About the platform
A board search platform built to present senior leadership experience with more nuance, more context, and more discretion.
Founder
Meet Marianne Macdonald
Marianne Macdonald is the founder and CEO of The 350 Club, the closed platform enabling global board members and senior leaders to connect and collaborate privately. The Club has board and executive committee members from 97% of the FTSE 100 index, and board members from 90% of the FTSE 250 index, 10% of the S&P 100 index, 22% of the Euronext, 23% of the CAC 40, 5% of the BEL 20, 15% of the DAX 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 companies.
Marianne has spent 20 years in the board space, including seven years in the board practice of The Zygos Partnership, which was the leading UK board search firm in the non-executive space prior to its sale to Russell Reynolds.
In her earlier career she was an award winning broadsheet journalist. She has a First in English from New College, Oxford and lives in London.
Profile upkeep
Automatic board activity updates
Member profiles are updated via weekly reporting to reflect live appointments.
Search experience
Search partners get the context they need to assess scale and fit
The platform supports direct assessment of relevance, current capacity, and mandate fit.
Next step
Apply to join the directory
If your experience is aligned with the platform’s search audience, the application takes two short steps