Gartner Research

The General Manager’s First 100 Days

Published: 19 August 2019

ID: G00448080

Analyst(s): Mark McDonald , Kaustav Dey


Successful executive transitions start with detailed onboarding plans. Technology general managers in transition need to efficiently prepare, assess, plan and execute because the first months on the job are crucial determinants of success. Operationalize your transition with this step-by-step guide.

Table Of Contents


  • Introduction
  • How to Use This Document
  • The First 100 Days Plan
    • Prepare Phase (Days −15 to 15)
    • Assess Phase (Days 0 to 30)
    • Plan Phase (Days 15 to 45)
    • Act Phase (Days 30 to 90+)
    • Measure All Phases
  • The First 100 Days Are Just the Beginning

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