Venrock partner Bryan Roberts chats with Mathai Mammen about COVID-19 vaccine development and therapeutics in this special episode of Running Through Walls. Mammen serves as the Global Head of R&D at the Janssen Pharmaceutical Companies of Johnson & Johnson, where he is heading up the firm's COVID-19 vaccine development. They discuss J&J's unique approach to the vaccine and which therapeutics are promising in the fight against the virus. Mammen shares how the U.S. can be better prepared for the next pandemic, and highlights how his company approaches vaccine production and distribution on a global scale.