A psychiatrist by profession, Loi was dubbed First Lady ng Masa (First Lady of the Masses) and Doktora ng Masa (Doctor of the masses) because of her medical and outreach missions during her term.

After her husband was deposed in the EDSA Revolution of 2001, she ran as a candidate of the opposition for a seat in Senate.
She won, and served in the 12th and the 13th Congress, making her the first First Lady to win a seat in the Senate.

During her tenure (2001–2007), she authored 121 bills and 13 resolutions, some of which have already been enacted into law: R.A. No.
9241, The National Health Insurance Program; R.A. No.
9211, The No Smoking Act; , The Film Development Council of the Philippines, R.A. No.
9165, The Comprehensive Dangerous Drugs Act; and , The Clean Water Act.
A psychiatrist by profession, Loi was dubbed First Lady ng Masa (First Lady of the Masses) and Doktora ng Masa (Doctor of the masses) because of her medical and outreach missions during her term.
After her husband was deposed in the EDSA Revolution of 2001, she ran as a candidate of the opposition for a seat in Senate. She won, and served in the 12th and the 13th Congress, making her the first First Lady to win a seat in the Senate.
During her tenure (2001–2007), she authored 121 bills and 13 resolutions, some of which have already been enacted into law: R.A. No. 9241, The National Health Insurance Program; R.A. No. 9211, The No Smoking Act; , The Film Development Council of the Philippines, R.A. No. 9165, The Comprehensive Dangerous Drugs Act; and , The Clean Water Act.
Loi Ejercito