Byron Seijo is a Case Manager at National Disability Alliance, where he guides clients through the complex process of applying for social security disability benefits with empathy, persistence, and attention to detail. With nearly 20 years of experience in client service, he is skilled at building trust, maintaining clear communication, and ensuring that every case moves forward smoothly.
Before joining National Disability Alliance, Byron developed deep expertise in customer care at Alight, where he managed client relationships, resolved complex issues, and delivered consistent results in high-pressure environments. He also held client-facing roles at Williams-Sonoma, Inc. and Centro Plástico, where his ability to listen, problem-solve, and advocate for clients earned him recognition for outstanding service.
Byron pursued studies in Computer Sciences at Universidad Politécnica de Puerto Rico and is fluent in English and Spanish. His bilingual proficiency, dedication to client advocacy, and commitment to service excellence make him an essential part of the National Disability Alliance team.
Helpful Resources To Get You Started
Types of Disabilities
Learn which conditions qualify for SSDI and SSI – and how medical documentation plays a key role.
Disability Benefits
Explore the benefits available through Social Security Disability and what you can expect to receive.
Application Process
A step-by-step look at how to apply for disability benefits – and how we can help simplify the process.
FAQs
Have questions? Find quick answers to the most common disability questions we hear from applicants.