Erich Tengelsen active positions
| Companies | Position | Start | End |
|---|---|---|---|
Ridgeline Ventures
 Ridgeline Ventures Investment ManagersFinance Ridgeline Ventures (Ridgeline Ventures) is a venture capital firm founded in 2013 by Tao Huang and Erich Tengelsen. The firm is headquartered in Boulder, Colorado. | Founder | 31/12/2012 | - |
| Private Equity Investor | 31/12/2012 | - |
Career history of Erich Tengelsen
Former positions of Erich Tengelsen
| Companies | Position | Start | End |
|---|---|---|---|
CTC LLC
 CTC LLC Investment Banks/BrokersFinance Founded in 1995, CTC LLC is a brokerage firm headquartered in Chicago, Illinois. The firm is also known as Chicago Trading Co. They are a proprietary market making firm and are recognized internationally as a leading provider of pricing and liquidity on all U.S. derivatives exchanges. The firm provides an array of trading and execution services for their clients. They do not provide any internal research. | Chief Executive Officer | - | - |
| Founder | - | - | |
The Pro's Closet, Inc.
 The Pro's Closet, Inc. Specialty StoresRetail Trade The Pro's Closet, Inc. operates as an e-commerce brand for pre-owned bikes. It offers frames, wheels, components, accessories, and apparel. The company was founded by Nick Martin in 2006 and is headquartered in Boulder, CO. | Director/Board Member | - | - |
Statistics
International
| United States | 4 |
Operational
| Founder | 2 |
| Director/Board Member | 1 |
| Private Equity Investor | 1 |
Sectoral
| Finance | 3 |
| Retail Trade | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Private companies | 3 |
|---|---|
CTC LLC
CTC LLC Investment Banks/BrokersFinance Founded in 1995, CTC LLC is a brokerage firm headquartered in Chicago, Illinois. The firm is also known as Chicago Trading Co. They are a proprietary market making firm and are recognized internationally as a leading provider of pricing and liquidity on all U.S. derivatives exchanges. The firm provides an array of trading and execution services for their clients. They do not provide any internal research. | Finance |
Ridgeline Ventures
Ridgeline Ventures Investment ManagersFinance Ridgeline Ventures (Ridgeline Ventures) is a venture capital firm founded in 2013 by Tao Huang and Erich Tengelsen. The firm is headquartered in Boulder, Colorado. | Finance |
The Pro's Closet, Inc.
The Pro's Closet, Inc. Specialty StoresRetail Trade The Pro's Closet, Inc. operates as an e-commerce brand for pre-owned bikes. It offers frames, wheels, components, accessories, and apparel. The company was founded by Nick Martin in 2006 and is headquartered in Boulder, CO. | Retail Trade |
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