Meet the team
Manual forms, inconsistent data rules, and network specific processes slow campaigns and frustrate brands. As brand validation becomes a standard part of telecoms, delays translate into lost revenue for mobile networks and CPaaS providers.
Leo
Bartle
Chairman & CEO
Leo leads Brand Assure’s strategy and governance. He acquired Stour in 2012 and has grown it into a trusted telecoms provider working with brands like Sinch, Salesforce, and Twilio. A serial founder, he brings experience from Y Combinator-backed ventures and a finance background that began at Goldman Sachs.
Robert
Jones
Chief Commercial Officer
Robert set out to solve a problem he knew first-hand: the complexity and inconsistency of brand validation. With over a decade in messaging, including leading roles at BT and EE, he understands the needs of mobile networks, CPaaS providers, and regulators. At Brand Assure, he leads strategy and partner engagement, focused on making validation faster, safer, and simpler.
David
Clark
Chief Product Officer
David supports Brand Assure on strategy and product development. A Platform Partner at Tera VC, he’s held senior roles at the UK Cabinet Office and BT, where he helped launch new services in A2P messaging and RCS. His experience across telco, technology, and government helps shape Brand Assure’s long-term direction.
Claire
Jacques
Operations Lead
Claire ensures Brand Assure runs smoothly, securely, and at scale. With 15+ years in telecoms operations and partner enablement - including at BT, EE, and Virgin Media, she’s led major programmes across service delivery and systems design. She now oversees day-to-day operations, focused on reliability and customer experience.
Ioan
Bojita
Network Operations Manager
Ioan oversees Brand Assure’s network operations, ensuring reliability and service quality at scale. He brings over eight years of experience as a voice engineer at Vodafone and Three, and holds certifications from Ericsson, Alcatel, Cisco, and ITIL. His background combines deep technical expertise with hands-on service delivery.
Catalin
Pirnog
Network Operations Engineer
Catalin supports Brand Assure’s operations, with a focus on service delivery, billing, and process improvement. He brings experience from Raiffeisen Bank and other leading financial institutions, combining commercial discipline with a practical understanding of telecoms operations.
Mihai
Radulescu
Network Operations Lead
Mihai leads day-to-day network operations at Brand Assure, managing escalations and implementation projects. With a background in telecoms and an MA in Advanced Signal Processing, he plays a key role in ensuring service reliability and developing technical solutions across the platform.