Derek Calloway

Revenue operations lead at a Series B fintech in Austin. Previously four years at Apollo.io running the RevOps function — built the data enrichment pipeline, owned the CRM stack (HubSpot + Salesforce), and managed the SDR tooling. Writes about AI in ops workflows since 2024, after wiring CommanderGPT into the team daily deal review process.

• Twitter
• LinkedIn

1 tool by Derek Calloway.

• Ops productivity systems

• 

  Gerador de Fórmulas Excel: VLOOKUP, SUMIFS e IF, Rápido

  1 de julho de 2026

  Para de adivinhar a sintaxe do Excel. Este gerador de fórmulas Excel transforma o teu objetivo na fórmula exata, VLOOKUP, SUMIFS, IF ou TEXTJOIN, explicada de forma simples.