Neuroscientist and clinical psychologist with a PhD from Columbia University, specializing in the gut-brain axis and the neuroscience of mental wellness. Dr. Rivera leads a research lab investigating how microbiome composition affects mood, cognition, and neuroplasticity. He has published 30+ peer-reviewed papers and is a sought-after speaker at international neuroscience conferences. His work has been cited in Nature Neuroscience and the Journal of Psychiatric Research.