| Title | Founder |
| Start Date | 1990-00-00 |
| Notes | He is the chairman of the Turner Foundation, founded in 1990, which supports efforts for improving air and water quality, developing a sustainable energy future to protect our climate, safeguarding environmental health, maintaining wildlife habitat protection, and developing practices and policies to curb population growth rates. Since its inception, the Turner Foundation has given more than $380 million to hundreds of organizations. |