Profile
William A.
Porter was the founder of E*TRADE Financial Corp.
(founded in 1982) where he held the title of Chairman-Emeritus from 1982 to 2005.
Mr. Porter is also the founder of Adirondack Trading Partners LLC.
He held the position of Director at International Securities Exchange, Inc. from 1997 to 2006.
He also held the position of Director at International Securities Exchange Holdings, Inc. Mr. Porter received his undergraduate degree from Adams State College (Colorado) and his graduate degree from Massachusetts Institute of Technology and the University of Kansas.
Former positions of William A. Porter
| Companies | Position | End |
|---|---|---|
| Adirondack Trading Partners LLC | Founder | 2015-10-14 |
International Securities Exchange Holdings, Inc.
 International Securities Exchange Holdings, Inc. Investment Banks/BrokersFinance International Securities Exchange Holdings, Inc. operates and regulates a registered national securities exchange. The company was founded in September 1997 and is headquartered in New York, NY. | Director/Board Member | 2007-05-07 |
| International Securities Exchange, Inc. | Director/Board Member | 2006-09-04 |
| E*TRADE FINANCIAL, LLC | Founder | 2004-12-31 |
Training of William A. Porter
| Massachusetts Institute of Technology | Graduate Degree |
| University of Kansas | Graduate Degree |
| Adams State College (Colorado) | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
E*TRADE Financial Corp.
 E*TRADE Financial Corp. Investment Banks/BrokersFinance E*TRADE Financial Corp. engages in the provision of investment and online stock brokerage services. It offers digital platforms and support to individual investors through phone, email, and online via two national financial centers, and in-person at regional financial centers. The company was founded by William A. Porter Jr. and Bernard A. Newcomb in 1982 and is headquartered in Arlington, VA. | Finance |
| International Securities Exchange, Inc. | Commercial Services |
| Adirondack Trading Partners LLC | |
International Securities Exchange Holdings, Inc.
International Securities Exchange Holdings, Inc. Investment Banks/BrokersFinance International Securities Exchange Holdings, Inc. operates and regulates a registered national securities exchange. The company was founded in September 1997 and is headquartered in New York, NY. | Finance |
- Stock Market
- Insiders
- William A. Porter
