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PUBLISHED PROGRAMMES, ANALYSED

AI in action.
Real results.

The AI transformation is already underway. These are real examples of how leading global businesses — across every sector — are using AI to cut costs, accelerate growth, and build lasting competitive advantage.

Every programme below is publicly reported and sourced. These are companies I analyse — not Lumii clients.

78%of organisations now use AI in at least one business functionMcKinsey State of AI, 2025 ↗
$3.70returned for every $1 invested in AIGartner, 2024 ↗
$4.4Tannual value AI could add to the global economyMcKinsey Global Institute, 2023 ↗

CASE STUDIES

Eight businesses. Transformative results.

Klarna

FINTECH / CUSTOMER SERVICE

AI EnablementCustomer ExperienceAutomation

AI assistant handles two-thirds of all customer service chats

In its first month, Klarna's AI assistant handled 2.3 million conversations — the equivalent work of 700 full-time agents. Customer satisfaction scores remained on par with human agents, while resolution time dropped from 11 minutes to under 2 minutes.

2.3Mconversations handled by AI in month one
700full-time agent equivalents replaced
<2 minaverage resolution time, down from 11 minutes
Source: Klarna press release, 2024

Morgan Stanley

FINANCIAL SERVICES

AI EnablementDigital StrategyProfessional Services

AI-powered assistant gives 16,000 financial advisors instant access to 100,000+ research documents

Morgan Stanley deployed an OpenAI-powered internal assistant that allows advisors to instantly query the firm's entire intellectual capital — eliminating hours of manual research per week and significantly improving the speed and quality of client advice.

16,000+financial advisors using the AI assistant
100,000+research documents instantly searchable
Hourssaved per advisor per week on research
Source: Morgan Stanley / OpenAI case study, 2023

Walmart

RETAIL & ECOMMERCE

EcommerceDigital StrategyAI Enablement

AI-driven supply chain and personalisation delivers billions in efficiency gains

Walmart uses AI across demand forecasting, inventory management, and personalised search — reducing out-of-stock rates by 16%, improving delivery efficiency, and serving personalised recommendations to 240 million weekly customers. The AI-powered supply chain has saved billions in operational costs.

16%reduction in out-of-stock rates
240Mcustomers served personalised experiences weekly
$Bin supply chain savings attributed to AI optimisation
Source: Walmart corporate reports & MIT Sloan Review, 2024

Duolingo

EDUCATION & TECHNOLOGY

AI EnablementCustomer ExperienceEducation

AI-powered features drive 40% increase in active learners

Duolingo Max — powered by GPT-4 — introduced role-play conversations and personalised explanations at scale, enabling learning experiences previously only possible with a human tutor. Monthly active users grew 47% year-over-year following the AI launch.

47%year-on-year growth in monthly active users post-AI launch
GPT-4powering personalised role-play and explanation features
500M+learners served across 40 languages
Source: Duolingo Investor Day & OpenAI case study, 2024

Coca-Cola

FMCG / MARKETING

Digital StrategyAI EnablementMarTech Advisory

Generative AI accelerates creative production and personalisation at global scale

Coca-Cola partnered with Bain and OpenAI to build AI-powered marketing tools that generate personalised creative assets, accelerate campaign production, and analyse consumer sentiment in real time. The platform reduced creative production timelines by over 50% and enabled hyper-personalised campaigns at a scale previously impossible.

>50%reduction in creative production timelines
GlobalAI-personalised campaigns across 200+ markets
Real-timeconsumer sentiment analysis at brand scale
Source: Bain & Company / OpenAI / Coca-Cola case study, 2023

Goldman Sachs

FINANCIAL SERVICES

AI EnablementDigital StrategyProfessional Services

AI coding assistant generates code equivalent to 1,000 developers annually

Goldman Sachs deployed an internal AI coding tool used by 10,000+ engineers. The tool generates code, writes tests, and assists with debugging — with an estimated productivity uplift equivalent to adding 1,000 developers to the firm each year, without increasing headcount.

10,000+engineers using the internal AI coding assistant
1,000developer-equivalent productivity gain per year
40%of new code at Goldman now AI-assisted
Source: Goldman Sachs / Bloomberg reporting, 2024

IBM

ENTERPRISE TECHNOLOGY

AI EnablementDigital StrategyAutomation

AI and automation saves 3.9 million workforce hours in a single year

IBM deployed AI across HR, finance, legal, and IT operations — automating repetitive tasks and augmenting knowledge workers. In 2024 alone, this saved 3.9 million workforce hours, contributing to a projected $4.5 billion in productivity savings by end of 2025.

3.9Mworkforce hours saved in 2024
$4.5Bprojected productivity savings by end of 2025
50+internal AI use cases deployed across business functions
Source: IBM Think Blog, 2025

Microsoft

TECHNOLOGY / PRODUCTIVITY

AI EnablementDigital StrategyProductivity

Copilot users complete tasks 29% faster and save 9 hours per month

Microsoft's own internal and external research on Microsoft 365 Copilot found that 70% of users reported being more productive, with an average task completion speed increase of 29%. SMB customers deploying Copilot saw up to 353% ROI according to a Forrester Total Economic Impact study.

70%of Copilot users report being more productive
29%faster task completion on average
353%ROI for SMBs per Forrester Total Economic Impact study
Source: Microsoft Work Trend Index & Forrester TEI, 2024

THE DATA

The numbers behind the transformation.

MCKINSEY, 2025

92%

of companies plan to increase AI investment over the next three years

GARTNER, 2024

15.8%

average revenue increase reported by businesses using AI

GARTNER, 2024

22.6%

average productivity improvement from AI adoption

SALESFORCE STATE OF SALES, 2024

83%

of sales teams using AI saw revenue growth last year

GOLDMAN SACHS, 2023

7%

projected increase in global GDP from widespread AI adoption

MCKINSEY GLOBAL INSTITUTE, 2023

60–70%

of time-consuming employee tasks can be automated by current AI tools

PWC, 2025

56%

wage premium for workers with high AI exposure

IBM CEO STUDY, 2025

85%

of CEOs expect positive ROI from scaled AI investments by 2027

Sources: McKinsey Global Institute (2023, 2025) · Goldman Sachs Research (2023) · Gartner (2024) · PwC Global AI Jobs Barometer (2025) · Salesforce State of Sales (2024) · IBM CEO Study (2025) · Stanford HAI AI Index (2025) · World Economic Forum Future of Jobs (2025)

WHAT THIS MEANS FOR YOU

The gap between early movers and everyone else is widening.

Klarna, Goldman Sachs, Walmart, and Microsoft didn’t get these results by accident. They had a clear strategy, the right partners, and the organisational willingness to move. The technology itself was the easy part.

That’s the work Lumii does — helping businesses cut through the noise, identify the right use cases, and build the capability to use AI with purpose.

“AI is the greatest unlock of our era — but only when used with purpose. I help you identify where AI genuinely accelerates your business, and build the capability to use it well.”

AGATA ADAMCZAK, FOUNDER

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