Cullen Jennings
CTO For Security And Collaboration Business
San Jose, California, United States
Summary
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RockstarCullen Jennings is a seasoned technology leader and CTO for Security and Collaboration at Cisco with 14 years of experience driving secure realtime communications and collaboration platforms. Based in San Jose, he combines executive strategy with hands-on cryptographic and protocol expertise, evidenced by contributions to the widely used libsrtp project and integration work with OpenSSL. He serves on influential standards bodies—an IAB Board Member and W3C Advisory Committee member—bridging industry implementation with internet and web standards. Cullen is known for turning complex security and interoperability requirements into practical, auditable solutions that scale across enterprise deployments. His background blends deep engineering chops in secure media transport with senior leadership shaping the future of collaboration technologies. An under-the-radar strength is his ability to operate at both code and governance levels, ensuring standards translate into production-grade systems.
14 years of coding experience
Stackoverflow
965reputation
288kreached
14answers
0questions
webrtc
top-5%
Github Skills (14)
security10
srtp10
openssl10
rtp10
encryption10
webrtc9
c119
c179
bmp6
javascript6
arduino6
cassandra6
sctp6
reverse6
Programming languages (20)
Github contributions (5)
cisco/libsrtp
Mar 2013 - Jul 2018
Library for SRTP (Secure Realtime Transport Protocol)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 commits, 1 PR, 1 push in 5 years 5 months
Contributions summary:Cullen primarily contributes to the `libsrtp` repository, a library for the Secure Realtime Transport Protocol. The commits focus on integrating and updating the library, as seen with the merge operations and the attachment of a patch to address build warnings. Furthermore, the user incorporates OpenSSL, indicating work on encryption and security-related features within the SRTP context. The contributions involve modifying and merging code, and implementing new cryptographic libraries.
securerealtimelibsrtprtpsrtp
fluffy/draft-jennings-game-state-over-rtp
Dec 2021 - Oct 2022
Sending game state over RTP
Contributions:65 commits, 29 PRs, 33 pushes in 10 months
ltertpinfiniband4ggame-state
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