![David Stumpo](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>)
David Stumpo
Director/Board Member at
GATEKEEPER SYSTEMS INC.
Net worth: 88 000 $ as of 31/05/2026
Profile
David Stumpo is the founder of American Public Transit Exams Institute, established in 1993, serving as Chief Executive Officer.
Current jobs include Independent Director at Gatekeeper Systems, Inc. since 2017 and Executive Director at Southern California Regional Transit Training Consortium since 2004.
Former jobs include Chief Executive Officer at The Southeastern Pennsylvania Transportation Authority from 1976 to 1992, Director-Bus Maintenance at Dallas Area Rapid Transit from 1992 to 1995, Chief Operating Officer & Deputy Director at San Francisco Municipal Railway from 1995 to 1999, President & Chief Executive Officer at Coast Mountain Bus Co. Ltd. from 1999 to 2002, and Associate Professor at the University of Phoenix.
Education includes graduate studies at LaSalle University and undergraduate studies at The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 18/08/2025 | 100,000 ( 0.09% ) | 88 000 $ | 31/05/2026 |
David Stumpo active positions
| Companies | Position | Start |
|---|---|---|
| GATEKEEPER SYSTEMS INC. | Director/Board Member | 28/11/2017 |
Southern California Regional Transit Training Consortium
 Southern California Regional Transit Training Consortium Miscellaneous Commercial ServicesCommercial Services Provides training for the public transit industry | Director/Board Member | 01/01/2004 |
American Public Transit Exams Institute | Chief Executive Officer | 01/01/1993 |
Former positions of David Stumpo
| Companies | Position | End |
|---|---|---|
Coast Mountain Bus Co. Ltd.
 Coast Mountain Bus Co. Ltd. Other TransportationTransportation Operates as a conventional and community shuttle buses, zero-emission trolley buses and passenger ferry sea buses | Chief Executive Officer | 01/01/2002 |
San Francisco Municipal Railway | Chief Operating Officer | 01/01/1999 |
Dallas Area Rapid Transit
 Dallas Area Rapid Transit Other TransportationTransportation Provides public transportation services | Corporate Officer/Principal | 01/01/1995 |
The Southeastern Pennsylvania Transportation Authority
 The Southeastern Pennsylvania Transportation Authority General GovernmentGovernment Provides public transportation services | Chief Executive Officer | 01/01/1992 |
University of Phoenix
 University of Phoenix Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Training of David Stumpo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
10
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
LaSalle University
 LaSalle University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Phoenix
University of Phoenix Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Southeastern Pennsylvania Transportation Authority
The Southeastern Pennsylvania Transportation Authority General GovernmentGovernment Provides public transportation services | Government |
Dallas Area Rapid Transit
Dallas Area Rapid Transit Other TransportationTransportation Provides public transportation services | Transportation |
San Francisco Municipal Railway | |
Coast Mountain Bus Co. Ltd.
Coast Mountain Bus Co. Ltd. Other TransportationTransportation Operates as a conventional and community shuttle buses, zero-emission trolley buses and passenger ferry sea buses | Transportation |
Gatekeeper Systems, Inc.
 Gatekeeper Systems, Inc. Telecommunications EquipmentElectronic Technology Develops, manufactures, markets and sells high resolution mobile surveillance camera systems | Electronic Technology |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Southern California Regional Transit Training Consortium
Southern California Regional Transit Training Consortium Miscellaneous Commercial ServicesCommercial Services Provides training for the public transit industry | Commercial Services |
American Public Transit Exams Institute |
- Stock Market
- Insiders
- David Stumpo
