A key metric for effective leadership is your team's ability to succeed without you. Intentionally coach and develop direct reports with the explicit goal of having them take over your role. This practice ensures continuity, fosters loyalty, and creates a powerful, scalable leadership pipeline.

Instead of complex leadership frameworks, the ultimate test is simple: do people willingly follow you? This quality is built on a foundation of hyper-communication, consistency, taking responsibility, and leading from the front. Ornate definitions are unnecessary; the proof is in the followership.

Ultimate career success for a leader is not measured by profits or personal accolades but by the growth and achievements of the team members they've coached and empowered. By focusing on building up others, a leader creates a cascading effect of success throughout the organization, which is the most meaningful and lasting impact.

Top leaders like Brian McCarthy time their exit not for a better offer, but for when the business they built can thrive without them. They see their primary value as laying new track (building) rather than keeping trains on time (operating).

Effective leadership prioritizes people development ('who you impact') over task completion ('what you do'). This philosophy frames a leader's primary role as a mentor and coach who empowers their team to grow. This focus on human impact is more fulfilling and ultimately drives superior business outcomes through a confident, motivated team.

The ultimate proof of leadership isn't a team's success under your watch, but its sustained success after you're gone. A leader who leaves a vacuum has failed to develop other leaders, making their impact temporary. True legacy is building an organization that continues to grow, proving you made the system, not just yourself, successful.

The initial goal of building a company that endures can be misplaced. A more meaningful and lasting legacy is created through the people you train and empower. The corporate entity may fade, but the skills and values instilled in your team will ripple outwards for decades through their own ventures and leadership.

Newly promoted leaders often revert to their individual contributor habits of writing briefs and solving escalations. True leadership is about leverage: building a system, team, and operating rhythms that produce great decisions without the leader's direct involvement, thus avoiding becoming a bottleneck.

The most important job of a leader is team building. This means deliberately hiring functional experts who are better than the CEO in their specific fields. A company's success is a direct reflection of the team's collective talent, not the CEO's individual brilliance.