Meet the Team
Dedicated to building the inclusive web
With a relentless focus on people, at Tamman collaboration is our specialty. We know that we can’t build the inclusive web without working together, which is why we’re all about the accessibility ecosystem.

Adrienne
Product Owner

Alejandra
Project Manager

Amy
Digital Designer

Andrea
Digital Design Team Lead

Bill
Senior Software Engineering Lead

Bridget
QA Specialist

Carl
QA Automation Developer

Collin
Curriculum & Training Lead

Cynthia
Macintosh Support

David
QA Specialist, Web

Devon
Product Owner

Emma
Business Analyst, Data & Visualization

Emmanuel
Email Developer

Geoffrey
Macintosh Desktop Support Engineer

Gregg
Digital Designer

Heather
Digital Production Manager & Team Lead

Hunter
Digital Designer

James
Full Stack Developer

Jeff
Co-founder & CEO

Jeff
Director of Product Management

Jeneane
Digital Designer

Jose
Digital Designer

Laura
Email Developer

Liza
Digital Accessibility Specialist

Marc
Chief Operating Officer

Marty
President

Mike
Co-founder & Solutions Architect

Rebecca
Digital Designer

Ryan
Digital Design Team Lead

Samantha
Digital Designer

Sloan
VP, Partner Operations

Steve
Market Research Analyst

Theresa
Administrative Manager

Tobias
Sr. Mac Engineer

Tom
Digital Designer

Wally
Sr. Digital Accessibility Engineer
Accessibility Group Monthly Meetup
Join the Community
Are you a professional in the accessibility space looking to share your ideas, project outcomes, network, and test out a presentation concept? Join in on our monthly accessibility (a11y) lightning group meetup and consider giving a 5-minute(ish) “rapid-fire” presentation on an accessibility topic of your choosing.
Learning Center
Resources that drive innovation
Tamman is built around the belief that access to information is a human right. We believe in blending inclusive design principles with your business strategies to empower accessibility champions, implement effective digital solutions, and create a lasting impact.