Ian Finn

Ian Finn FCIM CMkr MIoD Senior Product Leader | Identity, Platform & AI | B2C Enterprise

I build the products and platforms that millions of people rely on — without ever noticing. Identity, fulfilment, personalisation — at the scale where the stakes are real and the complexity is unforgiving.

Twenty years across six global multinationals. The through-line: taking the programmes others said couldn't be done and delivering them to a standard nobody thought achievable. Retail technology, government infrastructure, financial services, B2C at scale — the context changes. The outcome doesn't.

Currently: Product Lead, Tesco Technology — leading the Group's identity platform serving tens of millions of customer accounts across five markets and six Group subsidiaries.

Previously: Sky · Barclays · Vodafone · Fidelity International · Department for International Trade · O2 · Capgemini/HMRC · Centrica · BT · Motorola

What I specialise in

Three things that rarely sit in the same person:

Identity & IAM at consumer scale — authentication, access management, fraud signals, and platform architecture serving tens of millions. Billions of API calls monthly. Zero-defect delivery under regulatory deadlines.

M&A integration and separation — both sides of major corporate transactions at FTSE scale. The £700m Tesco Bank divestiture. The first-ever Group identity integration across Tesco and its financial services subsidiaries. Fixed horizons, complex legacy, multiple parties.

Platform transformation and turnaround — five separate first-of-kind or turnaround proof points across government, banking, telecoms, and retail. Programmes that had stalled for years, delivered in months.

Selected proof points

  • Led Tesco's identity platform separation enabling the £700m Tesco Bank divestiture — on time, zero incidents, Christmas peak delivery

  • Delivered Tesco's first-ever Group identity integration — 2 million customers migrated, 60% adoption in five months, held up as a Group exemplar

  • Scaled online fulfilment from 800k to 1.4 million weekly orders during the pandemic — underpinning £2.3bn of incremental online sales

  • Turned around the UK Government's Data Hub CRM in four months — now recording 4 million+ business interactions, seven years on

  • Led identity and Clubcard across Central Europe — 674 stores, millions of customers, two previous failed attempts before this programme

Annual Report citations across six organisations — Tesco (2022, 2025), HMRC (2017–18), Sky (2012), Centrica (2012), BT (2016).

Speaking

  • Keynote Speaker — Customer Experience in Financial Services, London, June 2026

  • Keynote Speaker — Tesco Ignite Global Technology Conference, 5,000 colleagues live

  • CISO Thought Leadership events, 2026

Writing

Product at Scale — thought leadership on product, platform, and AI at enterprise scale. productatscale.substack.com

Credentials

Fellow of the Chartered Institute of Marketing (FCIM) · Chartered Marketer (CMkr) · Member of the Institute of Directors (MIoD) · Advanced Certified Scrum Product Owner (A-CSPO) · Agile PM Practitioner · BA (Hons) University of Warwick

Find me

  • LinkedIn: linkedin.com/in/ianfinn

  • Substack: productatscale.substack.com

  • GitHub: github.com/ianjfinn

  • Carrd: ianfinn.carrd.co

Contact
ian.finn@outlook.com


Awards

FCIM (Fellow, Chartered Institute of Marketing)