The HYYPA 100
Top Innovators in ADHD Workplace Excellence
Celebrating the pioneering individuals who are transforming workplace culture and creating unprecedented opportunities for neurodivergent professionals worldwide.
Dr. Edward Hallowell
Psychiatrist & ADHD Expert
Hallowell Centers
Impact
100,000+ professionals reached through books and training programs
Pioneer of ADHD workplace accommodation frameworks
Austin Suellentrop
Neurodiversity Advocate & Consultant
Understood.org
Impact
50+ Fortune 500 companies advised on neurodiversity programs
Leading voice in neurodiversity employment initiatives
Dr. Jodi Sleeper-Triplett
ADHD Coach & Workplace Consultant
JST Coaching & Training
Impact
5,000+ coaches trained in ADHD-specific methodologies
Developed evidence-based ADHD coaching methodologies for professionals
Leanne Maskell
ADHD Workplace Advocate & Author
ADHD Works
Impact
Influenced UK workplace policy affecting 1M+ employees
Champion of ADHD workplace rights and accommodations in UK
Dr. Roberto Olivardia
Clinical Psychologist & ADHD Specialist
Harvard Medical School
Impact
Research cited in 500+ workplace accommodation programs
Expert in ADHD executive function and workplace performance
Ari Tuckman
Psychologist & ADHD Educator
Adult ADHD Specialist
Impact
Speaking engagements reaching 50,000+ professionals annually
Translated complex ADHD science into practical workplace strategies
Dr. Kathleen Nadeau
Clinical Psychologist & ADHD Pioneer
Chesapeake Center
Impact
Research foundation for gender-specific workplace accommodations
Pioneered research on ADHD in professional women
David Greenwood
Neurodiversity Consultant & Speaker
2e Mindset
Impact
Consulted for 100+ organizations on neurodiversity programs
Leading consultant on neurodiversity hiring and retention
Dr. William Dodson
Psychiatrist & ADHD Specialist
Dodson ADHD Center
Impact
Research transformed workplace feedback approaches for ADHD employees
Expert on Rejection Sensitive Dysphoria in workplace contexts
Jessica McCabe
ADHD Educator & Content Creator
How to ADHD
Impact
2M+ subscribers, 100M+ views on workplace ADHD content
Democratized ADHD workplace education through digital media
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We're continuously updating our rankings to recognize leaders who are making a real difference in ADHD workplace inclusion and innovation.