October 6 – 8, 2026One to One IA x Expérience ClientThree days of one-to-one meetings between advertisers and solution providers. The mediaROI team welcomes you at booth C36 to talk measurement, MMM and budget trade-offs.Blog & News
Our in-depth articles on marketing measurement, mediaROI announcements and the events where you can meet the team.
ROI Story
Our in-depth articles on Marketing Mix Modeling, attribution, incrementality and media mix steering.
Marketing Mix Modeling: Short, Medium, and Long TermHow to standardize measurement windows for reliable results and fair budget allocation.Read article →
Attribution vs. Contribution: Separating Fact from FictionAttribution identifies touchpoints leading to conversion, while contribution measures the real weight of each lever through MMM.Read article →
mROAS: Optimize Your Marketing Investments with PrecisionmROAS evaluates the revenue generated by each additional euro invested, natively integrated into the mediaROI platform.Read article →
Preparing Your Data for a Successful MMM: The mediaROI GuideAn effective MMM relies on reliable data. mediaROI simplifies collection through APIs, agency partnerships, and a secure platform.Read article →
The Future of MMM: AI and AutomationThe integration of AI and automation opens a new era: self-feeding, self-executing models recalculated in real time.Read article →
MMM Is No Longer Reserved for Large CorporationsMid-size companies and growing businesses can benefit from MMM with a marketing budget of at least €1M across multiple channels.Read article →
Why a Good MMM Model Trains Like an Elite AthletemediaROI delivers robust MMM models in three weeks thanks to five major technological advances.Read article →
MMM: An Essential Tool for Marketers in 2025Professor Koen Pauwels reminds us that MMM, Attribution, and incrementality tests must be intelligently combined.Read article →
Current MMM Challenges and How to Overcome ThemIn 2025, MMM faces three challenges: data quality, multicollinearity between channels, and the need for agility.Read article →
MMM & Attribution: The End of the Perfect Tracking MythDigital attribution models are biased. Combining attribution with MMM enables fairer measurement.Read article →
Why MMM Must Evolve Toward Unified Marketing MeasurementUMM combines MMM, attribution, and incrementality for a holistic view of marketing performance.Read article →
Meridian, PyMC, Robyn… Open-Source Solutions Transforming Marketing MeasurementThe rise of open-source MMM solutions is significant, but their effectiveness depends on careful configuration and technical expertise.Read article →
MMM & Incrementality: The Winning Duo for Marketing EffectivenessMMM provides a holistic view while incrementality tests measure causality. Combining them is essential.Read article →
61% of Marketers Bet on MMMAccording to EMARKETER and Snap Inc., 61.4% of US marketers see MMM as their top measurement priority.Read article →News
Product launches, measurement publications, involvement in industry work.
mediaROI launches its MCP and connects its marketing measurement to AI assistantsClient brand teams can now query their MMM models in natural language, directly inside their AI assistant (Claude, ChatGPT, Gemini).Read the announcement →
Antoine Szalewski interviewed by MintedOur co-founder and CEO explains how AI makes MMM faster and more accessible without giving up any scientific rigour, and how the UMM framework connects MMM, attribution and incrementality.Read the interview →
mediaROI Publishes Its White Paper: MMM in 2026A clear and practical white paper to understand why MMM is becoming an essential tool for marketing performance.Read the announcement →
Our 2025 Strategy: Toward a Unified Vision of Marketing MeasurementIn 2025, mediaROI adopts Unified Marketing Measurement in a SaaS platform combining MMM, Attribution, and Incrementality.Read the announcement →
David Sourenian Interviewed on the TF1 Publicité PodcastOur COO shares his vision on the MMM revival in the TF1 Publicité podcast "La Pub à l’Oreille".Read the announcement →
mediaROI Joins the Alliance DigitalemediaROI joins the Alliance Digitale to contribute to cookieless measurement initiatives.Read the announcement →Events
Trade shows, conferences and panels: where to meet the team.
October 6 – 8, 2026One to One IA x Expérience ClientThree days of one-to-one meetings between advertisers and solution providers. The mediaROI team welcomes you at booth C36 to talk measurement, MMM and budget trade-offs.
November 5, 2026Future of Cookieless par MintedFuture of Cookieless revisits this defining theme of adtech and digital marketing with the ecosystem’s main players. David Sourenian, co-founder of mediaROI, will speak there.
November 30 – December 1, 2026Tech for RetailThe European retail trade show, at Paris Expo Porte de Versailles. The mediaROI team is at booth V25, in the start-up village.
June 11, 2026Yuri & Neil — The CMO’s role in the age of AISecond edition of 2036, the Yuri & Neil day reserved for advertisers: over 300 marketing directors gathered at the Pan Piper around what AI really changes in their job. David Sourenian spoke there.
Sep 30 – Oct 2, 2025One to One Biarritz 2025Three days of meetings between advertisers and solution providers, on the theme “Desire & data”. Over 850 marketing decision-makers, 110 exhibitors and nearly 3,000 scheduled meetings.
Mar 11 – 13, 2025One to One Monaco 2025Fourteenth edition of One to One Retail E-commerce, at the Grimaldi Forum. 2,200 participants, including 1,100 retailers and e-merchants, for three days of pre-scheduled business meetings.
November 20, 2024Table ronde Mind MediaDavid Sourenian took part in the Mind Media roundtable on marketing measurement in a post-cookie world. On the agenda: the comeback of MMM, open-source models and the limits of outsourced tools.Read the article → 
Oct 1 – 3, 2024One to One Biarritz 2024Tenth edition of One to One Expérience Client, on the theme “Time to Skill”: upskilling, AI adoption and the impact of the ecological transition. 900 participants and 3,000 meetings over three days.October 1, 2024Future of Cookieless & AdForecastTwo back-to-school events: Future of Cookieless, organized by Minted, and AdForecast, organized by CB News. The end of third-party cookies was confirmed there, and MMM emerged as the measurement answer.Read the article → Follow us on LinkedIn
Our analyses, our behind-the-scenes and our talks, post after post.
mediaROIAugust 2026ChatGPT Ads just went live. One more channel, and one more reason to measure every lever on the same footing: inside the MMM, next to search, social and retail media.
11 reactions
Antoine SzalewskiCEO · August 2026Since January, mediaROI has had its offices at STATION F, in the first F/AI batch. Six months on, what the team takes from it.
173 reactions · 13 comments
David SourenianCOO · August 2026At Snap, I spent four years explaining incrementality to advertisers. An infographic showing the gap between the ROAS a platform reports and incremental ROAS.
45 reactions · 1 commentAntoine SzalewskiCEO · August 2026“With our office neighbours at Station F, we did not just share coffees: we shared ideas.” How to bring an AI visibility score into the MMM, with GetMint.
54 reactions · 1 commentmediaROIAugust 2026[Press review] Our founder and CEO was Minted’s guest, on a subject at the heart of what we do: how AI is transforming Marketing Mix Modeling.
28 reactionsDavid SourenianCOO · July 2026“We have all trusted digital a little too much.” After years leading measurement on the platform side, the Unified Marketing Measurement method presented on stage.
59 reactions · 1 commentDiscover the platform
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