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Welcome to Chief Sphere, the nexus for the passionate, the dedicated, and the strategic minds who navigate the complex role of Chief of Staff (CoS).


At Chief Sphere, we understand the unique challenges and incredible opportunities that come with the role. We are strategists, confidante, problem-solvers and change leaders - uniquely positioned to drive impact. The role is demanding, yes, but it's also a fantastic springboard for those with ambition and vision.

Our Founder

Chief Sphere is the brainchild of our founder, Palma Bordan currently serving as Chief of Staff to the CEO and co-founder of a fast-growth, award-winning Silicon Valley company.  

Before stepping into this role, Palma honed her skills as a management consultant, and worked in close partnership with the C-suite on dozens of projects delivering lasting results. She has an intimate knowledge of what executives need and how organizations of all sizes can excel, scale, and build robust operations.


Palma holds a Bachelor's and Master's degree in Economics, an MBA with dual concentration in Finance and Strategy, and is a CFA Charterholder, solidifying her position as a thought leader in the industry. But more than her impressive credentials, it is her passion for the CoS role and her commitment to empowering others to thrive in it that makes her the heart and soul of Chief Sphere.

Our Mission

Our mission is simple: to enable you to thrive in the CoS role. We aim to help you transition smoothly from a tactical to a strategic mindset, build effective relationships with key stakeholders, and become an indispensable asset to your organization.

Our Community

We offer a vibrant community of like-minded professionals. This is a tribe where you can connect, learn, and grow together. We believe in the power of shared experiences and mutual support, and our community is a testament to this ethos. From insightful discussions to collaborative problem-solving, you'll find that you're not alone on your journey. We encourage our members to share resources, exchange tips and tricks, and pass along career opportunities. Our community is just like life, you get out of it what you put in. 

Join Us

Join Chief Sphere and embark on an enriching journey towards becoming an outstanding Chief of Staff. Whether you're a seasoned CoS looking to further develop your skills, an executive aiming to maximize the impact of your CoS, or an aspiring CoS preparing for the role, Chief Sphere is here to support you.

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