Greene Squares

Defined and led the delivery of a standalone AI-first sales assistant, validating new AI interaction models and shipping to production in under 90 days.

Led the shift to make HubSpot mobile a first-class sales work surface, driving 8× weekly usage growth and the highest NPS in the company.

Led the hiring, scaling, and performance management of design teams at HubSpot, setting a clear quality bar and navigating growth, underperformance, and organisational change.

Designed and launched a regulated B2B SaaS valuations platform, underpinning €1bn+ in mortgage underwriting with secure, auditable national infrastructure.