Join Mosaic
a (free) peer community for Chiefs of Staff

Mosaic is a free, Slack-based community for current and aspiring Chiefs of Staff who want to develop their craft alongside peers, share real-world challenges, and grow as leaders in the role.

Fill out the form below to join a 1 month beta launch of Mosaic. We're looking for a small number of leaders and problem solvers to try this community and give us feedback on it.

βœ…  What Mosaic is

β–Ό
  • A free community of & for chiefs of staff who want to develop their craft within a community of peers.
  • A space for honest peer learning and problem-solving.
  • A network for sharing frameworks, templates, and real-world challenges.
  • A place to find mentorship and give back to others in the role.

🚫  What Mosaic is not

β–Ό
  • A passive networking group – engagement and contribution are expected
  • A place for vendor solicitation or lead generation
  • A job board or recruiting platform

πŸŽ‰  Who should join

β–Ό
  • Current chiefs of staff (or similar role with strategic, cross-functional, & special project responsibility)
  • Former chiefs of staff who want to stay connected to the craft
  • Those seeking to transition into a chief of staff role within the next 12 months

πŸ“š  Professional Development

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At the end of the beta period, Mosaic members will be invited to a full-day professional development experience focused on the skills that matter most for Chiefs of Staff. After this session, you will be able to:

  • Apply systems thinking to diagnose organizational interdependencies and identify high-leverage intervention points
  • Use human-centered design principles to structure initiatives that earn buy-in across stakeholders
  • Lead with greater confidence in ambiguous, high-stakes situations where you lack positional authority

πŸ“‹  Logistics

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We will welcome a small number of members into the month-long beta that begins on March 5. We will be scanning those interested in joining the beta for a group that is broadly representative in a variety of ways: size of company, industry, career stage, and more.

Anyone who we're not able to bring into the beta will be invited ahead of a broader launch after the trial.

Your Information
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Experience
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Choose your role(s) in the Mosaic Community *

Every team has players who know their role and play it well. As a community, Mosaic is no different.

Polymath University will be providing programming and resources for Mosaic members, but this community will work best when members can learn from each other. There is no cost to be a member (and we have no plans to charge in the future) but we do ask you to be engaged especially in this beta trial period. Please pick a role below that indicates how you would like to contribute to the Mosaic community over the next month.

Open to all backgrounds
Ideal for those without CoS experience β€” Directors of Strategy, Biz Ops Managers, Consultants, PMs, Senior EAs, or similar.
Moderator Help facilitate a zoom or slack-based discussion relevant to Chiefs of Staff
Organizer Help coordinate and share events within the community (get the word out, light event logistics)
Curator Share current and relevant news on strategy, leadership, and organizational culture
Best with CoS experience
Currently in a CoS role, or a post-CoS role like VP of Ops, VP of Strategy, COO, GM, Founder, Partner, or similar.
Mentor Share your experience 1:1 with another Mosaic member
Speaker Share an experience that helped you learn or grow in a community webinar or lunch & learn
Contributor Share resources or templates that helped you succeed in your current or previous role
Optional