The C-suite is the engine room of organizational success, yet most leaders struggle to build one that truly performs. It's not just about hiring talented individuals—you need the right mix of complementary skills, aligned vision, and chemistry that transforms organizations.

In this episode of Leadership Lounge, we talk to two of our trusted advisors—Danny Ryan and Andres Gil-Casares—who share their perspectives on:

The biggest mistakes CEOs make when building executive teams and how to avoid them
Why cultural fit and behavioral alignment matter as much as technical excellence
How to build C-suites that can drive transformation and adapt to future challenges
Why leaders who admit mistakes and foster open dialogue create higher-performing teams

"You need to find people that are interested in learning things instead of just knowing things. This means having people on your teams who are interested in asking questions, getting out of the comfort zone, and thinking outside the box."

Andres Gil-Casares

Leadership Advisor, Russell Reynolds Associates

Four things you'll learn from this episode

Avoid the echo chamber—hiring executives who think like you can create dangerous groupthink; prioritize diversity of thought over comfort and familiarity.
Balance technical excellence with cultural fit—the most damaging hires have strong credentials but undermine company values, causing talented people to leave.
Create psychological safety for fast learning—C-suites that can admit mistakes, test quickly, and iterate outperform those focused on appearing perfect.
Address performance issues quickly and compassionately—the top regret amongst new CEOs is not moving fast enough on making changes to their top team.

In this episode, we will cover:

(01:52) The risk of unconscious bias and why hiring people who challenge you is critical

(03:49) Why cultural fit can't be underestimated when making C-suite hires

(06:17) The distinction between learning and knowing and why curiosity drives transformation capability

(08:17) How leading by example and admitting failures gives others permission to be more authentic

(09.14) The importance of establishing clear governance frameworks to enable quick decision-making under pressure

(12:10) Why delaying difficult decisions about underperforming executives erodes trust

A closer look at the research from this episode:

Transformational Leadership Study 2025 | Russell Reynolds Associates

CEO Transitions Research | Russell Reynolds Associates

Leadership Lounge: How to Build a Top-Performing C-suite: The Leadership Blueprint for Sustained High Performance

Redefiners

Leadership Lounge: How to Build a Top-Performing C-suite: The Leadership Blueprint for Sustained High Performance