I'm currently working with people in strategic risk reduction, the diplomacy term for trying to avoid world war three. Under the umbrella of the CATALINK project, I argue for building a multi-lateral open-source version of the classic Moscow - Washington hotline, so that national leaders have fewer misunderstandings.
I retired in 2017 from the role of Google's VP Security & Privacy Engineering, after ten wonderful years working with a team of passionate and talented people committed to being good stewards of our users' data. There is a workshop keynote that reflects on some of that experience and recently I wrote a screed on our experience with authentication.
We refused to accept the status quo of crime and espionage
and helped move industry best practices from a "fire code" model of checklists to a "red team" model of testing against adversaries,
focusing on defense, detection, and response:
But life is short and I wanted to spend more of it with Brenda, exploring our beautiful country by air in a Cessna 182, N945G. (Unfortunately Brenda's autoimmune treatment and the covid pandemic intervened and we haven't been able to do this yet; still hoping.) For my public service component, I'll be submitting patches upstream to harden open source systems. If you're in the same niche corner of open systems as me, you might enjoy TalosFirmware.pdf.
Earlier as a Bell Labs Fellow, I worked on algorithms for numerical approximation, simulation, domain decomposition, floating point, visualization, and networked computing and tried to make the netlib collection a useful aid for scientific computing.