Marketo Co-Founder Jon Miller Launched Phave

The new marketing automation platform uses AI to replace static, rules-based logic for B2B teams.

Updated on Sept. 23, 2026 in Advertising

Bold flat-color editorial illustration showing a stack of interlocking ceramic geometric forms on a cream background, representing automated business logic. — Marketo co-founder Jon Miller has launched Phave, a new marketing automation platform that utilizes AI models to replace traditional, rigid B2B rules. AI Illustration. Upload story photo >

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Marketo co-founder Jon Miller has officially launched Phave, a marketing automation platform that spent two years in stealth development. The software leverages AI reasoning models to replace rigid, rules-based systems in modern B2B marketing environments.

Why it matters

Legacy automation tools have struggled to keep pace with the increasing complexity of modern B2B purchasing journeys. Phave aims to provide a more flexible alternative that aligns with the needs of contemporary marketing teams.

Phave integrates with 319 tools via the Model Context Protocol and has reported a 2 to 3 times speed improvement for building campaigns. The platform currently supports 10 companies.

The players

Jon Miller

He is a tech entrepreneur and the co-founder of the marketing automation company Marketo.

The details

Phave utilizes AI agents to execute tasks while adhering to organizational naming conventions and standards. The system organizes marketing tactics into dynamic playlists that adjust based on specific buyer context.

Jon Miller sold Engagio to Demandbase in 2020.
Phave officially launched on September 23, 2026.

Market Landscape

Phave reflects a broader shift toward AI-native software architectures that replace legacy rules-based engines. By integrating with the Model Context Protocol, the platform positions itself to compete with established incumbents by prioritizing interoperability and reasoning over static logic.

Marketing teams may see significant gains in campaign production speed, with users reporting two to three times faster workflows. This platform aims to reduce the manual effort required to manage complex B2B buyer journeys.

The takeaway

AI-driven reasoning platforms are rapidly emerging as successors to traditional, manual marketing automation software. Teams should evaluate whether their existing stacks provide the agility necessary to handle modern, non-linear buying patterns.