Career
Heather Brilliant has been Chief Operating Officer of First Eagle Investment Management since April 2026. Heather Brilliant is a control person of the firm and directly owns under 5% of it. Heather Brilliant holds a BA in economics from Northwestern University and an MBA from the University of Chicago.
First Eagle Investment Management, LLC is a New York, NY firm with $136B under management, 44 clients and 46 advisers across 7 offices, as of its August 2026 filing.
Heather Brilliant is Chief Operating Officer of First Eagle Investments and leads the Diamond Hill investment team. She joined First Eagle in 2026 when it acquired Diamond Hill, where she had served as CEO since 2019.
The IAPD individual lookup on 18 October 2026 returned no individual record. This profile uses the firm’s Form ADV officer listing.
Credentials and registrations
Individual registration and examination information for Heather Brilliant is unavailable. An officer title or CRD number does not by itself establish current investment adviser representative registration, and no registration or examination counts are inferred.
Officer record
- Full name
- Heather Brilliant
- CRD
- 6857235
- Record basis
- Form ADV officer listing
Disciplinary history is not reported here, in either direction. Check the SEC record.
Common questions
Where does Heather Brilliant work?
Heather Brilliant has been Chief Operating Officer of First Eagle Investment Management, LLC since April 2026, and is a control person of the firm.