Led the Global Information Security program at Atlassian which includes Application Security, Security Intelligence, Security Monitoring and Incident Response, Security Architecture, Security Policy, Compliance, and IT securityLed the Identity Engineering team which includes developing shared Authentication, Authorization and Security features for all Atlassian products

Led a team of 100+ data scientists, security experts and software engineers at LinkedIn including:1. Information Security (CISO) - Driving the Security Program, Penetration Testing, Training, Compliance, Policy, Incident Response and IT security2. Security Infrastructure Engineering: Developing Infrastructure and Tools to proactively address security issues3. Anti-Abuse and Privacy Engineering: Developing Abuse and Fraud Prevention Infrastructure using machine learning, login and authentication systems, and Site Privacy features

Setup the LinkedIn India Technology Center in Bangalore from nothing to about 50 engineers.

Started as an engineer and grew to lead Global Information Security (Chief Paranoid) at Yahoo! including Product Development, Operations and IT Security.

Instructor for the "Firewalls and Access Control" class offered as part of the E-commerce certification program at UCSC

Managed and executed numerous security consulting engagements involving high-profile e-commerce, financial, wireless and healthcare clients. Involved from the sales process all the way through to conducting and completing the engagements.

Designed and implemented the IPSEC protocol for Windows NT/9x included as part of the Intel Ethernet cards.Designed and implemented a security policy architecture for network trafficDesigned & implemented a directory service architecture using LDAP for security policy storage and retrieval. (Win2000 Active Directory)Worked with internal groups and standards bodies to do prototype implementations on new technologies and protocols.