Executive coaching for mission-driven leaders

Empowering CEOs, executives and their teams at the world’s most innovative companies.

Transformational results

Sierra Leadership’s clients become the fullest, most impactful versions of themselves. They experience deeper self-awareness and confidence, improved relationships, better communication, and new insights into their most challenging issues.

Eric Nitzberg, Sierra Leadership’s founder, brings 25 years of people development experience and a singular ability to bring out the greatest potential in CEOs and other senior leaders.

Personalized solutions

Our clients grapple with unique situations while operating in profoundly complex environments. They want expert support that meets them exactly where they are. That’s what we do: provide coaching and team development exquisitely tailored to our clients’ needs.

Eric is one of the few people in the world I can talk to about my biggest challenges—strategic and personal. He gets it, and knows how to bring out the best in me. An incredible person and coveted coach of senior executives, he has helped me through some of the toughest decisions and processes I’ve faced.

CEO, Fortune 100 Company

Trust through connection

We build high-trust collaborations with our clients. We start by listening, creating a safe container so we can get to know them almost as well as they know themselves. Then we grow the relationship by tackling their most important priorities together—as partners.

I’ve met, interviewed, and partnered with hundreds of coaches globally, and Eric is in the top 1% based on my experience working with so many coaching professionals.… Leaders in our organization request him by name because the good word has spread regarding his talent for helping leaders better themselves by bringing about necessary change.


Our latest insights

The Power of Getting Over Yourself

A mentor once commented to me that she had mostly “gotten over herself.” We were talking about playing a larger role in the world, having a bigger platform, stepping into more impactful places. Her point was, you have to get out of your own way. I knew exactly what she meant. How many of us […]

How Successful C-Level Leaders Become Company Leaders

You’ve arrived—you’re now a successful C-level leader. You’ve gotten feedback that you’re doing a great job leading your function. Things are going well. What’s next?  Your next step is to move into “company level leadership,” where you retain the same title, but your influence expands well beyond your function. It’s a little-known fact that there […]

Eric has given so much to our company that it’s hard to calculate his value. I’m so grateful for how he helped me grow, and how his deft engagement with our whole leadership team brought us closer and helped boost our performance.

CEO, $30B hyper growth company