Dr. Shepard is an assistant professor of Psychiatry at Johns Hopkins.

At Appa, she creates content about understanding emotions, changing behaviors, and expressing gratitude. Follow her on TikTok, where she posts relatable content about her own mental health journey.

Tim Massaquoi is a Licensed Professional Counselor and a former NFL player.

At Appa, he creates content about how our behaviors can influence our thoughts and emotions. Check out his podcast “Mind Ya Mentals,” where he works to de-stigmatize mental health.

Dr. Casey is a licensed clinical psychologist and sleep specialist.

At Appa, she creates content about dealing with negative thoughts. Follow her on TikTok, where she shares tips and tricks to help you sleep better and reduce anxiety.

Dr. Tasha Brown is a licensed child and adolescent psychologist and parenting consultant.

At Appa, she creates content about dealing with emotions and changing negative though patterns. Follow her on Instagram, where she shares emotional health strategies and parenting tips.

Dr. Razzino is a licensed clinical psychologist and adolescent specialist.

At Appa, he creates content about journaling and breathing exercises, as well as the ways that our brains can play tricks on us. Follow him on TikTok, where he creates funny content about the ways that parents can get on our nerves.