On the first episode of the PONI Pathbreakers series, host Beverly Kirk spoke with Erin Dumbacher, senior program officer for the Scientific and Technical Affairs program at the Nuclear Threat Initiative, and Suzanne Spaulding, senior adviser for homeland security and director of the Defending Democratic Institutions project at CSIS. They discussed cyber deterrence and nuclear security, and their career experiences in a rapidly changing field. You can learn more about Erin’s work at NTI here and Suzanne’s work at CSIS here.