Michael Tiedemann
Chief Executive Officer at AlTi Global Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: AlTi Global Inc., 3 years.
Chief executive roles
Outstanding · grade A+
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 20% of the scoring weight is on file.
- Revenue growth 20%
- 100
49.1% a year in revenue
20% of the scoring weight is on file. Figures cover December 2022 – December 2025.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
AlTi Global Inc. June 16, 202594.0%
-
AlTi Global Inc. June 26, 202493.1%
-
AlTi Global Inc. June 29, 202399.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 15, 2026 | AlTi Global Inc. | Option exercise | +25,546 | — | — |
| Feb 15, 2026 | AlTi Global Inc. | Option exercise | +57,910 | — | — |
| Feb 15, 2026 | AlTi Global Inc. | Option exercise | +85,752 | — | — |
| Jun 3, 2025 | AlTi Global Inc. | Open-market sale | −42,199 | $3.47 | $146,430 |
| Feb 15, 2025 | AlTi Global Inc. | Option exercise | +25,546 | — | — |
| Feb 15, 2025 | AlTi Global Inc. | Option exercise | +57,910 | — | — |
| Sep 3, 2024 | AlTi Global Inc. | Gift | +13,975 | — | — |
| Jun 3, 2024 | AlTi Global Inc. | Open-market purchase | +22,721 | $4.87 | $110,651 |
| Jun 3, 2024 | AlTi Global Inc. | Open-market purchase | +24,652 | $4.86 | $119,809 |
| May 23, 2024 | AlTi Global Inc. | Open-market purchase | +20,000 | $4.52 | $90,400 |
| May 21, 2024 | AlTi Global Inc. | Open-market purchase | +22,296 | $4.39 | $97,879 |
| May 21, 2024 | AlTi Global Inc. | Open-market purchase | +21,072 | $4.41 | $92,928 |
| May 20, 2024 | AlTi Global Inc. | Open-market purchase | +20,000 | $4.55 | $91,000 |
| May 20, 2024 | AlTi Global Inc. | Open-market purchase | +20,000 | $4.53 | $90,600 |
| May 16, 2024 | AlTi Global Inc. | Open-market purchase | +60,000 | $4.66 | $279,600 |
Questions about Michael Tiedemann
What boards is Michael Tiedemann on?
Michael Tiedemann sits on the board of AlTi Global Inc.
Has Michael Tiedemann been a CEO?
Yes — Michael Tiedemann was CEO of AlTi Global Inc. (2023 – 2026).
How long has Michael Tiedemann served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.