Dovid Lichtenstein studied for five years in the Mirrer Yeshiva. He has authored several volumes of Mishnah Acharona on the Mishna Berura, three volumes of Headlines, and has a weekly podcast based on contemporary halachic issues. Among the many projects he has founded is the Friendship House, a chain of non-profit homes that are adjacent to major hospitals and provide housing for Jewish families and caregivers of loved ones. He is also the driving force behind Professional Career Services (PCS), an organization that provides career training and job placement services to members of Lakewood’s yeshiva community. He lives with his wife and children in New York.