Wilmer was the CEO & Founder of Leaders Working, a non-profit organization that aimed to help low-income students nationwide get into top colleges and become leaders in their community. At Leaders Working, Wilmer devised a 1-on-1 mentoring program that combined resource accessibility, community engagement, and comprehensive mentoring that starts in high school continued through college and lasts a lifetime. Alongside Leaders Working, Wilmer served on the National Board of the Quest Scholars Network where he worked to create an unwavering network of support for thousands of low-income students.