Chadd

Chadd is the most trusted source for reliable, science-based information regarding current medical research and ADHD management.

placeLanham, Maryland, United States calendar_todayFounded 1987 groups84 employees language chadd.org

Registered entities

Web presence

Audience by country — top 5 markets by share of visits.

CountryShare
United States78.5%
United Kingdom10.8%
Ireland3.1%
Canada1.5%
Australia1.3%

Social engagement

Social engagement: 15.7K social following, 10 posts in the last 12 months — below the industry typical range.

Investor mix

1 investor on record.

Investor typeCountShare
Other / undisclosed1100%

Share of voice

Share of voice in United States: 68.2% of web traffic across its competitive set; worldwide: 21.2%.

Recent activity

30 Jun 2026
Event
2026 International Conference on ADHD
29 Jun 2026
Event
ADHD Voices
25 Jun 2026
Event
ADHD Voices
Coming soon