A native of Indianapolis, Walker graduated from Lawrence North High School and earned a Bachelor of Science degree in business management from Indiana Wesleyan University in 2005.

[5] He authored several bills to improve public safety, including legislation to strengthen electronic monitoring of offenders so they can't go on to commit additional crimes.

[17] The bill also allows foster families to visit state parks at no cost, an idea proposed by a Girl Scout troop in Senate District 31.

[18] That same year, Walker authored a bill that directed the Statewide 911 Board to conduct a feasibility study on ways to improve Indiana’s computer aided dispatch (CAD) systems and ensure that the closest first responders are reached during an emergency regardless of county lines.

[20] During the 2024 legislative session, Walker authored a bill that extended eligibility for Medicare supplement insurance for Indiana residents suffering from ALS or end stage renal disease and offers additional cost savings for these individuals, many of whom are in or are nearing end-of-life care.