Verify. Alert. Authenticate.


About TeleSign

Leadership Team

Charles McColgan

Charles McColganChief Technology Officer

Charles McColgan — software hero, tech wonk, general over-achiever — McColgan spearheads the technical development, operations, and long-term vision of TeleSign. He brings 20 years of industry experience including 10 years of experience creating and operating SAAS solutions used by thousands of enterprises in the security and messaging space.

Prior to joining TeleSign, McColgan held various positions with Microsoft Corporation both as a Software Architect and Senior Manager. Most recently, McColgan was Director of Development responsible for the ForeFront security brand of server protection products. His team developed the Forefront protection products for Microsoft Exchange, Sharepoint and Office Communicator. McColgan's team was also responsible for the development and management of the Forefront Online Protection for Exchange service at Microsoft which was Microsoft's largest cloud service with 40 million paid subscribers in 2010. McColgan joined Microsoft in August of 2005 as part of Microsoft's acquisition of FrontBridge Technologies.

McColgan was CTO of FrontBridge and helped build the company from scratch including hiring the first engineering employees and building FrontBridge's distributed filtering network which is still core to Microsoft's email filtering platform today. FrontBridge launched its distributed filtering network in February of 2001 in three data centers in California. In 2004 FrontBridge acquired MessageRite and expanded its business into the compliance email archiving space. By the time Microsoft purchased Frontbridge in 2005, FrontBridge was processing email in 7 data centers worldwide for over 3,000 enterprise customers.

Prior to joining FrontBridge, McColgan was Vice President of Technology at Paramount Digital Entertainment (PDE) a Viacom Company. Between 1995 and 2000 McColgan grew Paramount's Internet presence from a single server collocated at BBN Planet at Stanford University to producing content online for Paramount's television and motion picture. Paramount's properties included the Star Trek and Entertainment Tonight brands as well as helping pioneer live online events from the Emmy's to the Golden Globe award shows.

Before joining Paramount, McColgan was Vice President of Technology for US HealthLink. At US HealthLink McColgan was helping port the legacy online service of the American Medical Association (AMA Net) from the CompuServ packet network to the internet.

McColgan holds a Bachelor of Arts degree in History from UCLA.

Client Testimonials


Meet Us

TeleSign Website Menu


Use Cases




Contact Us





Client Log-in

Up to top