Xaviera Plooij

About the Author

Xaviera Plooij is a renowned Dutch developmental psychologist and mother of five, whose groundbreaking research on infant mental development has transformed how parents worldwide understand and support their babies' growth. Co-authoring the international bestseller 'The Wonder Weeks: A Stress-Free Guide to Your Baby's Behavior' with her husband Frans, she draws from decades of scientific study and personal experience to demystify the fussy phases that signal cognitive leaps in young children. Plooij's work empowers parents with practical tools to navigate these 'wonder weeks,' fostering stronger bonds and reducing anxiety during the early years. Her accessible approach blends rigorous research with empathetic insights, making complex psychology relatable for everyday families.