Our Vision

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

About Us

About Us

Obsidian Security is an early-stage cybersecurity company building ML-driven technologies to secure enterprise identities. Led by Glenn Chisholm (CEO), Ben Johnson (CTO), and Matt Wolff (Chief Scientist) Obsidian’s leadership has decades of cybersecurity experience at companies like Carbon Black and Cylance as well as the National Security Agency. We are backed by Greylock Partners and based in Newport Beach, CA.

Glenn Chisholm


Ben Johnson


Matt Wolff

Chief Scientist

Alexander Vandenberg-Rodes

Data Scientist


Alfredo Hickman

Staff Security Engineer

Andrew George

Senior UX Engineer

Ashley Laurie

Director of Operations

Brian Lau

Data Scientist

Charlene Hu

Senior Software Engineer

Chris Fuller

Senior Security Data Scientist

Chris Galbraith

Machine Learning Researcher

Danny Hyun

Vice President of Engineering

David Newhall

Machine Learning Engineer.

DT Mirizzi

Software Engineer

James Banh

Senior Application Quality Engineer

Jed Mitten

Senior Security Researcher

Jody Forness

Senior Security Researcher

John Hofrichter

Software Engineer

Jorge Cuadra Fueyo

Senior UX Engineer

Justin Head

Senior Infrastructure Engineer

Justin Turpin

Cloud Infrastructure Engineer

Kevin Yamada

UX Engineer

Kong Pang

Principal Software Engineer

Laura Norén

Director of Research

Marcus McCurdy

Machine Learning Engineer

Mazy Akhlaghi

Head of Talent


Naresh Chebolu

Senior Director of Data Science

Nihara Thomas

Software Engineer

Noah Corradin

Senior Security Researcher

Sammy Staszak

Machine Learning Engineer

Sean Borman

VP, Product Management

Sean Han

Principal Data Engineer

Shreyas Karnik

Software Engineer

Sunny Volkert

Client Development Specialist

Timothy Ho

Cloud Infrastructure 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.