Our Vision

Revolutionize how organizations use data science and security technology to combat cyber threats across hybrid-cloud environments.

About Us

About Us

Led by former founding team members of Cylance and Carbon Black, Obsidian Security is a Southern California technology company living at the intersection of cybersecurity, artificial intelligence, and hybrid-cloud environments. Backed by Greylock Partners, Obsidian Security is based in Newport Beach, CA.

Glenn Chisholm


Ben Johnson


Matt Wolff

Chief Scientist

Alexander Vandenberg-Rodes

Data Scientist

Andrew George

Senior UX Engineer

Ashley Laurie

Director of Operations

Brian Lau

Data Scientist

Charlene Hu

Senior Software Engineer

David Newhall

Machine Learning Engineer.

Jane Chang

Senior Director of Design

John Hofrichter

Software Engineer

Justin Head

Senior Infrastructure Engineer

Kong Pang

Principal Software Engineer

Kris Sankaran

Machine Learning Researcher

Nihara Thomas

Software Engineer

Sean Han

Principal Data Engineer

Shreyas Karnik

Software Engineer

Sunny Volkert

Executive Sherpa

Tom Tran

Principal Software Engineer


Greylock Partners backs entrepreneurs who are building disruptive, market-transforming consumer and enterprise software companies. We invest in companies that define new markets, including Airbnb, Cloudera (NYSE: CLDR), Docker, Dropbox, Facebook (Nasdaq: FB), Nextdoor, Palo Alto Networks (NYSE: PANW) and Workday (NYSE: WDAY).

Asheem Chandna


Sarah Guo



It’s time to re-think the security stack. Do you want to build, create, innovate? We are forming a kick-ass team that will redefine the future of cybersecurity.

To see our current list of open roles, please click here.

Don’t see your role listed? If you are a standout candidate for our product team and you’re passionate about building world-class technology, we want to hear from you.