John Kostoyannis
Director/Board Member at STEALTHGAS INC.
Net worth: 57 176 $ as of 31/03/2024
Profile
John G.
Kostoyannis currently works at StealthGas, Inc., as Independent Director from 2010, Allied Shipbrokinc, Inc., as Managing Director & Director from 2001, Imperial Petroleum, Inc., as Independent Director from 2021, C3is, Inc., as Non-Executive Director, and Hellenic Shipbrokers Association, as Member.
Mr. Kostoyannis received his undergraduate degree in 1988 from London Guildhall University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
IMPERIAL PETROLEUM, INC.
0.10% | 01/04/2024 | 16,469 ( 0.10% ) | 51 548 $ | 31/03/2024 |
| 01/04/2024 | 235 ( 0.03% ) | 5 628 $ | 31/03/2024 |
John Kostoyannis active positions
| Companies | Position | Start |
|---|---|---|
| STEALTHGAS INC. | Director/Board Member | 01/10/2010 |
| IMPERIAL PETROLEUM INC. | Director/Board Member | 01/11/2021 |
| C3IS INC. | Director/Board Member | - |
Allied Shipbrokinc, Inc.
 Allied Shipbrokinc, Inc. Marine ShippingTransportation Allied Shipbrokinc, Inc. is a shipbroking private company based in Attica, Greece. The Greek company was established on August 8th, 1988 by a partnership of experienced shipbrokers. Allied specializes in shipbroking services. John G. Kostoyannis has been the CEO of the company since 1991. | Chief Executive Officer | 01/01/1991 |
| Hellenic Shipbrokers Association | Corporate Officer/Principal | - |
Training of John Kostoyannis
| London Guildhall University | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 2 |
|---|---|
| STEALTHGAS INC. | Transportation |
| C3IS INC. | Transportation |
| Private companies | 3 |
|---|---|
Allied Shipbrokinc, Inc.
Allied Shipbrokinc, Inc. Marine ShippingTransportation Allied Shipbrokinc, Inc. is a shipbroking private company based in Attica, Greece. The Greek company was established on August 8th, 1988 by a partnership of experienced shipbrokers. Allied specializes in shipbroking services. John G. Kostoyannis has been the CEO of the company since 1991. | Transportation |
| Hellenic Shipbrokers Association | |
| Imperial Petroleum, Inc. |
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