What’s next now
What’s next now
What’s next now
Discover next-generation strategies for the future of digital advertising. We’ll show you what’s next at RTB Day London 2025.
The event
The event
Join us on 15 May 2025 at RTB Day London, a networking and knowledge event for advertising industry professionals. Hear talks from a range of online marketing and ecommerce experts, get insight into the challenges of today, and share your own industry-shaping ideas.
Come for the business. Stay for the community, the new friends, and the food!
Join us on 15 May 2025 at RTB Day London, a networking and knowledge event for advertising industry professionals. Hear talks from a range of online marketing and ecommerce experts, get insight into the challenges of today, and share your own industry-shaping ideas.
Come for the business. Stay for the community, the new friends, and the food!
Join us on 15 May 2025 at RTB Day London, a networking and knowledge event for advertising industry professionals. Hear talks from a range of online marketing and ecommerce experts, get insight into the challenges of today, and share your own industry-shaping ideas.
Come for the business. Stay for the community, the new friends, and the food!
09.00-10.00
Arrival, registration & coffee
10.00-10.15
Event opening
Andrew Howe - VP of Operations, RTB House
Speaker
10.15-10.45
What's Next Now for Ecommerce
Andy Mulcahy - Strategy and Insight Director, IMRG
Speaker
10.45-11.15
Next-generation Measurement
and Why Incrementality Matters
Jaysen Gillespie - VP of Product Marketing and Analytics, RTB House
Jaysen Gillespie - VP of Product Marketing and Analytics, RTB House
Speaker
11.15-11.40
Coffee break
11.40-12.10
How to Measure the True Impact of Your Campaigns: Across the Funnel and Beyond
Jon Grail - Director of Growth, Sweaty Betty
Rory Sale - Head of EMEA Partnerships, Fospha
Speakers
12.10-12.40
Panel discussion: Data or Delusion?
Making Sense of Attribution in 2025
Adam Garnsey - Group Head of Paid Media, JD Group
Amy Hockin - Head of Paid Traffic Acquisition, Virgin Media O2
Paul Oates - Head of Performance, Sykes Holiday Cottages
Speakers
12.40-14.00
Lunch break
14.00-14.20
From Insight to Impact: Building Smarter Marketing Strategies in 2025
Laura Davis - Senior Customer Success Manager, AppsFlyer
Aimee Ford - Head of Performance Marketing, Wowcher
Speaker
14.20-14.40
Panel discussion:
Mastering Creative: Channel-by-Channel
Dipti Kerai - Senior Digital Marketing Specialist, Virgin 02
Hannah Perry - Performance Marketing Lead, Awaze
Speaker
14.40-15.00
Coffee break
15.00-15.20
IntentGPT Offers a Glimpse at the Future
of Targeted Ads
Jaysen Gillespie - VP of Product Marketing and Analytics, RTB House
Speaker
15.20-15.30
What's Next Now... And After ?
Event summary and closing
Andrew Howe - VP of Operations, RTB House
Speaker
15.30-20.00
Afterparty with drinks and music
09.00-10.00
Arrival, registration & coffee
10.00-10.15
Event opening
Speaker
Andrew Howe - VP of Operations, RTB House
10.15-10.30
What's Next Now for Ecommerce
Speaker
Andy Mulcahy - Strategy and Insight Director, IMRG
10.30-11.00
Next-generation Measurement
and Why Incrementality Matters
Speaker
Jaysen Gillespie - VP of Product Marketing and Analytics, RTB House
11.00-11.30
Coffee break
11.30-12.00
How to Measure the True Impact of Your Campaigns: Across the Funnel and Beyond
Speakers
Jon Grail - Director of Growth, Sweaty Betty
Rory Sale - Head of EMEA Partnerships, Fospha
11.30-12.00
Panel discussion: Data or Delusion?
