David J. Callans active positions
| Companies | Position | Start | End |
|---|---|---|---|
Heart Rhythm Society
 Heart Rhythm Society Miscellaneous Commercial ServicesCommercial Services Heart Rhythm Society is a Non-Profit Organization which engages in cardiac pacing and electrophysiology. The company was founded by J. Warren Harthorne, Victor Parsonnet, Seymour Furman & Dryden Morse in 1979 and is headquartered in Washington, DC. | Director/Board Member | - | - |
Career history of David J. Callans
Statistics
International
| United States | 2 |
Operational
| Director/Board Member | 1 |
Sectoral
| Commercial Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Private companies | 1 |
|---|---|
Heart Rhythm Society
Heart Rhythm Society Miscellaneous Commercial ServicesCommercial Services Heart Rhythm Society is a Non-Profit Organization which engages in cardiac pacing and electrophysiology. The company was founded by J. Warren Harthorne, Victor Parsonnet, Seymour Furman & Dryden Morse in 1979 and is headquartered in Washington, DC. | Commercial Services |
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