About
AccountInsight
The only B2B DSP built from the ground‑up for enterprise account‑based advertising.
Our Story
AccountInsight was born within GroupM (WPP Media) and evolved into an independent B2B demand‑side platform. Today, as part of Expandi Group, we combine ad‑tech innovation with deep B2B expertise.
We were built to fix what B2C‑oriented DSPs will never do: reach business audiences with accuracy, privacy, and transparency.
Looking Ahead.
As the advertising landscape evolves beyond cookies and third‑party identifiers, AccountInsight continues to invest in AI‑driven insights, intent signals, and advanced.
Our goal is to redefine how B2B advertisers engage with companies in a privacy‑first world.
Who We Help.
Global B2B brands seeking to influence decision‑makers across markets.
Media agencies managing multinational enterprise clients.
Tech, manufacturing, and service marketers looking for verified account engagement.
ABM teams who need precision targeting and measurable reach.
How We Work With You.
- Onboard to align on your target accounts and goals.
- Target to identify verified company IPs and audience segments.
- Activate to deliver your message through our DSP across premium media.
- Measure to gain insights on verified company engagement.
- Optimise towards stronger B2B outcomes.
Team & Leadership.
Our leadership team combines decades of experience in media technology, B2B data, and global marketing. Together, we bring the precision of programmatic technology with the strategic insight of enterprise B2B marketing.
Matthew Jantjies
Head of Agency Partnerships
Matthew Jantjies-Green is the Head of Agency Partnerships at accountInsight, the B2B DSP pioneering outcome-driven advertising powered by non-cookie IDs. With a deep passion for connecting agencies to innovative solutions, Matthew specializes in enabling effective B2B programmatic campaigns that drive measurable success. As he puts it, “In a rapidly evolving digital landscape, partnerships are the cornerstone of delivering targeted, impactful advertising that resonates with B2B audiences and maximizes ROI.”
Specialist in bridging agencies with innovative B2B solutions to deliver targeted, high-ROI programmatic campaigns.
Matthew Jantjies-Green is the Head of Agency Partnerships at accountInsight, the B2B DSP pioneering outcome-driven advertising powered by non-cookie IDs. With a deep passion for connecting agencies to innovative solutions, Matthew specializes in enabling effective B2B programmatic campaigns that drive measurable success. As he puts it, “In a rapidly evolving digital landscape, partnerships are the cornerstone of delivering targeted, impactful advertising that resonates with B2B audiences and maximizes ROI.”
Harald Petry
Head of global channel business development
Harald Petry is the Head of Global Channel Business Development at accountInsight, the B2B DSP pioneering outcome-driven advertising powered by non-cookie IDs. With extensive experience in account-based marketing and sales development, Harald specializes in cultivating strategic alliances that empower partners to unlock new revenue streams. As he puts it, “In today’s interconnected market, a robust channel network is essential for scaling B2B success; it’s about building an ecosystem where data-driven insights and trust combine to deliver global impact.”
Strategic alliance expert focusing on ABM and global channel networks to unlock new B2B revenue streams.
Harald Petry is the Head of Global Channel Business Development at accountInsight, the B2B DSP pioneering outcome-driven advertising powered by non-cookie IDs. With extensive experience in account-based marketing and sales development, Harald specializes in cultivating strategic alliances that empower partners to unlock new revenue streams. As he puts it, “In today’s interconnected market, a robust channel network is essential for scaling B2B success; it’s about building an ecosystem where data-driven insights and trust combine to deliver global impact.”
Myriam Bouchet
Director of Business Development France
Based in Paris, Myriam Bouchet is Director of Business Development France for AccountInsight, the B2B brand of Expandi Group. As the main point of contact for media agencies and B2B brands, she turns briefs into KPI-focused, operational recommendations for France as well as multi-country and international setups. Beyond LinkedIn, Google and generalist programmatic platforms designed for mass-market audiences (DV360, The Trade Desk, Amazon, etc.), she helps her clients activate targeted B2B campaigns in display, video and premium formats, tailored to the specificities of the French market.
Expert in turning B2B briefs into KPI-focused display and video campaigns for the French and international markets.
Based in Paris, Myriam Bouchet is Director of Business Development France for AccountInsight, the B2B brand of Expandi Group. As the main point of contact for media agencies and B2B brands, she turns briefs into KPI-focused, operational recommendations for France as well as multi-country and international setups. Beyond LinkedIn, Google and generalist programmatic platforms designed for mass-market audiences (DV360, The Trade Desk, Amazon, etc.), she helps her clients activate targeted B2B campaigns in display, video and premium formats, tailored to the specificities of the French market.
Toni Chumillas
B2B DSP Co-founder & COO
Toni Chumillas is an award-winning marketer and founder of AccountInsight, the B2B DSP designed to enable effective B2B advertising running on non-cookie IDs. In his own words “Technology is changing the way we market. As CMOs are looking for solutions to increase revenue, outcome-driven programmatic B2B provides both qualitative and quantitative insight to help them achieve just that.”
Founder and award-winning marketer driving B2B revenue through outcome-driven programmatic tech and cookie-less IDs.
Toni Chumillas is an award-winning marketer and founder of AccountInsight, the B2B DSP designed to enable effective B2B advertising running on non-cookie IDs. In his own words “Technology is changing the way we market. As CMOs are looking for solutions to increase revenue, outcome-driven programmatic B2B provides both qualitative and quantitative insight to help them achieve just that.”
Raffaele Apostoliti
President & CEO
Serial entrepreneur in the field of B2B advertising & marketing with over 28 years’ experience in the field. A strong believer in the adoption of disruptive technologies for data-driven and performance-led marketing. For over 25 years (leading the launch of the first ecommerce site in 1997) I have been advising companies in their business transformation by embracing an omni-channel approach. Since 2015 I have been highly focused on martech and adtech and on how they are reshaping the industry.
Martech veteran with 28 years of experience in digital transformation, disruptive tech, and performance-led marketing.
Serial entrepreneur in the field of B2B advertising & marketing with over 28 years’ experience in the field. A strong believer in the adoption of disruptive technologies for data-driven and performance-led marketing. For over 25 years (leading the launch of the first ecommerce site in 1997) I have been advising companies in their business transformation by embracing an omni-channel approach. Since 2015 I have been highly focused on martech and adtech and on how they are reshaping the industry.