Faculty
![Nicholas Ialongo Nicholas Ialongo](/sites/default/files/styles/people_card_360/public/images/332.jpg?h=5ea32f36&itok=Eq66FoMs)
Nicholas Ialongo, PhD, is a prevention science researcher who conducts large-scale studies on child mental health, developmental psychopathology, violence prevention, and more.
![Renee M. Johnson Renee M. Johnson](/sites/default/files/styles/people_card_360/public/images/2848.jpg?h=bf372811&itok=fLYL9Hvd)
Renee M. Johnson, PhD, MPH, uses social epidemiology and behavioral science methods to investigate injury/violence, substance use, and overdose prevention.
![](/themes/custom/jhsph/images/faculty-avatar-square.png)
Jamie Dahm Kaczaniuk, MSEd, is a lead project coordinator on two federally funded research projects examining environmental and genetic risk exposures that may impact child development.
![Luther Kalb Luther Kalb](/sites/default/files/styles/people_card_360/public/images/3644.jpg?h=16b768a2&itok=DqBI9Vht)
Luther G Kalb, PhD '17, MHS '08, uses data to improve the well-being of children and adolescents, particularly those with neurodevelopmental disabilities.
![](/themes/custom/jhsph/images/faculty-avatar-square.png)
Sheppard G. Kellam, MD, Professor Emeritus and former Chair of the Department of Mental Health, works with public schools to help students succeed at each stage of school life.
![Elizabeth Letourneau Elizabeth Letourneau](/sites/default/files/styles/people_card_360/public/images/2594.png?h=852176a3&itok=oEg875tz)
Elizabeth Letourneau, PhD, directs the Moore Center for the Prevention of Child Sexual Abuse, leading efforts to prove that child sexual abuse is preventable, not inevitable.
![Sabriya Linton Sabriya Linton](/sites/default/files/styles/people_card_360/public/images/3557.jpg?h=d7697940&itok=Wg3JFb_i)
Sabriya Linton, PhD ’13, MPH, uses a health equity lens and mixed methodologies to study how local and macro-level factors influence substance use, mental health, related sequelae.
![Brion Maher Brion Maher](/sites/default/files/styles/people_card_360/public/images/2471.jpg?h=852176a3&itok=_NvVUnaR)
Brion Maher, PhD, MS, is a geneticist who studies the role of genetics and epigenetics in substance use disorders.
![Tamar Mendelson Tamar Mendelson](/sites/default/files/styles/people_card_360/public/images/1770.jpg?h=c37fc523&itok=aeWm4wU7)
Tamar Mendelson, PhD, MA, addresses the development, evaluation & dissemination of prevention strategies to improve adolescence mental health in underserved urban populations.
![Kristina Metz Kristina Metz](/sites/default/files/styles/people_card_360/public/images/3509.jpeg?h=beca6b47&itok=twPUV10x)
Kristie Metz, PhD, MA, is a clinical psychologist who studies the effectiveness and dissemination of evidence-based mental health practices within low-resourced settings.
![Kyle Moored Kyle Moored](/sites/default/files/styles/people_card_360/public/images/4429.jpg?h=cc346453&itok=atsZpImw)
Kyle Moored, PhD '20, studies how activity and the environment contribute to cognitive and mental health across the lifespan to inform targeted interventions.
![Sarah Murray Sarah Murray](/sites/default/files/styles/people_card_360/public/images/3580.jpg?h=a0812ec6&itok=WV3FUM9T)
Sarah McIvor Murray, PhD ’15, MSPH '11, researches mental health, stigma, and violence to promote the health of marginalized populations in low-resource communities.
![Rashelle Musci Rashelle Musci](/sites/default/files/styles/people_card_360/public/images/2992.jpg?h=16b768a2&itok=cbHHHoqg)
Rashelle Musci, PhD, MS, is a methodologist and child mental health expert studying latent variable methods, intergenerational transmission, and impact of prevention programs.