# HEISING, Mark William, Mr.

## Details

- **Born:** 2/1957
- **Nationality:** American
- **Appointments:** 1 (0 active)
- **Control:** 0 holdings


## Appointments

| Company | Role | Appointed | Resigned |
|---|---|---|---|
| [Environmental Defense Fund UK](/company/09217493) | director | 27 Jan 2022 | 30 Sep 2024 |