Meet the Associates
Our growing network of expert coaches and consultants.
Seth Williams
Keystone Founding Member
If your program is running on guesswork, Seth Williams fixes that.
Seth is a Keystone Founding Member of Stone Catalyst and one of the most sought-after minds in early childhood program infrastructure. With deep expertise in health and nutrition compliance, data systems, and the operational frameworks that keep programs thriving, Seth doesn’t just advise — he builds the systems that make excellence sustainable.
Seth specializes in ChildPlus and One Place, two of the most critical data platforms in the early childhood sector. He helps programs move from reactive management to proactive, data-driven decision-making — turning numbers into clear action steps that drive real outcomes for children and families.
Compliance is never an afterthought with Seth. He brings a precise, systems-level approach to health and nutrition requirements, helping programs stay ahead of regulations while maintaining the quality that families and funders expect. His work doesn’t just keep programs in compliance — it elevates them.
Whether you’re building new infrastructure from the ground up or untangling systems that have grown beyond their design, Seth brings the expertise, the structure, and the follow-through to get it done right.
Specialties: Health & Nutrition Systems · ChildPlus · One Place · Compliance · Data Infrastructure · Organizational Systems
LeeAnn Vega
Founding Senior Associate
If your program needs to grow, change, or get back on track — LeeAnn Vega is who you call.
LeeAnn is a Founding Senior Associate of Stone Catalyst with over 15 years of hands-on experience in education. She specializes in educational systems, behavioral support, and organizational transformation. She doesn’t just consult — she steps into the work alongside your team and drives the kind of change that sticks.
LeeAnn has a proven record of leading programs through high-stakes organizational change. As a key architect behind taking a program to Program of Excellence, she knows what it takes to move a team from where they are to where they need to be — and she makes it happen.
As a sought-after speaker and trainer, LeeAnn specializes in CLASS, Teachstone, and classroom organization and management. Her sessions don’t just inform — they shift how educators show up for children every single day.
She currently serves as the NHSA Dr. Bergeron Technical Assistance provider for the Site Leader Credential, supporting early childhood leaders across the country in building the skills and systems that move programs forward.
Specialties: Educational Systems · Behavioral Support · Organizational Change · CLASS · Teachstone · Classroom Management · Site Leader Credential TA