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TWICM 204: Why Simplicity Wins in Ad Tech with Limelight Founder James MacDonald

TWICM 204: Why Simplicity Wins in Ad Tech with Limelight Founder James MacDonald

Limelight Founder James MacDonald

10 Jul 2026 · 29 min

About this episode

James MacDonald, Founder of Limelight, joins That’s What I Call Marketing to discuss programmatic advertising, building a global ad tech business, AI and why simplicity still matters for marketers today.

This episode explores the journey from Fleet Street advertising sales to modern programmatic technology, through a practical conversation about risk, reinvention, customer focus, remote culture and building technology that solves real problems.

In this episode, we cover:

– What Fleet Street taught James about sales, resilience and asking for the business

– Why helping people buy is more powerful than pushing people to buy

– How James identified the gap that led to Limelight

– Why programmatic advertising still needs simplicity, support and better execution

– How Limelight thinks about AI, interoperability and the importance of human judgement

– What it takes to build and maintain a strong remote culture across a global team

A useful listen for marketers interested in ad tech, programmatic advertising, AI in marketing, founder stories, sales, customer success, remote teams and building through change.

That’s What I Call Marketing is the podcast for marketers who care about brand, B2B, creativity, effectiveness and the future of the profession.

Follow the show for more conversations with CMOs, marketing leaders, agency leaders, professors, authors, thinkers and practitioners.

Find more episodes at: https://www.thatswhaticallmarketing.com

This Cannes Sessions episode is brought to you in partnership with The Digital Voice.

Find out more at: https://www.thedigitalvoice.co.uk

01:38 Starting out on Fleet Street

03:19 What early sales teaches you

04:35 From eggs to advertising

06:27 Helping people buy, not pushing a sale

07:04 Mentors, mistakes and learning through failure

07:11 Starting again and founding Limelight

09:31 Finding the right business partner

10:59 Identifying the gap in programmatic

12:00 Building the Limelight platform

14:00 Taking risks as a founder

15:59 Building culture as the company grows

16:42 Running a fully remote global business

18:17 What Limelight does

20:49 How people discover Limelight

22:16 Listening to customers and building the product

23:33 AI, human judgement and interoperability

26:05 Why simplicity matters in technology

That’s What I Call Marketing is where marketers come for real conversations about brand, B2B, creativity, effectiveness and the future of the profession.

Hosted by Conor Byrne, the show features conversations with CMOs, marketing leaders, agency leaders, authors, thinkers and practitioners about what good marketing looks like in practice.

Listen, follow and find more episodes at: https://www.thatswhaticallmarketing.com

Connect with Conor on LinkedIn: https://www.linkedin.com/in/conorbyrneirl/

If you enjoy the show, please follow, subscribe and leave a review. It helps more marketers find the conversations.

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