Topsort Day

Confirmed Speakers and Attendees

Topsort Developer Day brings together the brightest minds in Retail Media to tackle the toughest challenges in ad monetization and chart a course for the industry’s future. We're hosting it where it all began, in the heart of Silicon Valley.
Four years ago, we asked if technology could solve Retail Media’s biggest hurdles. We found our answer: by coming together, we can. Join us as we break down Big Tech’s barriers and put product-driven innovation into the hands of the builders.

What to expect

Product and Tech Discussions on Monetization

We begin by going deep into the “why” behind standardization.

Nobel Prize winner Alvin Roth on designing better, simpler markets
Stanford professor Michael Ostrovsky on applying theory to modern adtech
Industry leaders on why unification matters now more than ever

Debut Product Launches

How AI meets Retail Media - We’re here to debut 3 Major Product Launches

In-Store AI
Ad Intelligence
Programmatic Retail Media

Ecosystem Conversations

Retailers, marketplaces, and super apps are all part of the same story. These panels explore how each plays a role in creating a more interoperable future.

How fragmentation is affecting the value chain
What collaboration between platforms actually looks like
Real-world lessons from leaders building new infrastructure

AI & Technology Deep Dives

AI is more than a feature—it’s the foundation for the next generation of retail media. These sessions focus on practical, technical ways to make it work.

Real-time decision-making powered by machine learning
Predictive models that unify and optimize campaigns
AI-driven tools to make systems smarter and easier to use

Speakers

Original Thinkers, Bold Leaders, Brilliant Builders

Economist

Alvin E. Roth

Nobel Laureate in Economics and author of Who Gets What, known for pioneering work in market design

Chief Scientist

Michael Ostrovsky

Co-Founder of Topsort and Stanford GSB professor, author of Internet Advertising and Generalized Second Price Auction

Chief Executive Officer

Regina Ye

Co-Founder and CEO of Topsort, started as an e-commerce vendor and built a career in product management

Chief Technology Officer

Francisco Larrain

Co-Founder and CTO of Topsort, Chilean-born engineer and entrepreneur passionate about solving complex problems

Head of Data Science @Stripe

Matt Deland

Head of Data Science at Stripe, PhD in Mathematics, leading analytics across the internet’s global payment infrastructure

Technical Product Leader

Lars Hirsch

Former VP at Snap Ads, Amazon Ads executive, and product management leader at Google Ads with deep expertise in ad tech

Engineering @ Indeed Ads

Gastón L'Huillier

Director of Advertising at Indeed, leads bid optimization and sponsored ads marketplace performance

Scaling Ads

Bobby F. Figueroa

Former Amazon Ads executive, now CEO and Co-Founder of Gradient, a retail media startup acquired by Criteo.

Ads @ OBI, Chair of IAB Europe

Patricia Grundmann

Head of OBI Media, Europe’s leading home improvement store and chairwoman of IAB Europe leading retail media innovation

Ads @ Poshmark

Adi Thacker

VP of Ad Monetization at Poshmark, leading the platform’s advertising strategy and revenue growth across its marketplace

Tech Forward Ad Agencies

Diego Schreiber

Regional Director at Kinesso, overseeing retail media, ecommerce, and digital strategy for global brand growth

Product @Trademe

Kevin Nolan

New Zealand’s beloved and Iconic marketplace

Global Head of Product, Retail Media and Data at Just Eat Takeaway

Juuso Alho

Leading advertising innovation and data strategy across one of the world’s largest food delivery platforms

Product @ Albertsons Media Collective

Nik Rochnik

Product and strategy leader with deep expertise in driving innovation at the intersection of retail and technology

CEO @ Decathlon, Americas

Adriana Peon

Adriana Peon is the CEO of Decathlon’s operations across the Americas, overseeing United States, Canada, Brazil and Latin America

Inside Topsort: Meet the Team Behind the Tech

Expect 100+ Topsorters from around the world to join us at the event, including our co-founders, CEO, CTO, and global team leads.
It’s a unique opportunity to experience the heart of our company culture, connect with the people driving innovation in retail media, and engage in open conversations around our vision, product roadmap, and the partnerships shaping the future of ad infrastructure.