Strategic Digital & Marketing AI Leader

Duncan Wagner

  • Use Cases: I partner with teams to identify processes that consume excessive time or budget, using responsible AI to provide solutions.
  • Governance: I work with technical teams to reduce tool duplication, minimize the adoption of risky applications, and develop clear onboarding / screening processes for new tools.
  • Capability: I have been described as someone who translates the value of AI into "Plain English." I bring AI to life through workshops, prototypes, demos, weekly emails, and use-case libraries.
£5m
Savings delivered in 2025
5,000+
Employees upskilled in AI
MSc
AI & Data Science, graduating July 2026
Use Case Library

The AI Use Case Vault.

The use cases below are solutions built for Diageo brands—including Johnnie Walker, Guinness, and Baileys—to deliver measurable cost savings, time savings, or revenue growth. I believe that if an AI solution cannot claim at least one of these benefits, it is (often) a shiny object or a distraction.

Revenue / Business Impact
Time Savings
Cost Savings
01Germany

AI Pricing Decision Support GPT

Problem

Merchandize and Sales teams struggled to forecast the impact of price changes on whisky sales.

What AI Solved

Built a custom GPT using financial data, historic forecasts, and pricing rules to guide decisions.

Cost Saved
€100k
saved per quarter in agency fees
Time Saved
30 hrs
saved per quarter
Revenue Impact
+0.5%
sales volume increase
02UK

ROI-Based Media Investment GPT

Problem

Johnnie Walker teams lacked clarity on incremental budget investment and faced slow agency support.

What AI Solved

Created a bespoke GPT using 4 years of ROI data and media best practices to query optimal strategies.

Time Saved
2 wks → 2 days
decision-making accelerated
Cost Saved
€75k
saved per quarter in media reports
Revenue Impact
+10%
higher ROI for AI-powered campaigns vs. year on year
03Global

Pencil AI for Local Image and Video Asset Adaptation

Problem

Local brand teams spent vast sums of time and money adapting globally made assets for their market.

What AI Solved

We onboarded a tool called Pencil, enabling teams to alter bottle shots and backgrounds at a fraction of the price and time, enabling faster campaign time.

Cost Saved
€3m
saved in content creation cost per year
Time Saved
25–40%
in time savings for brands that adopted the Pencil AI tool
04UK

AI Joint Business Plan (JBP) Generator

Problem

Commercial teams produced inconsistent and non-competitive joint business plans with retailers.

What AI Solved

Trained an AI agent in Microsoft Teams on historical data and best-in-class frameworks to generate first drafts.

Time Saved
30+ hrs
saved per customer JBP
Revenue Impact
1–2%
sales uplift with AI-supported plans
05Europe

Automated AI Translation Workflow

Problem

German, Spanish, and Dutch Ecommerce teams required frequent, manual translations for local websites.

What AI Solved

Created a daily Zapier workflow that scrapes content, translates it via AI, and distributes it automatically.

Time Saved
15 hrs
saved per week
Cost Saved
€5,000
saved per week in translation fees
Automated AI Translation Workflow demo
06Europe

Automated Competitor Intelligence Emails

Problem

Leadership needed affordable and fast weekly summaries of competitor activity.

What AI Solved

Designed a daily 9am automated email (Zapier) that analyzes competitor activity with “so what” summaries.

Time Saved
5–10 hrs
saved per week on research
Cost Saved
€50k
saved per quarter in PR agency reports
Automated Competitor Intelligence Emails demo
07Europe

AI Generated SEO Scrapes, Audits and Storage

Problem

E-commerce in Europe relied on expensive and slow agency reports to improve the ranking of their thebar.com website.

What AI Solved

Using n8n, we applied a tool that scraped the website on a monthly basis and offered 10 tangible, SEO-grade solutions for how to improve the site, which the team could apply directly.

Time Saved
20–30 hrs
saved per month waiting for the SEO agency to give ad-hoc advice
Cost Saved
€100k–200k
saved per year in SEO agency remit and billings
AI Generated SEO Scrapes, Audits and Storage demo
08Global

AI Generated Influencer Briefs

Problem

Guinness teams were producing inconsistent and low-quality briefs for influencer agencies.

What AI Solved

Enabled the creation of standardized, high-quality briefs incorporating all relevant data instantly.

Time Saved
~180 hrs
saved in 6 months (6 hrs per brief)
09Global

Marketing Compliance AI Checker

Problem

Brand teams created adverts that violated the Marketing Code, leading to rework and delays.

What AI Solved

Developed a Copilot chatbot to assess adverts against DMC standards with Red/Amber/Green feedback.

Time Saved
~2 weeks
saved in production
10Global

Automated PowerPoint Creation Tool

Problem

Employees spent excessive time on manual slide formatting instead of high-value analysis.

What AI Solved

Built a templated Diageo format allowing Copilot to convert Word docs into polished presentations.

Time Saved
10+ hrs
saved per week per employee
AI Education

Teaching teams to think clearly about AI.

Teaching leaders, employees and teams about AI is difficult — here are some snapshots of how I've taught teams about the best way to approach AI in clear, easy to understand language.

Slide 01
AI Education

The Perfect Prompt

A simple framework — Goal, Context, Expectations — for getting consistently useful answers from AI.

Slide 02
AI Education

A Governance-First Approach to AI

A three-step model — inventory, govern, and scale — to turn scattered AI activity into 5–10 high-impact, compliant use cases.

Slide 03
AI Education

Marketing AI Benefits: Efficiency to Growth

How AI value evolves over time — starting with cost and time savings, then unlocking revenue growth through ideation, ROI and acquisition.

Slide 04
AI Education

A World of 10-80-10

Reframing the human/AI workflow: humans set the problem and polish, AI drafts the middle.

Slide 05
AI Education

The AI Sweet Spot

Why too much choice in AI tooling actually reduces execution — and how to find the sweet spot.

Slide 06
AI Education

Why AI is Biased

Explaining model bias in plain English — because we built and trained it.

Slide 07
AI Education

The Brand Manager of the Future

Showing teams what an AI-augmented workday looks like — judgment and creativity, amplified.

Slide 08
AI Education

The Cost of AI Used Improperly

Real-world examples of AI harm: bias, deception, backlash — and the bottom line for brands.

Slide 09
AI Education

AI Risk & Mitigation

A practical framework for spotting risks across systems, prompts and outputs — with clear safeguards.

Slide 10
AI Education

7 Questions to Ask Any AI Provider

A practical checklist for evaluating AI vendors — with the 'good' vs 'bad' answers to listen for.

Let's talk
Email: duncanwagner0@gmail.com
LinkedIn: https://www.linkedin.com/in/duncan-wagner-00490252
Download Full CV (PDF)