Proctor et al.'s (2021) comment "Division 21 Has Been Devoted to Human-Centered Design Since the 1950s" on our article (Lyon et al., 2020) is a welcome addition and useful touchpoint surrounding the historical and current relationship between human-centered design and psychological science. "Siloing" in psychology inhibits the progress of the discipline. We offer a set of recommendations for reducing silos and increasing the integration of engineering psychology with implementation science to advance human-centered design and the use of research evidence in practice. (PsycInfo Database Record (c) 2022 APA, all rights reserved).