Join Chiefs of Staff from the world's most innovative companies
Attend Exclusive Events
We host frequent, interactive events to connect you with fellow members for mentorship, problem solving, and forging connections in what can otherwise be a solitary journey.
22+
Cities represented in 2025
65+
In-person events hosted in 2025
1000+
Connections facilitated at events in 2025
CoS Roundtables - Leadership in Transformation
Join exclusive, interactive forums designed for peer mentorship, strategic reflection, and executive growth. Our Braintrusts bring together Chiefs of Staff navigating complex transformations to exchange lessons, frameworks, and trusted advice.
An invaluable network offering impactful connections and a vast pool of knowledge. The ultimate brain trust for a generalist looking to learn and grow.
Chief of Staff at Hudson Valley Property Group
Lightning Talks & Executive Panels
Engage in dynamic sessions featuring senior operators and industry leaders driving company-defining change. Gain actionable insights, sharpen your strategic perspective, and connect with peers tackling the most critical challenges in leadership and execution.
CoSN bridges IRL and virtual community like no other group I've ever been a part of. I consistently learn and feel connected from every interaction in the group.
Chief of Staff at Girdley Enterprises, Inc.
Meetups & Mixers — Conversations That Matter
Build trusted relationships in intimate, off-the-record settings with peers who understand your role. From regional meetups to focused roundtables, exchange hard-won lessons, problem-solve live challenges, and expand your circle of influence across industries.
Chiefs of Staff often operate as a one-person department with limited access to peers. The Chief of Staff Network is an incredible community to find like-minded individuals to brainstorm and problem solve with.
Chief of Staff at Gainsight
Virtual Webinars — Insights That Scale
Learn directly from experts and experienced operators through live and on-demand sessions. Each webinar delivers practical tools, proven frameworks, and case studies that help you lead cross-functional initiatives, drive alignment, and scale your organization’s impact.
As a Chief of Staff, I constantly wear many hats, and being a member of the Chief of Staff Network has been invaluable. The resources they provide—like templates and decks—have been essential tools in helping me navigate the diverse aspects of my role.
Chief of Staff at Nexla
We host frequent, interactive events to connect you with fellow members for mentorship, problem solving,
View Upcoming Events02
COSC - Chief Of Staff Connect
We host frequent, interactive events to connect you with fellow members for mentorship, problem solving, and forging connections in what can otherwise be a solitary journey.
NEW YORK
OCTOBER 23-24 | TIMES SQUARE , NY
SAN FRANCISCO
OCTOBER 23-24 | TIMES SQUARE , NY
EUROPE
NOVEMBER 19 | LONDON, UK
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Core Programs for Chiefs of Staff
World-class certifications designed to advance your strategic and operational leadership through structured, cohort-based learning experiences.
Chief of Staff Launchpad
Land the Chief of Staff role and hit the ground running. This 6-week cohort certification equips aspiring and first-time CoS with the frameworks, judgment, and confidence to excel from day one.
*50% discount for annual/lifetime PRO Members
*50% discount for annual/lifetime PRO Members
Chief of AI Fellowship
Turn AI from buzzword into business advantage. This 4-week applied program teaches Chiefs of Staff how to build AI strategy, lead adoption, and create a board-ready AI roadmap.
*Included with PRO Membership
*Included with PRO Membership
Chief of Staff Power Skills
Master the human skills AI can't replace. Develop the strategic influence, executive communication, and change leadership that separate high-impact Chiefs of Staff from the rest.
*Included with PRO Membership
*Included with PRO Membership
I have thought carefully about where to invest my time and money. I put my Harvard Masters on hold in order to be more involved in the Chief of Staff Network.
Alex Morgan
Chief of Staff @ MMA Global
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Virtual Community – Real Connections. Real Time.
Join a curated Slack network of hundreds of Chiefs of Staff from leading startups to Fortune 500 companies. Exchange insights, share playbooks, and problem-solve in real time with leaders who understand your challenges. Whether you’re scaling operations or managing executive alignment, this is your always-on peer advisory board.
Praise From Members
Within our exclusive community, you'll get personalized solutions to your business challenges, straight from seasoned Chiefs of Staff who've excelled at Microsoft, Lattice, Carta, and more!
