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General Information

BirthplacePalo Alto, CA


University of California, Berkeley

Current Companies

Founder & CEO

Former Companies

Software Engineer
Team Member

Web Presences


Photo Credit


Darian Shirazi

Darian Shirazi is the CEO of Radius, which he founded in 2009. Radius is the system of record for small businesses in America and tracks comprehensive information about 22 million small businesses continuously. Fortune 500 companies and medium-sized businesses rely on Radius’ data to underwrite and understand customers as well as improve their sales process. With more than 2 billion pieces of information about the smallest businesses in the US, Radius has become one of the most comprehensive data sets about SMBs available today.

Darian has a long history working in the Internet industry to build some of the world’s most groundbreaking products and companies. In 2005, he joined the Facebook team as one of the first outside engineering hires. At Facebook, Darian worked on a myriad of projects. Prior to Facebook, Darian worked at eBay on the Sell Your Item team.

Aside from Darian’s position at Radius, he has invested, advised, or founded several other companies including: Udemy – the online education platform, Wedding Party – guest photo albums for weddings, MessageMe – great mobile messaging, 50cubes – the creators of Mall World on Facebook.

Darian briefly studied Philosophy and Computer Science at the University of California, Berkeley.

Recent Milestones


Company Date Round Size Participants
Radius Inc. 1/2014Series B$13M3
Sprig 11/2013Seed$1.2M13
MessageMe 3/2013Venture Round$1.9M9
Homejoy 3/2013Seed$1.7M6



  1. Radius Raises $13M in Financing ( [edit]
  2. With $1.2 Million In Seed Funding, Sprig Launches To Bring Fast, Healthy Meals To SF Eaters For $12 Each ( [edit]
  3. Facebook Isn’t Holding Back Their Growth: MessageMe Raises $1.9M And Grabs 1M Users ( [edit]
  4. Home Cleaning Service Pathjoy Becomes Homejoy, Raises $1.7M From Andreessen Horowitz And Others ( [edit]
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Last Edited 3/27/14

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