Career history of William A. Porter
Former positions of William A. Porter
| Companies | Position | Start | End |
|---|---|---|---|
| Adirondack Trading Partners LLC | Chairman | 01/01/1997 | 18/05/2011 |
| Founder | 15/04/2011 | 15/10/2015 | |
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 | - | 08/05/2007 |
| International Securities Exchange, Inc. | Director/Board Member | 01/01/1997 | 05/09/2006 |
| E*TRADE FINANCIAL, LLC | Director/Board Member | 01/01/1982 | 01/01/2005 |
| Founder | 01/01/1982 | 01/01/2005 |
Training of William A. Porter
| Adams State College (Colorado) | Undergraduate Degree |
| Massachusetts Institute of Technology | Graduate Degree |
| University of Kansas | Graduate Degree |
Statistics
International
| United States | 8 |
Operational
| Director/Board Member | 3 |
| Founder | 2 |
| Graduate Degree | 2 |
Sectoral
| Finance | 4 |
| Consumer Services | 3 |
| Commercial Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
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 |
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