Casey Lew-Williams

Casey Lew-Williams is a Professor and Department Chair at Princeton University, where he leads the Princeton Baby Lab. His research focuses on how infants learn from dynamic communicative environments, integrating experimental, descriptive, computational, and social neuroscience approaches.

He collaborates with institutions like Concordia University to study bilingual language acquisition and has developed tools like iCatcher+ for automated gaze analysis. His work spans typical development, adversity, and bilingual contexts.

Research Interests: Language acquisition, bilingualism, infant cognition, caregiver-child interactions, neural synchrony, and computational modeling of learning processes.

Recent Article Trends: His publications address sociodemographic reporting standards, emotion dynamics, caregiver speech variability, and open science methodologies in developmental research.

• Awards:
  • Phi Beta Kappa Award
  • President’s Award for Distinguished Teaching
  • Excellence in Mentoring Graduate Students
• Advisees:
  • Kennedy Casey
  • Brooke Ryan
  • Bianca Santi

His lab emphasizes translating theoretical insights into community-focused applications to support child development.