WEST HAVEN — The former executive director of the West Haven Housing Authority pleaded guilty on Thursday to receiving $1.5 million in bribes in a federal courtroom in Hartford Thursday, according to the U.S. Attorney's Office.

Michael Siwek, 55, of North Haven, waived his right to indictment and pleaded guilty to the bribery and tax related charges Thursday and agreed to pay more than $1.5 million in restitution and an additional $363,781 in back taxes, penalties and interest, the office said in a news release.

From 2007 to 2012, Siwek received more than $1.5 million from businesses and individuals in exchange for awarding them West Haven housing authority contracts, which Siwek controlled, the release said. Siwek did not report the money to the IRS and filed false tax returns to hide the money, the release said.

Siwek pleaded guilty to one count of conspiracy to commit bribery in connection with a program receiving federal funds, one count of bribery and one count of tax evasion, the release said. Altogether, the charges carry a maximum prison sentence of 25 years.

Siwek's sentencing date has not been set.

Henry Miconi pleaded guilty to giving hundreds of thousands of dollars in bribes to Siwek on Nov. 6, 2013. His sentencing date has also not been set.