
Gerry Dumani
Founder & Chief Architect
Dumani is the Founder and Chief Architect of 4Mile Labs, a technology incubator and the parent company of LumaLayer AI. He brings a background in building technology platforms that simplify complex workflows and create meaningful impact.
In addition to founding LumaLayer, Dumani operates a Colorado-based seed-to-sale compliance and AgTech platform and a nonprofit foundation that provides wellness support to children with Down syndrome in South Africa and Zimbabwe. His work reflects a commitment to combining technology, entrepreneurship, and community service to solve real-world challenges.
Outside of work, Dumani is a proud father to two pups, Lilo and Kai. He spends much of his free time hiking in Colorado’s backcountry and teaching yoga.

Alex Seleznov
Chief Revenue Officer
Alex leads LumaLayer’s commercial strategy, including pricing, partnerships, and bringing the platform to the clinicians and organizations who need it most.
He brings more than twenty years of experience as a finance and operations executive. Most recently, he served as Chief Financial Officer of a life sciences holding company with manufacturing and laboratory operations. Previously, he was VP of Finance at a national nonprofit dedicated to providing computers and internet access to schools and low-income households.
Alex holds a BS in Finance from Arizona State University and lives in Brighton, Colorado. He is the father of a five-year-old and enjoys music and chess when he is not busy being a dad.

Jessica Amedeo-Johnson, MS, CCC-SLP
Co-Founder & Chief Advisory Clinician
Jessica is a bilingual Speech-Language Pathologist with more than twenty years of experience supporting individuals from birth through geriatrics. While her clinical work spans the full lifespan, she specializes in serving pre-K through elementary-aged students in school settings, helping children strengthen their communication skills, build confidence, and thrive academically and socially.
As LumaLayer’s Co-Founder and Chief Advisory Clinician, Jessica brings invaluable real-world clinical expertise to the development of tools designed to support speech-language pathologists. Her perspective helps ensure the platform is grounded in the practical needs of clinicians and the individuals they serve.
Jessica is a graduate of Arizona State University, where she earned a BA in Education with a specialization in Spanish and an MS in Communication Disorders. She and her husband, Brad, have two adult children. Together, they enjoy cooking, traveling, volunteering, reading, and hiking.