Rank

Name

Background

2001-2005

Given or pledged

MILLIONS

Estimated Lifetime Giving*

MILLIONS

Remaining Net Worth**

MILLIONS

Giving as a % of Net Worth***

1

Gordon and Betty Moore

Intel co-founder

7,046

7,300

4,600

159

2

Bill and Melinda Gates

Microsoft co-founder

5,458

27,976

51,000

55

3

Warren Buffett

Berkshire Hathaway CEO 

2,622

2,730

40,000

7

4

George Soros

Investor

2,367

5,401

7,200

75

5

Eli and Edythe Broad

SunAmerica, KB Home founder

1,475

1,820

5,500

33

6

James and Virginia Stowers

American Century founder

1,205

1,575

716

220

7

Walton Family

Family of Wal-Mart founder

1,100

1,350

82,700

2

8

Alfred Mann

Medical devices

993

1,500

2,100

71

9

Michael and Susan Dell

Dell founder

933

1,230

18,000

7

10

George Kaiser

Oil and gas, banking, real estate

617

723

4,500

16

11

John Templeton

Investor

562

1,000

2,000

50

12

Ruth Lilly

Eli Lilly heiress

560

760

210

362

13

Michael Bloomberg

Bloomberg founder, NYC mayor

528

733

5,100

14

14

Veronica Atkins

Widow of Dr. Robert Atkins

500

500

50

1,000

15

Jeff Skoll

Founding president of eBay

489

567

3,500

16

16

Ted Turner

CNN founder

457

1,240

2,000

62

17

Kirk Kerkorian

Investor

453

687

10,000

7

18

Donald Bren

Real estate

447

457

5,700

8

19

Pierre and Pam Omidyar

eBay chairman, founder

433

523

10,200

5

20

Patrick and Lore Harp McGovern

IDG founder

370

386

2,000

19

21

Sidney Kimmel

Jones Apparel chairman

352

495

750

66

22

Irwin and Joan Jacobs

Qualcomm co-founder

339

490

1,700

29

23

Bernard Marcus

Home Depot co-founder

311

590

2,200

27

24

Robert Meyerhoff

Real estate developer

304

305

NA

NA

25

Paul Allen

Microsoft co-founder

291

988

22,500

4

26

Thomas Monaghan

Domino’s Pizza founder

284

451