David Ulevitch

David Ulevitch

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GP at a16z; former Cisco/Umbrella; cyber and national security policy/industry intersections.

Add Veteran‑Only Filter to LinkedIn Recruiting
SocialMay 6, 2026

Add Veteran‑Only Filter to LinkedIn Recruiting

It’d be cool if @LinkedIn had a simple toggle to only show veterans in search results when using the recruiting platform. Maybe they have it and I’ve missed it. Would be a great feature that seems relatively easy.

By David Ulevitch
Jonathan Stall‑Ryan Dominates in Zegna Triple‑stitch Showdown
SocialMay 4, 2026

Jonathan Stall‑Ryan Dominates in Zegna Triple‑stitch Showdown

The real winner in this article is Jonathan Stall-Ryan who is absolutely locked in with his Zegna triple stitch while the coeds look on. https://t.co/JOlSDqE93p https://t.co/PYUOIFHF3f

By David Ulevitch
AI Tools for Automatic 5‑Slide Presentation Creation
SocialApr 22, 2026

AI Tools for Automatic 5‑Slide Presentation Creation

Lazyweb: What’s the best AI tool to help me generate a small 5-10 slide presentation? Ideally I'd just prompt the structure and have it make the slides, text, images, etc. and then let me fine tune it and edit the...

By David Ulevitch
AirSpaceIntel Leads the Way to FAA Reform
SocialApr 22, 2026

AirSpaceIntel Leads the Way to FAA Reform

Incredible work from @AirSpaceIntel and team. This is the path to fixing our FAA and improving air safety.

By David Ulevitch
United's Starlink Shift Leaves Flights Wi‑Fi Dead
SocialApr 15, 2026

United's Starlink Shift Leaves Flights Wi‑Fi Dead

A bunch of anecdotes making me think that as @united moves the fleet over to Starlink their ground station partner has cut them off. I know of 5 people on 5 EWR-SFO flights who haven't had wifi in the last...

By David Ulevitch
CIA Claims Impossible Quantum Heartbeat Detection, Then Proves It
SocialApr 8, 2026

CIA Claims Impossible Quantum Heartbeat Detection, Then Proves It

Meanwhile at the CIA: “Okay, so we’re gonna tell them we can detect heartbeats 20 miles away with a quantum crystal that oscillates at 300 gigawatts.” “Come on, nobody will ever believe that.” “Just watch.” https://t.co/D1OIRroNIl

By David Ulevitch
Decimated Iranian Leadership Leaves Negotiations Uncertain
SocialApr 8, 2026

Decimated Iranian Leadership Leaves Negotiations Uncertain

Who did we agree to this deal with? We’ve decimated IRGC leadership. We’ve decimated Iranian political leadership. We haven’t seen Ayatollah Jr. These are all positive disruptions, but who are we negotiating with? Is the Iranian government functioning?

By David Ulevitch
Trade‑focused “Lambda School” Could Thrive for Decades
SocialApr 7, 2026

Trade‑focused “Lambda School” Could Thrive for Decades

My hot take of the day is that a Lambda School for electricians, CNC machinists, and other advanced manufacturing roles would do very well for the next 20+ years. Maybe longer.

By David Ulevitch
Alleged Advanced Life‑Detection Device Proven Fake
SocialApr 7, 2026

Alleged Advanced Life‑Detection Device Proven Fake

I don’t doubt some very advanced human life detection capabilities exist but there is absolutely no way this device exists even close to as described. Someone told a total BS story to a reporter. Incredible trolling. https://t.co/Fze3poXw0S

By David Ulevitch
Middle East Coverage Is a Dumpster Fire Despite Decent Features
SocialApr 6, 2026

Middle East Coverage Is a Dumpster Fire Despite Decent Features

Some of the recipes are okay, and wordle is cool, but their Middle East coverage is an absolute dumpster fire. Maybe @x knows more than Nate.

By David Ulevitch
Iran Lacks North Korea's Deterrent and Chinese Shield
SocialApr 5, 2026

Iran Lacks North Korea's Deterrent and Chinese Shield

North Korea is protected for a few reasons: it holds Seoul hostage with conventional weapons giving it a second strike deterrent, it’s protected by China, etc. Iran has none of those dynamics. This makes no sense.

By David Ulevitch
Cluster
SocialApr 2, 2026

Cluster

Says the guys launching cluster munitions at civilian buildings in Israel and blowing up random buildings in gulf states.

By David Ulevitch
CEOs: Attend Only When Speaking, Otherwise It's Counterproductive
SocialApr 2, 2026

CEOs: Attend Only When Speaking, Otherwise It's Counterproductive

For CEOs, if you're speaking at an event, it's sometimes >0 value to attend (get customers, recruit talent, raise profile, practice pitch, etc.). If you're not speaking at an event it's generally <0 value to attend.

By David Ulevitch
Europe's Actions Prove US Needs Greenland Bases
SocialApr 1, 2026

Europe's Actions Prove US Needs Greenland Bases

Europe basically providing the evidence for why America needs military bases in Greenland. Which we will frustratingly have to use one day to protect Europe (again).

By David Ulevitch