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Rubens CostaProduct Executive

Career / Selected chapters

A career built around consequential problems.

Product leadership across marketplaces, SaaS, platforms and public technology — from zero-to-one bets to organizations designed for scale.

São Paulo, Brazil

Product · AI · Growth · Platforms · GTM · Revenue Ops

The through line

The titles changed. The work stayed consistent: find the constraint, build the system and make the result measurable.

Selected operating outcomes keep their original scope and qualifiers. Some engagements overlapped across advisory, operating and executive mandates.

01

Public transformation

A city, operated as a platform.

This chapter connected technology strategy, digital governance, data infrastructure and public-service delivery in one executive mandate.

01.01

Caraguatatuba

Secretary of Technology & Innovation

Technology strategy, digital governance and delivery of an integrated municipal data and service portfolio.

Selected outcomes

  • Six-product digital ecosystem across citizen, executive and internal experiences, supported by a Data Lake, Data Warehouse and a situation room integrating 10+ departments.
  • R$3.5M in direct savings from selected digital initiatives; R$23M+ in broader savings across 12 municipal contracts under the executive mandate.
  • Digital Governance, Open Data and LGPD committees, plus the first municipal IT master plan, reported as 94% implemented.
  • Four awards, including two international recognitions, and cooperation with Vicente López, Argentina, and Tempe, Arizona.

Public-sector record

02

Product & growth systems

From isolated initiatives to operating systems.

Leadership across SaaS, marketplaces, education and logistics, shaping the product, commercial and operating mechanisms behind scale.

02.01

Quero Bolsa

Chief Product Officer

Hired to lead an executive mission focused on operational recovery and a sustainable growth strategy for one of Brazil’s largest education marketplaces.

Executive scope

  • Led product strategy and portfolio management across the marketplace, connecting Product Analytics, conversion and pricing decisions to financial objectives.
  • Owned Growth, AI applied to Product, user-experience optimization and go-to-market priorities as one operating agenda.
02.02

Kintsu

Chief Product and Operations Officer

Led Product and Operations for an AI-powered HealthTech platform built to accelerate diagnostic journeys, support clinical decisions and turn structured health data into actionable insights.

Selected outcomes

  • Defined the product vision, relaunch, go-to-market and AI strategy, aligning Product, Engineering, Data Science and Operations.
  • Tripled annual revenue from R$3M to R$9M (+200%) and activated four new pharmaceutical-industry clients.
  • Reduced the B2B implementation cycle by approximately five months and doubled physician engagement (+100%).
  • The results supported fundraising and acceleration through Johnson & Johnson and Eretz.bio programs.

Reported operating outcomes

02.03

V4 Company

Product & Education Business Unit Head

Turned the Education BU into a revenue line: US$1.5M forecast over two quarters, projected positive within 12 months.

Mandate & outcomes

  • Data Lake restructure with a reported 29% reduction in operating cost.
  • Reported ~30% CAC reduction alongside ARPU and LTV growth; NPS above 95.

Reported operating outcomes

02.04

G4 Educação

Head of Product — SaaS

Led product work for an 18k+ user SaaS, creating R$14M in reported business impact.

Mandate & outcomes

  • AI Individual Assessment shipped in under 45 days, with 90%+ reported adoption within 15 days.
  • Onboarding and recommendation changes associated with +25% engagement and +30% visitor-to-lead conversion.

Reported operating outcomes

02.05

Foregon

Head of Product — Marketplace

Led the shift to a marketplace model across go-to-market, pricing and operations; the relaunch reported +4% conversion, +39% average ticket and +16% NPS.

Mandate & outcomes

  • A recommendation algorithm using enriched data reported +80% credit approval accuracy.

Reported operating outcomes

02.06

Buser

Head of Ops / Product Owner

Created the logistics Control Tower from zero.

Mandate & outcomes

  • Reported +80% real-time coverage, -40% handling time and approximately R$80k in weekly savings.

Reported operating outcomes

Education & continued practice

Learning as an operating discipline.

01

MBA — Finance, M&A, Global Strategy

Griffith University, Australia

02

Marketing

UniBTA

03

Testing & Leadership

Reforge

04

Product Manager

MIT Launch X

What comes next

Build something that matters.

Interested in ambitious products, difficult problems and exceptional teams.

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