Series

CISO Series is a media network for cybersecurity professionals, delivering the most fun you’ll have in cybersecurity. We publish 9-10 episodes every week across our network of five programs. Four of our programs are audio podcasts, and we also have two live streaming video events every week. Please check out our events page for upcoming virtual and in person events.

Here are some of the voices you hear on our network.

David Spark

David Spark (@dspark) is the founder and executive producer of the CISO Series. He also co-hosts many of our shows.

David Spark
David Spark

Spark is a veteran tech journalist that’s appeared in many media outlets such as eWEEK, Wired News, Forbes, PCWorld, ABC Radio, John C. Dvorak’s “Cranky Geeks,” KQED’s “This Week in Northern California,” and TechTV (formerly ZDTV).

Outside of tech, security, and marketing, Spark squandered more than a dozen years working as a touring stand up comedian, a San Francisco tour guide, and comedy writer for The Second City in Chicago.

Co-hosts for CISO Series Podcast

Mike Johnson is the former CISO of Lyft.

Andy Ellis (@csoandy) is the operating partner for YL Ventures.

Co-hosts for Defense in Depth

Geoff Belknap (@geoffbelknap), CISO, LinkedIn

Steve Zalewski, former CISO, Levi Strauss

Reporters for Cyber Security Headlines

Steve Prentice

Steve Prentice (@StevenPrentice) is the sponsored segment producer for the CISO Series. You can hear his voice on all three podcasts in our network. In addition to his focus in cybersecurity, Prentice also writes about how human beings interface with technology.


Sean Kelly

Sean Kelly (@CyberSean2K) is a cyber risk professional and leader who thrives on learning, collaborating and helping the business securely advance its mission. Sean is also a musician and outdoor enthusiast who loves spending time with his family and two cats.


Rich Stroffolino

Rich Stroffolino (@MrAnthropology) is a podcaster, editor and writer based out of Cleveland, Ohio. He’s spent the past five years creating media for technology enthusiasts and IT practitioners. He dreams of someday writing the oral history of Transmeta.


Ginger Liu (@gingerliu) is the founder of Ginger Media & Entertainment, a Ph.D. researcher in artificial intelligence and visual media, and a writer/reporter, author, and artist. As an American Brit, Ginger has an international outlook and writes about how technology influences all aspects of our lives.

Job opportunities

CISO Series is always looking for talented cybersecurity journalists, especially if you’re good on the microphone.