Tech Company Financing Transactions

Duo Security Funding Round

On 10/18/2017, Duo Security received $70 million in Series D investment from Lead Edge Capital, Meritech Capital Partners and Geodesic Capital.

Transaction Overview

Company Name
Announced On
Transaction Type
Venture Equity
Series D

Lead Edge Capital (Lead Investor) (Lorrie Norrington)

Meritech Capital Partners (Lead Investor) (Rob Ward)

Geodesic Capital

Index Ventures

Redpoint Ventures (Allen Beasley)

True Ventures

Workday Ventures

Proceeds Purpose
Duo has established itself as the leader in cloud-based trusted access and we are delighted to support their rapid growth.

Company Information

Company Status
Acquired or Merged
Mailing Address
123 North Ashley St. 200
Ann Arbor, MI 48104
Email Address
Duo Security is the easiest two-factor authentication service to deploy, administer, and use. The company s service can be deployed in as little as 30 minutes and can be used immediately by any user with a phone. Over 1,000 organizations in over 80 countries rely upon Duo to prevent online account takeover and data theft.
Duo Security LinkedIn Company Profile
Social Media
Duo Security Company Twitter Account
Company News
Duo Security News
Duo Security on Facebook
Duo Security on YouTube

Management Team

Email & Social
Chief Executive Officer
Douglas Song
  Douglas Song LinkedIn Profile  Douglas Song Twitter Account  Douglas Song News  Douglas Song on Facebook
Chief Financial Officer
Sydney Carey
  Sydney Carey LinkedIn Profile  Sydney Carey Twitter Account  Sydney Carey News  Sydney Carey on Facebook
Chief Information Officer
Raffaele Mautone
  Raffaele Mautone LinkedIn Profile  Raffaele Mautone Twitter Account  Raffaele Mautone News  Raffaele Mautone on Facebook
Chief Technical Officer
Jon Oberheide
  Jon Oberheide LinkedIn Profile  Jon Oberheide Twitter Account  Jon Oberheide News  Jon Oberheide on Facebook
VP - Bus. Development
Paul DiMarzo
  Paul DiMarzo LinkedIn Profile  Paul DiMarzo Twitter Account  Paul DiMarzo News  Paul DiMarzo on Facebook
VP - Customer Service
Lisa Paul
  Lisa Paul LinkedIn Profile  Lisa Paul Twitter Account  Lisa Paul News  Lisa Paul on Facebook
VP - Marketing
Jeff Wiss
  Jeff Wiss LinkedIn Profile  Jeff Wiss Twitter Account  Jeff Wiss News  Jeff Wiss on Facebook
VP - Sales
James Cyb
  James Cyb LinkedIn Profile  James Cyb Twitter Account  James Cyb News  James Cyb on Facebook



Browse more venture capital transactions:

Prev: 10/18/2017: Alloy venture capital transaction
Next: 10/18/2017: Feedzai venture capital transaction


Share this article


About Our Venture Capital Transactions Database

Our team works diligently to record all VC transactions involving tech companies. VC investment data records reported here come from publicly available VC deal announcements. The data comes to us via our partnership with, an affiliated venture.


Additional Resources for Entrepreneurs

Lists of Venture Capital and Private Equity Firms

Franchise Opportunities


Business Glossary