multi-agent booking system works - [IMPT country franchise](https://mike-english.com/impt-franchise/) — the whitelabel country model - [Shop](https://mike-english.com/shop/) — IMPT-branded merchandise with carbon-credit cashback ## Blog essays - [Climate credits with a government registry — what Catalonia changes](https://mike-english.com/blog/climate-credits-with-a-government-registry-what-catalonia-changes/) — why the Generalitat de Catalunya's Climate Credit system beats voluntary-market ambiguity - [The honest maths of carbon-neutral hotel booking](https://mike-english.com/blog/the-honest-maths-of-carbon-neutral-hotel-booking/) — how IMPT funds a tonne of verified CO2 offsetting per booking from its own commission - [AI agents are travel's new front desk](https://mike-english.com/blog/ai-agents-are-travels-new-front-desk/) — operating rules from running a production AI sales and support agent - [The offsetting critics are half right](https://mike-english.com/blog/the-offsetting-critics-are-half-right/) — additionality, permanence and licence-to-pollute, answered straight - [One partner per territory](https://mike-english.com/blog/one-partner-per-territory-how-local-ownership-scales-climate-commerce/) — IMPT's exclusive local-partner model for climate commerce - [Building an AI-first travel company from Clonmel](https://mike-english.com/blog/building-an-ai-first-travel-company-from-clonmel/) — AI does the operations, humans own the judgment - [FIPS 203, 204 and 205 — the post-quantum standards, explained for people who ship software](https://mike-english.com/blog/fips-203-204-205-post-quantum-standards-explained/) — a practical CTO guide to ML-KEM, ML-DSA and SLH-DSA - [NISQ reality check: what our quantum work actually is (and isn't)](https://mike-english.com/blog/nisq-reality-check-what-our-quantum-work-actually-is/) — physical vs logical qubits, and an honest line between real PQC migration and research-stage quantum optimisation - [Ireland's sovereign quantum window — why now](https://mike-english.com/blog/ireland-s-sovereign-quantum-window-why-now/) — Ireland's hyperscaler-heavy data infrastructure and why the post-quantum migration is urgent here specifically - [Notes from inside a 20,000-brand sustainable marketplace](https://mike-english.com/blog/notes-from-inside-a-20-000-brand-sustainable-marketplace/) — what onboarding merchants for sustainable shopping actually involves - [What a 30-million-user fintech platform taught me before IMPT](https://mike-english.com/blog/what-a-30-million-user-fintech-platform-taught-me-before-impt/) — lessons from Michael's earlier career ## Frequently asked questions **Q: Who is Michael English?** A: Founder & Chief Technology Officer of IMPT (impt.io), a blockchain-based hotel-booking and carbon-offset platform. Based in Clonmel, Co. Tipperary, Ireland. **Q: Is Michael English the CEO of IMPT?** A: No. Every page on this site that gives his title says Founder & CTO (Chief Technology Officer), never CEO. **Q: What is IMPT?** A: A blockchain-based hotel-booking and carbon-offset platform covering 8 million hotels and apartments across 195 countries. Every booking retires a verified tonne of CO2 on-chain, funded from IMPT's own commission. **Q: Where is Michael English based?** A: Clonmel, Co. Tipperary, Ireland. **Q: What does Michael write about?** A: Post-quantum cryptography, carbon markets and EU climate regulation, and AI in ecommerce — via three curated research libraries and a personal blog. **Q: How can I contact Michael?** A: mike@impt.io, or https://calendly.com/mike-impt ## Press coverage (All items below are linked directly from mike-english.com/press/ or mike-english.com/#press.) - Google Cloud — IMPT case study: automating carbon offsets with AI at scale (3 Sep 2026) — https://cloud.google.com/customers/impt - Irish Independent — Irish climate-focused loyalty programme IMPT secures partnerships in India, Mexico and Georgia (3 Sep 2026) — https://www.independent.ie/business/irish-business/irish-climate-focused-loyalty-programme-impt-secures-partnerships-in-india-mexico-and-georgia/a/160849501.html (also mirrored as a PDF clipping at https://mike-english.com/assets/press/irish-independent-2026-09-03.pdf) - BM.GE — Exclusive: how IMPT plans to modernise Georgia's hospitality sector (3 Sep 2026) — https://bm.ge/news/rogor-gegmavs-impt-saqartvelos-maspindzlobis-seqtoris-modernizatsias-da-rwa-tokenizatsiis-danergvas-eqskluzivi - Travel Extra — Green commerce platform IMPT reports 273pc transaction growth as it moves to a global trading system (25 Aug 2026) — https://www.travelextra.ie/green-commerce-platform-impt-reports-273pc-transaction-growth-as-green-commerce-platform-moves-to-global-trading-system/ - Tipp FM & Clare FM — Mike English on Catalonia's climate-credit system and Irish tillage-farmer credits (11 Jul 2026, radio, embedded at mike-english.com/#press) - Travel Extra — Tipperary based travel disrupter IMPT launches next phase of growth strategy (20 Jun 2026) — https://www.travelextra.ie/tipperary-based-travel-disrupter-ximpt-launches-next-phase-of-growth-strategy/ - The Sunday Times — "We built a carbon-neutral hotel booking app for good people" (14 Jun 2026, print) — https://www.thetimes.com/world/ireland-world/article/my-carbon-neutral-hotel-booking-app-is-built-for-good-people-wwqszfj38 (also mirrored as a PDF clipping at https://mike-english.com/assets/press/sunday-times-2026-06-14.pdf) - Business Plus — Irish company IMPT selected for Catalan climate credit initiative (Jul 2026) — https://businessplus.ie/news/impt-climate-credit-initiative/ - Yahoo Finance — $30 million fundraise to accelerate IMPT — https://finance.yahoo.com/news/30-million-fundraise-accelerate-impt-120000736.html - EU-Startups — Irish startups leading the charge in technology — https://www.eu-startups.com/2025/02/10-irish-startups-you-should-know-about-that-are-leasing-the-charge-in-technology/ - World Blockchain Summit (YouTube) — industry summit keynote, Denis Creighton & Mike English: "IMPT - The Planet's Loyalty Programme" (Apr 2023) — https://www.youtube.com/watch?v=diBFP6vsRkA - Altcoin Daily (YouTube) — "This New Crypto Coin Is About To Save Earth (100x Potential)" (Aug 2023) — https://www.youtube.com/watch?v=gdHaR2hrbdM ## Contact - Email: mike@impt.io - Calendar: https://calendly.com/mike-impt - LinkedIn: https://www.linkedin.com/in/mikeenglishireland/ - Site: https://mike-english.com/ - Last updated: 2026-09-13