TechCrunch All Stage is hosting a founder summit with 1,200 founders and VCs in Boston on July 15.Jahanvi Sardana from Index Ventures is joining the breakout session lineup to discuss assessing total addressable market (TAM) for startups.The session will cover case studies of companies like Datadog, Adyen, Wiz, Shopify, and Airbnb on expanding their TAM.Jahanvi Sardana specializes in cybersecurity, enterprise software, and fintech investments as a partner at Index Ventures.