Notable personal detailsMark A. Douglas is a Democratic candidate for the U.S. House in Florida’s 20th Congressional District in the 2026 election cycle. He filed an FEC Form 2 Statement of Candidacy on 2025-12-11 and designated “Mark Douglas for Congress” as his principal campaign committee. He is associated with Mark A. Douglas, P.A., a Fort Lauderdale-area law firm based in Lauderdale Lakes, Florida.