# DUFF & PHELPS LLC

DUFF & PHELPS LLC of CHICAGO, IL is an SEC-registered investment adviser.

## Registration

- CRD: 110745
- Type: SEC-registered investment adviser
- SEC file number: 801-53178
- Location: 311 S. WACKER DRIVE, STE 4200, CHICAGO, IL, 60606
- Phone: 312-697-4600
- Latest filing: 2007-03-30
- Clients: 501

## Officers, owners & control persons (19)

| Name | Role | Location |
| --- | --- | --- |
| [LOVELL JEFFREY DALE](https://search.stillhousedata.com/person/732805) | CO-MANAGING MEMBER | — |
| [MINNICK JAMES EDWARD](https://search.stillhousedata.com/person/732806) | CO-MANAGING MEMBER | — |
| [GOUGIS CHESTER ARTHUR](https://search.stillhousedata.com/person/739315) | CO-PRESIDENT; MANAGING DIRECTOR; PRESIDENT | — |
| [GOTTDIENER NOAH](https://search.stillhousedata.com/person/739316) | CHIEF EXECUTIVE OFFICER | — |
| [SILVERMAN JACOB LOUIS](https://search.stillhousedata.com/person/739317) | EVP AND CFO; EXECUTIVE VICE PRESIDENT | — |
| [MAREK MICHAEL JAMES](https://search.stillhousedata.com/person/739318) | CFO, COMPLIANCE OFFICER; CHIEF COMPLIANCE OFFICER; CHIEF COMPLIANCE OFFICER, CHIEF FINANCIAL OFFICER (+2 more) | — |
| [CREAGH GERARD MICHAEL](https://search.stillhousedata.com/person/739319) | CO PRESIDENT; PRESIDENT | — |
| [BLOOM JONATHAN SCOTT](https://search.stillhousedata.com/person/742309) | MANAGING DIRECTOR | — |
| [MAKSTENIEKS CATHERINE ANN](https://search.stillhousedata.com/person/745542) | CHIEF COMPLIANCE OFFICER | — |
| [GORDON JOSEPH MICHAEL](https://search.stillhousedata.com/person/757481) | MANAGING DIRECTOR | — |
| [BYCZEK ROBERT CORMICK](https://search.stillhousedata.com/person/783805) | MANAGING DIRECTOR | — |
| [BURT STEPHEN M](https://search.stillhousedata.com/person/783806) | MANAGING DIRECTOR | — |
| [CEFALI SHERYL LYNN](https://search.stillhousedata.com/person/783807) | MANAGING DIRECTOR | — |
| [BAYSTON DANIEL DARWIN](https://search.stillhousedata.com/person/783808) | MANAGING DIRECTOR | — |
| [PLUMB CHARLES WILLIAM](https://search.stillhousedata.com/person/783809) | MANAGING DIRECTOR | — |
| [RANGE GREGORY PAUL](https://search.stillhousedata.com/person/783810) | MANAGING DIRECTOR | — |
| [THOMASSY GEORGE ERNEST](https://search.stillhousedata.com/person/783811) | MANAGING DIRECTOR | — |
| [LUSCOMBE PATRICIA JANE](https://search.stillhousedata.com/person/783812) | MANAGING DIRECTOR | — |
| [BLUTH ELYSE SUSAN](https://search.stillhousedata.com/person/783813) | MANAGING DIRECTOR | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/110745/brochure
- Similar advisers: https://search.stillhousedata.com/firm/110745/similar
- Related entities: https://search.stillhousedata.com/firm/110745/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/110745

---

Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.