Darian Shirazi

General Partner, Gradient Ventures
Darian Shirazi, an early Facebook hire and ex-CEO of Radius, invests high-conviction, high-velocity in AI and data startups, leveraging rare early consumer-tech and enterprise software experience and hosts First Generation.
How to contact Darian Shirazi
Stages their fund invests in
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Sectors their fund invests in
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Avg Check
$100K - $10M
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Does their fund Lead?
Yes
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Geos their fund invests in
USA
Darian Shirazi
Stages their fund invests in
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Sectors their fund invests in
AI
SaaS
Fintech
Devtools
Data
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$100K - $10M
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Leads?
Yes
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About Darian Shirazi

Darian Shirazi was one of Facebook's very first outside hires, joining as a teenager in 2005 and gaining rare firsthand experience in the early days of modern social networking, before founding and running the B2B customer data platform Radius as CEO for several years. He hosts "First Generation," a show interviewing immigrant founders about building companies in America, and is known for his "high-conviction, high-velocity" investing style focused on AI and data businesses where he can draw on his unusual combination of early consumer tech experience and enterprise software operations.

Darian Shirazi's Interests

What they've been talking about across their social media accounts
  • A strong thesis on the evolution of artificial intelligence from simple chat interfaces to autonomous systems that perform tasks. This includes backing startups like Sapiom that handle the necessary authentication and permissions to let digital workers navigate the web and execute actions like booking travel or managing finances securely.
  • Emphasis on the underlying infrastructure required to connect language models to the real world. He highlights portfolio companies solving connectivity issues, such as Linkup, which addresses the isolation of AI models by providing them with real-time, structured data and removing the latency barriers that slow down machine reasoning.
  • Interest in vertical-specific AI solutions that challenge established legacy players by using modern data models. For instance, he promotes Clarify as a modern customer relationship management tool designed specifically for the current technology wave, contrasting it against older platforms like Salesforce which he views as failing to innovate.
  • Support for deep technical innovations and defense technology, evidenced by his seed investment in Harmattan AI, a company focused on modernizing defense systems, as well as significant involvement with massive compute infrastructure providers like Lambda which recently raised over a billion dollars.
  • Focus on early-stage identification of high-growth potential, often highlighting his firm's role in leading pre-seed or seed rounds before companies achieve massive scale or acquisition. This is demonstrated by his early backing of Prepared HQ before its acquisition by Axon and investing in ROI prior to its purchase by OpenAI.

About their Fund

Gradient Ventures

Sectors
AI, SaaS, Fintech, Devtools, Data
Rounds
Pre-Seed - Series A
Avg Check Size
$100K - $10M

Gradient Ventures is Google's AI-focused venture fund that invests directly from Alphabet's balance sheet rather than using traditional limited partners, giving it longer investment timelines and less pressure around fund cycles. The fund's partners are mostly ex-Google technical leaders who provide hands-on help with AI model architecture and data pipelines, plus direct access to Google's internal technical resources like TensorFlow experts and research engineers.

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