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Who we are / Our Values
We empower Chiefs of Staff to thrive by providing the resources, mentorship, and community needed to excel. Guided by collaboration, belonging, and growth, our mission is to accelerate careers and foster leadership excellence.
By creating opportunities to learn, connect, and share, we aim to build a global network of professionals driving meaningful impact for their organizations and beyond.
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Diverse Paths, One Destination: Leadership
Our members come from a wide range of backgrounds—operators, strategists, and first-time Chiefs of Staff—united by a commitment to driving impact.
Through events, networking, and tailored programs, we empower every step of their journey to success.
Through events, networking, and tailored programs, we empower every step of their journey to success.
Head of BizOps & Strategy,
Tellius
Tellius
Consultant turned Chief of Staff
Abhi Panigrahi transitioned from consulting at KPMG Innovation Labs to a senior Chief of Staff role, demonstrating his ability to drive strategy and operational excellence. He utilizes his expertise in analytics and AI to empower data-driven decision-making and accelerate organizational growth.
Community Participation & Outcomes
- Active member of the San Francisco chapter of the COS Network, regularly attending local events and connecting with peers.
- Expanded his professional network with influential Chiefs of Staff and thought leaders in the field.
Chief of Staff, GrowthLoop
Operator turned Chief of Staff
Lauren Stein serves as Chief of Staff at GrowthLoop, a leading platform for data-driven marketing. She oversees strategic planning, business goal execution, and team development while aligning company objectives with product value delivery.
Community Participation & Outcomes
- Participated actively in the NY Chief of Staff BrainTrust, contributing to meaningful discussions.
- Continuously engages with peers in the CoS Slack community.
- Built a robust network of Chiefs of Staff, gaining valuable perspectives to enhance her role and strategies at GrowthLoop.
fmr. Chief of Staff,
Northwestern Mutual
Northwestern Mutual
Multi-time CoS
As a strategic planning and operations executive, Eleazar Orellana has managed $500M+ budgets, achieved $1B+ in revenue and cost savings, and driven transformative initiatives at Fortune 500 companies, including Amazon, eBay, Visa, and AWS.
Community Participation & Outcomes
- Delivered an impactful talk at the Chief of Staff Connect conference, sharing expertise on strategic execution and operational alignment.
- Enhanced his visibility and influence as a leader in strategy and operations through speaking opportunities and engagement.
Chief of Staff, Bicycle Capital
EA turned Chief of Staff
Stephania Greco transitioned from her role as Executive Assistant at SoftBank Group International to Chief of Staff at Bicycle Capital. With over 13 years of experience in media communications, and event production, she now supports the CEO and partners in executing strategic goals.
Community Participation & Outcomes
- Shared valuable advice with the community at Chief of Staff Connect on excelling as a Chief of Staff, including prioritization, building strong relationships with executives, and focusing on team success.
- Gained actionable strategies to elevate her role as Chief of Staff, applying them to improve team performance.
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CEO of TEYS
“Susan is a former leading AI researcher with numerous publications in the field. He is known for his groundbreaking work in machine learning and natural language processing.”
Brand New Chief of Staff
- Fundamentals Track
- In-person event
- Get up to speed
- Build your personal network
- What can you achieve in 90 days
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CEO of TEYS
“Susan is a former leading AI researcher with numerous publications in the field. He is known for his groundbreaking work in machine learning and natural language processing.”
EA Hybrid
- Advocating for themselves
- Trying to move away from EA responsibilities
- Thinking about hiring to backfill
- Setting boundaries
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CEO of TEYS
“Susan is a former leading AI researcher with numerous publications in the field. He is known for his groundbreaking work in machine learning and natural language processing.”
Brand New Chief of Staff
- Fundamentals Track
- In-person event
- Get up to speed
- Build your personal network
- What can you achieve in 90 days
.avif)
CEO of TEYS
“Susan is a former leading AI researcher with numerous publications in the field. He is known for his groundbreaking work in machine learning and natural language processing.”
Brand New Chief of Staff
- Fundamentals Track
- In-person event
- Get up to speed
- Build your personal network
- What can you achieve in 90 days
900+
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