Career
Susan Sieker has been Director of General Partner and Chief Financial Officer of Registrant of Loomis, Sayles & Company since April 2021. Susan Sieker is a control person of the firm and directly owns under 5% of it. Susan Sieker holds a BBA in accounting from Southern Methodist University.
Loomis, Sayles & Company, L.P. is a Boston, MA firm with $387B under management, 24,675 clients and 728 advisers across 7 offices, as of its July 2026 filing.
Loomis Sayles identifies Susan Sieker as its chief financial officer and a board member. Before joining in 2021, she was chief financial officer at Cambridge Associates, where her responsibilities included financial planning and analysis, treasury, accounting operations, financial reporting, payroll and tax. Earlier roles included finance and risk leadership at Brinker International and financial services work at PricewaterhouseCoopers.
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
Professional designations
Listed by Loomis, Sayles & Company
- CPA, which Loomis Sayles says she obtained.
- CRMA, which Loomis Sayles says she obtained.
Individual registration and examination information for Susan Sieker 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
- Susan Sieker
- CRD
- 6550426
- Record basis
- Form ADV officer listing
- Firm bio
- loomissayles.com
Disciplinary history is not reported here, in either direction. Check the SEC record.
Common questions
Where does Susan Sieker work?
Susan Sieker has been Director of General Partner and Chief Financial Officer of Registrant of Loomis, Sayles & Company, L.P. since April 2021, and is a control person of the firm.
Leadership at Loomis, Sayles & Company
- Kevin CharlestonPresident and Chief Executive Officer of Registrant, Director and Chairman of General Partner
- Donald RyanChief Compliance Officer of Registrant
- Pramila AgrawalDirector of General Partner
- Matthew EaganDirector of General Partner
- Daniel FussDirector of General Partner
- John GidmanDirector of General Partner
- David GiuntaDirector of General Partner
- Aziz HamzaogullariDirector of General Partner
- Maurice LegerDirector of General Partner
- Richard RaczkowskiDirector of General Partner
- Rebecca RadfordChief Legal Officer of Registrant and Director of General Partner
- Philippe SetbonDirector of General Partner
- David WaldmanDirector of General Partner