Mark Douglas Cowan is named as a lobbyist on federal disclosure filings for 1 client through Potomac International Partners, Inc.. The most recent filing naming them posted in April 2026. Issues reported include Trade (domestic/foreign).
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| HANWHA Q CELLS AMERICA INC. | POTOMAC INTERNATIONAL PARTNERS, INC. | Q4 2025 | Trade (domestic/foreign) |
| Year | Clients | Registrants |
|---|---|---|
| 2025 | 1 | 1 |
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Mark Douglas Cowan. See the Capitol Clarity rankings and method.