Caleb Alexander

  • Professor of Epidemiology and Medicine

Travis Rieder

  • Director of the Master's in Bioethics Program
Office phone

Joshua Sharfstein

  • Professor of the Practice in Health Policy and Management
  • Vice Dean for Public Health Practice and Community Engagement, Bloomberg School of Public Health

Contact a media rep

Johns Hopkins is a big place. Let us make your job a little easier by connecting you with the right media representative.

Contact information

Video services

Our Video and Audio Studio provides a digital, live link between faculty experts and broadcast networks across the globe, including:

  • Live and recorded HDTV interviews via the Vyvx fiber network
  • Live and recorded radio interviews via dedicated ISDN lines
  • Internet streaming

Learn more about the studio

Johns Hopkins University experts can provide the perspective and analysis reporters need to cover the news. If you can’t find an expert in this guide, please contact the university’s media relations office at or 443-997-9009.