We’re on a mission to transform every phone call into an opportunity for growth.

We’re on a mission to transform every phone call into an opportunity for growth.

We’re on a mission to transform every phone call into an opportunity for growth.

While competitors have focused on chatbots and low-cost automation, Synthesys is built voice-first. Phone calls remain the most critical channel for sales, customer support, and retention, and we’re redefining how they’re handled. Our proprietary AI telecom infrastructure, from triple-layer prompting to contextual live calling, replaces low-skill labor with intelligent, scalable systems that never miss a chance to capture revenue or deliver a world-class customer experience.

Numbers Driving Limitless Growth

Our History

Synthesys was founded on the insight gained from years of direct experience in high-volume sales environments, where making more than 150 calls per day was the standard. Members of our leadership team began their careers in these demanding settings and later ran organizations across industries in scaling their revenue operations. Through this work, one reality became clear: traditional telecommunications models were fundamentally limited in their ability to support growth at modern speed and scale.


Synthesys was created as the institutional answer to that challenge. Built on advanced AI and proprietary telecommunications infrastructure, the platform consolidates follow-up, sales, upsells, and revenue generation into a unified system capable of scaling without limit. What began as practical experience in the trenches has evolved into a global enterprise mission: to transform the phone into the most powerful growth channel for businesses worldwide.

1M+

MONTHLY CALLS

1M+

MONTHLY CALLS

20

PEOPLE

7

TRADEMARKS & PATENTS

7

TRADEMARKS & PATENTS

100%

CLIENT RETENTION

Some companies our

team has worked with:

Our Leadership Team

Synthesys' leadership team blends enterprise expertise with an appetite for disruptive innovation.

David H. Reineke

Founder & Global Managing Director

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.

John P. Besmer

Chief Operating Officer

John holds a degree in Business Administration with a focus on International Marketing and has built a track record of driving revenue growth for SaaS and telecommunications firms across North America and Europe. With deep expertise in global account strategy, outbound prospecting, and high-performance sales leadership, he now oversees Synthesys’ global sales strategy, expanding market presence and forging long-term client partnerships.

Ralph Jones

Chief Technology Officer

Ralph architected the firm's proprietary AI stack which is our core technology moat. He leads platform development to ensure enterprise-grade resilience and performance.

Sagar Yadav

Design Lead

Sagar serves as Lead Designer at Synthesys, bringing a unique background in architecture and human–computer interaction to his role. With expertise across UX, visual design, and front-end development, he has led redesigns, built scalable design systems, and delivered intuitive, user-centered digital experiences. At Synthesys, Sagar shapes the company’s visual identity and product design, ensuring that every interaction is both engaging and aligned with enterprise-grade performance.

Recognitions

Recognitions

Our Offices

Dubai, United Arab Emirates

Meydan Grandstand, 6th floor, Meydan Road, Nad Al Sheba, Dubai, UAE

Los Angeles, California USA

1480 Vine Street #2003, Los Angeles, California 90028, USA

Become a part of Synthesys

Join our team

Careers

Shape the future of telecom with us. Build, innovate, and grow in a team where your work makes an immediate impact. At Synthesys, you’ll tackle complex challenges that accelerate global business transformation.

Emerging Talent

Kickstart your career at Synthesys. Gain hands-on experience, mentorship, and the chance to make your mark from day one. We equip future leaders with the tools to deliver lasting impact at scale.

Our Investors

None :)

None :)