Gokul Rajaram - Lessons from Investing in 700 Companies - [Invest Like the Best, EP.456] - Invest Like the Best Recap

Podcast: Invest Like the Best

Published: 2026-01-29

Duration: 1 hr 16 min

Guests: Gokul Rajaram

Summary

Gokul Rajaram shares insights from investing in over 700 companies, emphasizing the evolving landscape of product development with AI and the future-proof nature of judgment in product management.

What Happened

Gokul Rajaram, a founding partner at Marathon Management, has been a pivotal figure in building core ad and product businesses at major tech companies like Google, Facebook, Square, and DoorDash. He has invested in over 700 companies, providing him with a unique perspective on product development and scalability. Rajaram discusses how AI is transforming product building, likening its impact to the Industrial Revolution for services. He highlights that judgment remains a future-proof skill for evaluating what needs to be built in this new era.

Rajaram points out that product managers' roles are evolving, with an increasing emphasis on coding and prototyping. He believes these skills are essential for balancing customer needs with business priorities. He contrasts the vulnerability of companies like Zendesk and Slack, which are more exposed to AI disruption due to their utility-based pricing models, with more data-centric companies like Salesforce and NetSuite.

The episode delves into the concept of product stickiness in the AI era, which Rajaram attributes to network effects, financial transactions, and unique assets. He uses Toast as an example of hardware-based stickiness, providing hardware for free but charging if returned. He also mentions that legacy systems like ERP and CRM have high switching costs, mainly due to data migration challenges.

Rajaram shares lessons learned from industry giants like Larry Page, Sergey Brin, and Mark Zuckerberg. At Google, the focus was on technological superiority and scale, exemplified by the launch of Gmail with 1GB of storage, vastly outstripping competitors. He credits Zuckerberg with pioneering ideas like Facebook's Custom Audiences, which became foundational to its advertising business.

In discussing advertising models, Rajaram identifies three paths to success: owning a coveted user group, driving outcomes, or being an exclusive provider. He cites The Trade Desk as an example of an exclusive provider managing ad budgets across platforms. He warns that middleman business models on platforms like Google and Facebook are increasingly at risk.

The conversation also touches on the importance of North Star metrics, which should balance company growth and customer value. Rajaram illustrates this with examples from Facebook and Square, where metrics like daily active users and payment processed were used to track growth and engagement. He stresses that these metrics need accompanying check metrics to ensure overall company health, such as gross margin or customer retention.

Key Insights