Who we are

TeleSign connects and protects the customer experience by deriving intelligence from billions of digital interactions and mobile signals. Through developer-friendly APIs that deliver user verification, digital identity, and omnichannel communications, we help the world's largest brands secure onboarding, maintain account integrity, prevent fraud, and streamline omnichannel engagement.

Leaders in Digital Identity and Programmable Communications

We connect and protects online experiences with sophisticated digital identity and programmable communications solutions. Through APIs that deliver user verification, data insights, and communications worldwide we solve today’s unique customer challenges by bridging your business to the complex world of telecommunications.

Core Value

Entrepreneurial

We believe in trusting and empowering our employees to make decisions that benefit both them as an individual and TeleSign as a whole. TeleSign is the sum of all of our incredibly talented minds and by granting a sense of autonomy we ensure that we are always pushing innovation.

Core Value

Customer-centric

Every action we take puts our clients front of mind. In doing so, we ensure the best customer service and world class support which our stakeholders have come to love.

Core Value

#TeleSignTogether

TeleSign rewards collaboration and ingenuity. We believe that we can always depend on each other and we are stronger when we tackle challenges together than apart.

Billions

Number of transactions TeleSign conducts monthly

2/3

of the largest Cloud Computing companies in the world trust us

35+

Patents

230+

countries and territories
with coverage

The Leadership Team

Joe Burton
Joe Burton
Chief Executive Officer
Thomas Dhondt
Thomas Dhondt
Chief Financial Officer
Tom Wesselman
Tom Wesselman
Chief Technology Officer
Cynthia Ng
Cynthia Ng
Chief Legal Officer
Peter Vermeulen
Peter Vermeulen
Chief People Officer
Kristi Melani
Kristi Melani
Chief Marketing Officer
Wei Lin
Wei Lin
Vice President, Engineering
Yoon Ahn
Yoon Ahn
Vice President, Global Tech Ops
Nenad Vucinic
Nenad Vucinic
General Manager, Belgrade
Guillaume Bourcy
Guillaume Bourcy
Vice President, Data and Identity Solutions
Aaron Seyler
Aaron Seyler
Senior Vice President, Sales and Customer Success
Stacy Stubblefield
Stacy Stubblefield
Co-Founder
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