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 Art of the CEO Deep Dive

As CEO, do you really know what’s happening in your company?  That may sound like a strange question. You would think CEOs would have a bird’s-eye view and be deeply informed. But no. In reality, most CEOs inhabit a bubble where the stakeholders around them exquisitely manage the information they can see.  CEOs have to […]

How to Lead a Strategic Influence Campaign

Aaliyah is the Chief Sustainability Officer of a Fortune 500 company. Months into her job, however, she realizes that a better description of her role would be “cat herder.” She has no positional authority over the very senior stakeholders she needs to influence—and they all have different interests. In short, Aaliyah must embark on a […]

How to Successfully Onboard to Your New Executive Role

You’ve just been hired into a new, big role. How should you spend your time in those critical early months to set the stage for success? It’s a big question, because nearly half of all leadership transitions are seen as failures or disappointments after two years. The reasons? Most often, it’s an inability to adapt […]

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