![Colin Deller](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Colin Deller
Chief Executive Officer at
CLEARSIGN TECHNOLOGIES CORPORATION
Net worth: 115 480 $ as of 30/06/2026
Profile
Colin James Deller is Chief Executive Officer & Director at ClearSign Technologies Corp.
since 2019.
Formerly, Dr. Deller was Chief Combustion Engineer & Manager at Callidus Technologies LLC from 1996 to 2010.
Education includes an MBA from the University of London and a doctorate from the University of Portsmouth.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 13/04/2026 | 31,466 ( 0.51% ) | 115 480 $ | 30/06/2026 |
Colin Deller active positions
| Companies | Position | Start |
|---|---|---|
| CLEARSIGN TECHNOLOGIES CORPORATION | Chief Executive Officer | 01/04/2019 |
Former positions of Colin Deller
| Companies | Position | End |
|---|---|---|
Callidus Technologies LLC
 Callidus Technologies LLC Industrial MachineryProducer Manufacturing Manufactures low-emission burners, flares and incinerators | Corporate Officer/Principal | - |
Training of Colin Deller
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
4
1st degree connections
4
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
ClearSign Technologies Corp.
 ClearSign Technologies Corp. Industrial MachineryProducer Manufacturing Operates as a development stage company that designs and develops technologies for combustion systems | Producer Manufacturing |
Callidus Technologies LLC
Callidus Technologies LLC Industrial MachineryProducer Manufacturing Manufactures low-emission burners, flares and incinerators | Producer Manufacturing |
University of London
 University of London Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Portsmouth
 University of Portsmouth Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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