Leadership
Grace Tillman
CEO & Co-Founder
Grace spent a decade leading infrastructure teams at a top-five US broker-dealer, where she built the internal notification platform that handled every margin call and risk alert across the firm. She founded ATT to bring that same level of reliability to the broader industry. She holds a BS in Computer Science from the University of Illinois.
Raj Patel
CTO & Co-Founder
Raj is the architect behind ATT's core message bus and delivery engine. Before ATT, he was a principal engineer at a major cloud messaging provider where he designed a system delivering over one billion push notifications per day. He holds an MS in Distributed Systems from Carnegie Mellon University.
Ingrid Holm
VP of Engineering
Ingrid manages ATT's engineering organization across Chicago and London. She previously built real-time data pipelines at a Nordic stock exchange and brings deep expertise in fault-tolerant distributed systems. She is passionate about on-call culture and incident response practices.
Marcus Chen
Head of Product
Marcus translates complex client workflows into product features. He spent eight years in electronic trading operations at two global banks, giving him first-hand experience with the notification failures ATT was built to prevent. He holds an MBA from the University of Chicago Booth School of Business.
Olivia Brandt
Head of Security & Compliance
Olivia leads ATT's security program and ensures every product meets the regulatory requirements of global financial markets. She previously served as CISO at a mid-tier asset manager and holds CISSP and CISM certifications. She advises industry working groups on communication surveillance standards.