Making Sense of Attribution in 2025
Speakers
Adam Garnsey, Group Head of Paid Media, JD Group
Amy Hockin - Head of Paid Traffic Acquisition, Virgin Media O2
Paul Oates - Head of Performance, Sykes Holiday Cottages
12.30-14.00
Lunch Break
14.00-14.20
From Insight to Impact: Building Smarter Marketing Strategies in 2025
Speaker
Laura Davis - Senior Customer Success Manager, AppsFlyer
Aimee Ford - Head of Performance Marketing, Wowcher
14.20-14.40
Panel discussion:
Mastering Creative: Channel-by-Channel
Speaker
Dipti Kerai, Senior Digital Marketing Specialist, Virgin 02
Hannah Perry - Performance Marketing Lead, Awaze
15.00-15.20
IntentGPT Offers a Glimpse at the Future of Targeted Ads
Speaker
Jaysen Gillespie - VP of Product Marketing and Analytics, RTB House
15.20-15.30
What's Next Now... And After ?
Event summary and closing
Speaker
Bonprix
15.30-20.00
Afterparty with drinks and music
14.40-15.00
Coffee break
Agenda
Agenda
We’re talking honestly about tomorrow, not worrying about yesterday. Forward-thinking presentations and conversations with speakers from RTB House, industry experts and representatives from successful U.K. firms. We’ll focus on key topics like getting more value from ad budgets, trends in campaign measurement, and how to identify incremental growth.
Programme
Programme
Programme
Speakers
Adam Garsney
Group Head of Paid Media, JD Group
Adam has worked across both the agency and client side of paid media for 12 years. He specialises in ecommerce and has collaborated with businesses such as Three, Myprotein, NotOnTheHighStreet, Lululemon and PrettyLittleThing to name a few. He is currently Group Head of Paid Media at JD Sports, leading a team of 20.
Aimee Ford
Head of Performance Marketing, Wowcher
Aimee brings nearly a decade of hands-on experience across ecommerce, app, and web. She’s passionate about working with great teams to turn insights into measurable results.
Amy Hockin
Head of Paid Traffic Acquisition, Virgin Media O2
Andrew Howe
VP of Operations, RTB House
Andrew has over 25 years of experience in various marketing roles. He currently runs the Account Management, Data, Supply-Side, and Technical teams for RTB House in the U.K. He has previously led sales, consulting, paid search, and design teams in numerous roles across media, agency, and marketing technology companies.
Andy Mulcahy
Strategy and Insight Director, IMRG
Andy has worked at the heart of the online retail industry since 2010, and has become a leading ecommerce industry analyst who regularly speaks at webinars, roundtables, executive lunches and conferences. He has robust expertise and knowledge across multiple areas of online retail and is the UK’s leading expert on Black Friday.
Dipti Kerai
Senior Digital Marketing Specialist, Virgin 02
Hannah Perry
Performance Marketing Lead, Awaze
Jaysen Gillespie
VP of Product Marketing and Analytics, RTB House
Over the last 15 years, Jaysen has worked with the biggest players in the advertising industry, and is currently driving the marketing of RTB House products. He has a gift for breaking the most complex elements of data science down into compelling but simple stories. He speaks passionately about how analytics can even be fun… if you know what you are looking for.
Jon Grail
Director of Growth, Sweaty Betty
Jon has spent over a decade building and leading high-performance teams for some of the U.K.’s best-known retail brands. As Director of Growth at Sweaty Betty—the OG of female-first activewear—he oversees media, performance and customer marketing. He works with marketing, channel leads and the product team to deliver full-funnel growth strategies that drive the brand and its commercial outcomes.
Laura Davis
Senior Customer Success Manager, AppsFlyer
With over eight years in mobile and five at AppsFlyer, Laura helps clients across all verticals to optimise their mobile marketing strategies. She is passionate about the technical side of mobile measurement and specialises in turning complex data into actionable insights.
Paul Oates
Sykes Holiday Cottages
As head of Performance Media at Sykes Holiday Cottages, Paul is a skilled and experienced digital marketer with particular expertise in PPC ads. He has over a decade of experience in the AdTech world and is a regular speaker at major industry events.
