https://mb.com.ph/2023/8/19/4-ncr-mayors-sign-good-governance-manifesto

These NCR mayors include Pasig City Mayor Vico Sotto, Quezon City Mayor Joy Belmonte, Marikina City Mayor Marcelino “Marcy” Teodoro, and Muntinlupa City Mayor Rozanno Rufino “Ruffy” Biazon.

The M4GG is described to be a “movement” composed of top local officials who seek to unite and serve the best interests of their communities, and fight against corruption in the country.