Marissa Serafino is named as a lobbyist on federal disclosure filings for 15 clients through Holland & Knight LLP. The most recent filing naming them posted in November 2026. Issues reported include Science/Technology, Budget/Appropriations, Manufacturing and Consumer Issues/Safety/Products.
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| LGNDX INC. | HOLLAND & KNIGHT LLP | Q4 2026 | Defense |
| THE CHEMOURS COMPANY | HOLLAND & KNIGHT LLP | Q3 2026 | Manufacturing |
| OKLO INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Taxation/Internal Revenue Code, Energy/Nuclear |
| NETRISE, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Science/Technology, Defense, Homeland Security |
| HIDDENLAYER, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Science/Technology, Defense, Consumer Issues/Safety/Products |
| ABRIDGE AI, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Medicare/Medicaid, Health Issues |
| INNOVAS INDIANA LLC | HOLLAND & KNIGHT LLP | Q3 2026 | Defense, Budget/Appropriations |
| KODEX, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Science/Technology, Law Enforcement/Crime/Criminal Justice, Intelligence |
| CENTER FOR HUMANE TECHNOLOGY | HOLLAND & KNIGHT LLP | Q3 2026 | Consumer Issues/Safety/Products, Computer Industry |
| VERISIGN, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Telecommunications, Science/Technology |
| QNITY ELECTRONICS, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Science/Technology, Taxation/Internal Revenue Code, Trade (domestic/foreign) |
| ENTEGRIS, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Taxation/Internal Revenue Code, Computer Industry, Copyright/Patent/Trademark |
| WIKIMEDIA FOUNDATION, INC. | HOLLAND & KNIGHT LLP | Q3 2026 | Science/Technology |
| THOMSON REUTERS | HOLLAND & KNIGHT LLP | Q2 2026 | Media (information/publishing) |
| DUPONT DE NEMOURS, INC. | HOLLAND & KNIGHT LLP | Q4 2025 | Science/Technology, Taxation/Internal Revenue Code, Manufacturing |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 13 | 1 |
| 2025 | 9 | 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 Marissa Serafino. See the Capitol Clarity rankings and method.