Here are some of the key issues I would consider addressing in a suggestion letter to the Philippine president:

1. Poverty Reduction - The Philippines still has relatively high poverty rates, especially in rural areas. I would recommend programs to promote rural economic development through agriculture, tourism, small businesses and infrastructure investments. Providing social welfare programs, education and job skills training could also help lift people out of poverty.

2. Crime and Illegal Drugs - Crime and the illegal drug trade continue to plague the Philippines, undermining security and the rule of law. I would recommend a multi-pronged approach including strengthening law enforcement, investing in rehabilitation programs for drug users, and providing opportunities for at-risk youth to discourage them from criminal activity.

3. Education Reform - The Philippines needs to improve the quality of its education system to better prepare students for the future economy. I would propose investing more in teachers, upgrading school facilities and curriculum, expanding access to early childhood education and promoting STEM fields. Improving higher education could help produce more skilled workers.

4. Infrastructure Development - The Philippines needs to upgrade its infrastructure including roads, airports, railroads and utilities to boost economic growth and connectivity. I would recommend prioritizing key infrastructure projects and pursuing both public and private sector investments to fund development. This could help attract more businesses and investment to the country.

5. Promoting Environmental Sustainability - The Philippines is vulnerable to natural disasters and the impacts of climate change. I would propose measures like expanding use of renewable energy, supporting reforestation efforts, improving waste management and enforcing environmental regulations to promote a greener, more resilient Philippines.