A mentor isn't someone who provides step-by-step instructions. The most powerful learning comes from finding someone you admire and closely observing their every move, how they speak, and how they behave in the face of obstacles, rather than seeking direct guidance.

Largely self-taught through voracious reading, Jonathan Tepper views investing as an extension of that process. Great investors are in a constant mode of self-education, digging deeply into new companies and industries. The ability to teach yourself is an ongoing, essential part of the job.

Mamoun Hamid's key advice for young investors is to get exposure to the absolute best founders and management teams early. Witnessing an "A++ team" operate firsthand provides an invaluable benchmark. This direct experience makes it much easier to spot true excellence in the wild and to hold other portfolio companies to that high standard.

David Solomon counters the Silicon Valley trend of hiring for 'slope' (potential). He argues that for large, established companies, deep experience provides the critical judgment needed to navigate the difficult 51/49 decisions that arise during crises, a quality he feels is underrated.

Pete Najarian's successful trading firm prioritized hiring aggressive, smart individuals who could execute under pressure, regardless of their academic background. Many of their top traders "barely got out of high school," proving that in high-stakes environments, practical skills can trump traditional credentials.

Contrary to the typical founder narrative of invention, Orlando Bravo emphasizes that his career was built on execution and disciplined learning. He actively listened to his mentors, absorbing their playbooks rather than trying to invent his own, suggesting apprenticeship can be a faster path to success.

Training at large institutional firms like Goldman Sachs provides a foundational skill set in commercial and financial diligence that is directly applicable to earlier-stage investing. The scale of the investment changes, but the core process for identifying and underwriting risks remains the same.

To truly learn about markets or entrepreneurship, you must participate directly, even on a small scale. This visceral experience of investing $50 or starting a micro-business provides far deeper insights than purely theoretical or cerebral learning. Combine this hands-on experience with mentorship from pros.

The young founder hired an experienced executive who became a mentor and effectively his boss. He learned more from observing this leader's actions—how he interacted with people and approached problems—than from direct instruction. This demonstrates the power of learning through osmosis from seasoned operators.