Rory Sale
Head of EMEA Partnerships, Fospha
Rory leads Fospha’s strategic partnerships in Europe, working with ad platforms, tech companies and agencies to bring full-funnel measurement to shared advertisers. His team drives go-to-market efforts in new regions, maximising client success and deepening engagement with key marketing channels. He previously headed Fospha's product innovation team, leading initiatives such as Halo and Glow.
Speakers
Adam Garsney
Group Head of Paid Media, JD Group
Adam has worked across both the agency and client side of paid media for 12 years. He specialises in ecommerce and has collaborated with businesses such as Three, Myprotein, NotOnTheHighStreet, Lululemon and PrettyLittleThing to name a few. He is currently Group Head of Paid Media at JD Sports, leading a team of 20.
Aimee Ford
Head of Performance Marketing, Wowcher
Aimee brings nearly a decade of hands-on experience across ecommerce, app, and web. She’s passionate about working with great teams to turn insights into measurable results.
Amy Hockin
Head of Paid Traffic Acquisition, Virgin Media O2
Andrew Howe
VP of Operations, RTB House
Andrew has over 25 years of experience in various marketing roles. He currently runs the Account Management, Data, Supply-Side, and Technical teams for RTB House in the U.K. He has previously led sales, consulting, paid search, and design teams in numerous roles across media, agency, and marketing technology companies.
Andy Mulcahy
Strategy and Insight Director, IMRG
Andy has worked at the heart of the online retail industry since 2010, and has become a leading ecommerce industry analyst who regularly speaks at webinars, roundtables, executive lunches and conferences. He has robust expertise and knowledge across multiple areas of online retail and is the UK’s leading expert on Black Friday.
Dipti Kerai
Senior Digital Marketing Specialist, Virgin 02
Hannah Perry
Performance Marketing Lead, Awaze
Jaysen Gillespie
VP of Product Marketing and Analytics, RTB House
Over the last 15 years, Jaysen has worked with the biggest players in the advertising industry, and is currently driving the marketing of RTB House products. He has a gift for breaking the most complex elements of data science down into compelling but simple stories. He speaks passionately about how analytics can even be fun… if you know what you are looking for.
Jon Grail
Director of Growth, Sweaty Betty
Jon has spent over a decade building and leading high-performance teams for some of the U.K.’s best-known retail brands. As Director of Growth at Sweaty Betty—the OG of female-first activewear—he oversees media, performance and customer marketing. He works with marketing, channel leads and the product team to deliver full-funnel growth strategies that drive the brand and its commercial outcomes.
Laura Davis
Senior Customer Success Manager, AppsFlyer
With over eight years in mobile and five at AppsFlyer, Laura helps clients across all verticals to optimise their mobile marketing strategies. She is passionate about the technical side of mobile measurement and specialises in turning complex data into actionable insights.
Paul Oates
Sykes Holiday Cottages
As head of Performance Media at Sykes Holiday Cottages, Paul is a skilled and experienced digital marketer with particular expertise in PPC ads. He has over a decade of experience in the AdTech world and is a regular speaker at major industry events.
Rory Sale
Head of EMEA Partnerships, Fospha
Rory leads Fospha’s strategic partnerships in Europe, working with ad platforms, tech companies and agencies to bring full-funnel measurement to shared advertisers. His team drives go-to-market efforts in new regions, maximising client success and deepening engagement with key marketing channels. He previously headed Fospha's product innovation team, leading initiatives such as Halo and Glow.
Speakers
Adam Garsney
Group Head of Paid Media, JD Group
Adam has worked across both the agency and client side of paid media for 12 years. He specialises in ecommerce and has collaborated with businesses such as Three, Myprotein, NotOnTheHighStreet, Lululemon and PrettyLittleThing to name a few. He is currently Group Head of Paid Media at JD Sports, leading a team of 20.
Aimee Ford
Head of Performance Marketing, Wowcher
Aimee brings nearly a decade of hands-on experience across ecommerce, app, and web. She’s passionate about working with great teams to turn insights into measurable results.
