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Company boilerplate
About Synthesys
Journalists are welcome to use this description verbatim.
Synthesys is the AI voice & telecommunications platform built to transform every phone call into an opportunity. By replacing outdated call centers and human reps with real-time AI voice systems, we enable businesses to scale infinitely, handling millions of inbound and outbound conversations with sub-500ms latency in over 50 languages.
From startups to Fortune 500s, businesses use Synthesys to accelerate revenue, compress costs, and eliminate the bottlenecks of human-limited operations. Synthesys consolidates outbound outreach, inbound calls, and customer support & engagement into one AI-powered system, turning what used to be hours of manual work into instant, automated execution.
The phone remains the most powerful channel for sales and customer support, and Synthesys ensures that no opportunity is ever missed. We're on a mission to transform every phone call into an opportunity for growth.
FAST FACTS
<500ms
Response latency
Leadership
Meet the founder

David Reineke
Founder & GLOBAL MANAGING DIRECTOR, Synthesys
David H. Reineke is the Founder and Global Managing Director of Synthesys, where he leads the company’s mission to redefine global telecommunications through enterprise-grade AI infrastructure. Prior to establishing Synthesys, he held commercial roles at PayPal and later founded and scaled one of the largest B2C online education businesses of its era. Over the course of his career, he has overseen more than $60 million in revenue across 1,000+ B2B transactions worldwide.
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