Become a more thoughtful,
effective and decisive leader

We bring bold new thinking and confidence to the professional, organizational and personal journeys of CEOs, executives and their teams

Become a more thoughtful, effective and decisive leader

Unleash your extraordinary

We equip leaders with the guidance, self-knowledge and practical advice they need to take their business—and their future—to extraordinary new heights of performance and teamwork.

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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.

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Eric is in the top 1% of executive coaches I’ve worked with globally. There are few professionals that are such a joy to work with – and even fewer that are also incredibly talented and impactful. Leaders at our organization request him by name because of his talent for helping bring about real, necessary change.

RACHEL BARAK
MANAGER, EXECUTIVE COACHING PROGRAM
GOOGLE

Growth through trust

Experience a holistic approach to leadership that addresses the full spectrum of your life. We create a confidential, judgment-free environment where you can lower your guard, wrestle freely with your biggest challenges and uncover the practical insights you need to lead, communicate and live with clarity and purpose.

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I couldn’t be happier with Eric as my coach. He pushes me to be more reflective, to act on feedback from colleagues, and to keep a disciplined focus on growth. A calm, thoughtful expert and skilled listener, Eric asks smart questions and brings an experienced perspective. His sophisticated, informed approach is clearly differentiated for the C-Suite.

ANDREW DICKINSON
CFO
GILEAD SCIENCES

Our latest insights

How to Grow In Your Current Leadership Role

Companies are making big investments in AI, but they’ve become more thrifty about people. That’s not a coincidence: since the launch of ChatGPT, we’ve seen a steady stream of highly visible layoffs, quiet trimming, and voluntary severance programs. In the age of AI, some companies that previously emphasized topline revenue have started to develop greater […]

Leading Change in the Age of AI

A technology executive recently said to me, “What we’re going through right now is like the industrial revolution. But instead of taking 100 years, it’s going to happen in 10 years.” Another shared that given the rate of change in AI, decisions that used to be made in months are now being made in weeks—or […]

The Power of Influence: Increase Your Confidence and Persuasion

In my last post, I looked at the importance of connection and inspiration. Today, let’s look at how great leaders actively manage their level of confidence and use all the tools of persuasive communication.  Manage your self-confidence. Leaders who feel confident within themselves are more likely to engage others, speak out, and take the risks […]

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Eric has given so much to Waymo 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.

John Krafcik, CEO Waymo (2015-21)
Alphabet’s Autonomous Driving Company