The team

Built at scale. Building again.

This is the team that built products and infrastructure at Stripe, Meta, and Microsoft. Systems that power millions of businesses and billions of users. We've shipped at scale and built from zero. Now we want to build something even more powerful.

Vivek Sharma

Vivek Sharma

Co-founder

Stripe BL, Meta VP, Microsoft Distinguished Engineer.

  • Scaled Stripe Revenue Suite to $500m+ ARR with new products and go-to-market motion.
  • Led Stripe Billing to a category-leading position and grew Stripe Tax into a formidable new entrant.
  • Built Facebook Gaming Video and scaled Instant Games to 200m+ users and $1bn+ revenue.
  • Grew Facebook Marketplace to 700m+ users and worldwide expansion.
  • Built and scaled Exchange, Exchange Online, and Office 365, including in China, to $10bn+ run rate and millions of customers.
Calvin Grunewald

Calvin Grunewald

Co-founder

Stripe Eng VP, PlayCo President & CTO, Meta Director, Microsoft Engineer.

  • Built Stripe Billing into an industry-leading product, including major v2 rearchitecture.
  • Led PlayCo's game production, technology, and talent teams across multiple messaging platforms.
  • Relaunched Facebook platform APIs and developer programs for third parties and businesses.
  • Incubated and grew Instant Games into the world's largest open games platform.
Tore Hanssen

Tore Hanssen

Founding Engineer

Statsig founding engineer, Meta engineer.

  • Founding engineer at Statsig, supporting more than 300 enterprises.
  • Built and grew the standalone Facebook Gaming app to 2M+ weekly users.
  • Built Instant Games Payments and Conversion API.
  • Built Facebook Marketplace Messaging.
Rob Masson

Rob Masson

Founding Scientist

Atlassian Principal DS, Meta Senior DS, TradeLink Quant.

  • One of the most senior data scientist ICs at Meta, specializing in ecosystems.
  • Led Instagram Teen Account research to drive production supply and financial outcomes.
  • Led understanding of immersive content on Facebook across video and gaming.
  • Led Marketplace trust and safety, verticals, growth, buyer experience, and search.

If you are building agent systems for business operations, contact us. hi@archastro.ai