Christopher P. DePhillips holds a Bachelor of Arts degree in government and a juris doctor degree. He began his career in public service as an aide to a congresswoman in Washington, D.C., before serving in local government roles. DePhillips has held leadership positions in both the private sector and public service, including serving as mayor of Wyckoff and commissioner of the Northwest Bergen County Utilities Authority. He has also spent significant time in the legal field, working as general counsel and chief operating officer for a life sciences company.

Christopher P. DePhillips demonstrates a strategic blend of fiscal conservatism and targeted social support, advocating for significant tax cuts while simultaneously enhancing assistance for low-income seniors. His legislative proposals, such as increasing rental payment deductions and improving safety for special education students on school buses, reveal a nuanced approach to policymaking. DePhillips's calls for accountability, including proposed impeachment articles and election integrity reforms, underscore a commitment to governmental transparency, though his specific stances sometimes intersect with unexpected policy combinations. His rhetorical style often emphasizes calculated regional interests, as seen in his nuanced approach to environmental regulations.