[2][3] He is the great-grandson of Italian immigrants on his father's side, and his mother is a Polish Jew who was born to parents who had met each other in a concentration camp.

[5] In October 2019, the Donald Trump 2020 presidential campaign named Testa, along with State Senate Minority Whip Joseph Pennacchio, as New Jersey co-chairs for the president's re-election bid.

He, alongside Testa and McClellan, ousted the 1st District's legislators, Senator Bob Andrzejczak (who had been appointed to fill Van Drew's seat) and Assemblymen R. Bruce Land and Matthew W.

[11] Committee assignments for the 2024-2025 session are:[2] In November 2023, records regarding the sale of a Vineland, New Jersey property, 1615 W. Garden Road, were subpoenaed by federal investigators.

The Vineland Industrial Commission sold the plot to four limited liability companies that flipped the vacant lot, one of them being Nova Investments, of which Testa is a beneficiary.