Amy Hockin
Head of Paid Traffic Acquisition, Virgin Media O2
Andrew Howe
VP of Operations, RTB House
Andrew has over 25 years of experience in various marketing roles. He currently runs the Account Management, Data, Supply-Side, and Technical teams for RTB House in the U.K. He has previously led sales, consulting, paid search, and design teams in numerous roles across media, agency, and marketing technology companies.
Andy Mulcahy
Strategy and Insight Director, IMRG
Andy has worked at the heart of the online retail industry since 2010, and has become a leading ecommerce industry analyst who regularly speaks at webinars, roundtables, executive lunches and conferences. He has robust expertise and knowledge across multiple areas of online retail and is the UK’s leading expert on Black Friday.
Dipti Kerai
Senior Digital Marketing Specialist, Virgin 02
Hannah Perry
Performance Marketing Lead, Awaze
Jaysen Gillespie
VP of Product Marketing and Analytics, RTB House
Over the last 15 years, Jaysen has worked with the biggest players in the advertising industry, and is currently driving the marketing of RTB House products. He has a gift for breaking the most complex elements of data science down into compelling but simple stories. He speaks passionately about how analytics can even be fun… if you know what you are looking for.
Jon Grail
Director of Growth, Sweaty Betty
Jon has spent over a decade building and leading high-performance teams for some of the U.K.’s best-known retail brands. As Director of Growth at Sweaty Betty—the OG of female-first activewear—he oversees media, performance and customer marketing. He works with marketing, channel leads and the product team to deliver full-funnel growth strategies that drive the brand and its commercial outcomes.
Laura Davis
Senior Customer Success Manager, AppsFlyer
With over eight years in mobile and five at AppsFlyer, Laura helps clients across all verticals to optimise their mobile marketing strategies. She is passionate about the technical side of mobile measurement and specialises in turning complex data into actionable insights.
Paul Oates
Sykes Holiday Cottages
As head of Performance Media at Sykes Holiday Cottages, Paul is a skilled and experienced digital marketer with particular expertise in PPC ads. He has over a decade of experience in the AdTech world and is a regular speaker at major industry events.
Rory Sale
Head of EMEA Partnerships, Fospha
Rory leads Fospha’s strategic partnerships in Europe, working with ad platforms, tech companies and agencies to bring full-funnel measurement to shared advertisers. His team drives go-to-market efforts in new regions, maximising client success and deepening engagement with key marketing channels. He previously headed Fospha's product innovation team, leading initiatives such as Halo and Glow.
What does an
RTB Day look like?
What does
an RTB Day
look like?
What does
an RTB Day
look like?
It’s a casual event with serious clout. We create a space where ad industry peers can discuss “what’s next now” and imagine the future of advertising.
Check out our sister event in Berlin from last year.
It’s a casual event with serious clout. We create a space where ad industry peers can discuss “what’s next now” and imagine the future of advertising.
Check out our sister event in Berlin from last year.
It’s a casual event with serious clout. We create a space where ad industry peers can discuss “what’s next now” and imagine the future of advertising.
Check out our sister event in Berlin from last year.
Where and when will we meet?
Where and when will we meet?
One Hundred Shoreditch London
100 Shoreditch High Street
London
E1 6JQ
100 Shoreditch High Street
London
E1 6JQ
15 May 2025 – 9 AM to 3:30 PM
Followed by an afterparty with drinks and music.
15 May 2025, 9 AM to 3:30 PM
Followed by an afterparty with drinks and music.
15 May 2025 – 9 AM to 3:30 PM
Followed by an afterparty with drinks and music.
15 May 2025, 9 AM to 3:30 PM
Followed by an afterparty with drinks and music.
15 May 2025
9 PM to 3:30 PM
Followed by an afterparty
with drinks and music.
15 May 2025, 9 AM to 3:30 PM
Followed by an afterparty with drinks and music.
Book your place
at the annual event that celebrates staying ahead of trends.
Book your place
at the event that celebrates staying ahead of trends.
Book your place
at the annual event that celebrates staying ahead of trends.
Book your place
at the event that celebrates staying ahead of trends.
Book your place
at the annual event that celebrates staying ahead of trends.
Book your place
at the event that celebrates staying ahead of trends.