Kevin C. Dinnin serves as President and CEO of FirstDay Foundation, one of the largest philanthropic entities in Texas. With 40 years of leadership in executive roles in tax-exempt organizations in Texas and San Antonio, as well as voluntary service on local, state, and national government boards, committees and nonprofits, he has dedicated his career to various humanitarian efforts, strengthening and scaling their impact nationally and across the globe.

FirstDay Foundation provides charitable grants to organizations that are leading, developing and strengthening life-changing health and human services around the globe.

In 2025 FirstDay Foundation awarded over 20 million dollars in grants; Making Good, Greater.