About the 350 Club

A closed community for the most senior board members and leaders

The 350 Club is the closed community for board members and leaders of the largest global companies, enabling them to meet and message privately, share learnings and progress board careers. It has more than 1,250 members, with board and executive committee members from 97% of the FTSE 100, and board members from 90% of the FTSE 250, as well as leaders of some of the largest privately held groups. 

The Club community also includes many members based outside the UK, with board representation from 23% of the CAC 40, 22% of the Euronext 100, 15% of the DAX, 10% of the S&P 100, 5% of the BEL 20 and 3% of the Hang Seng. This global reach reflects the Club’s role as a trusted and valued community for senior leaders of the world’s most significant listed and private companies.

Membership comes at no charge for eligible individuals. The Club was created to enable its members to more easily be able to compare notes and learnings about shared concerns across sector. It is a highly unusual community, both for its reach and seniority and for its privacy. 

Founded in 2020 by Marianne Macdonald, a former board headhunter at The Zygos Partnership, as well as allowing its members to share learnings across sector it also connects members with each other, to leading board headhunters, and the best selection of commercial NED opportunities. The Club is not a recruitment platform but a private professional community which actively supports the headhunter ecosystem to members’ benefit. It operates under the Chatham House rule, and has no solicitation or advertising.

The Club also works with FTSE 350 organisations to support the board and non-executive readiness of their leaders, drawing on its sister platforms and exceptional board and partner network. These programmes help equip senior executives with the insight, relationships, and confidence required to step into board roles effectively from day one. Browse our pages here to read about Club events and partnerships, and please email us at [email protected] if you have any questions prior to applying.