# CALAMOS ADVISORS LLC

CALAMOS ADVISORS LLC of NAPERVILLE, IL is an SEC-registered investment adviser.

## Registration

- CRD: 105758
- Type: SEC-registered investment adviser
- SEC file number: 801-29688
- Location: 2020 CALAMOS COURT, NAPERVILLE, IL, 60563-2787
- Phone: 630-245-7200
- Latest filing: 2026-07-23
- Regulatory AUM: $43.9B
- Discretionary AUM: $43.9B
- Clients: 300
- Accounts: 1,957

## Business model

- Compensation: % of AUM
- Clients served: High net worth, Pooled vehicles, Investment cos

## Officers, owners & control persons (46)

_Showing 25 of 46 people._

| Name | Role | Location |
| --- | --- | --- |
| Walter Morrissey Kelly | SVP, CHIEF COMPLIANCE OFFICER | Northbrook, IL |
| John Peter Calamos Sr. | FOUNDER, CHAIRMAN AND GLOBAL CIO; MANAGER; SHAREHOLDER (+1 more) | — |
| Jacqueline Elizabeth Sinker | SVP, CHIEF COMPLIANCE OFFICER | — |
| Robert Francis Behan | EVP, CHIEF DISTRIBUTION OFFICER | — |
| John Spiro Koudounis | MANAGER; MANAGER AND SHAREHOLDER; MEMBER (+2 more) | — |
| Thomas Edward Herman | EVP, CHIEF FINANCIAL OFFICER | — |
| William J Takahashi | MANAGER | — |
| Daniel Leo Dufresne | EVP, CHIEF OPERATING OFFICER; MEMBER | — |
| Erik Donald Ojala | SVP GENERAL COUNSEL & SECRETARY | — |
| BOYNE JAMES JOSEPH | COO; PRESIDENT & COO; PRESIDENT OF DISTRIBUTION AND OPERATIONS (+3 more) | — |
| BLACK GARY DOUGLAS | EVP, GLOBAL CO-CIO, CIO ALTERNATIVE STRATEGIES | — |
| OBOYLE JAMES B | VP,CHIEF COMPLIANCE OFFICER | — |
| BLANK RHOWENA B | VICE PRESIDENT-OPERATIONS | — |
| WATKINS ELIZABETH ANNE | VP, CHIEF COMPLIANCE OFFICER | — |
| CALAMOS JOHN PETER | CEO/CIO; CEO/CO-CIO; CHAIRMAN AND GLOBAL CIO (+18 more) | — |
| HAMMAN JAMES STEPHEN | EVP, GENERAL COUNSEL, AND CLO; EVP, GENERAL COUNSEL, CCO AND CLO; EXEC. V.P. & GENERAL COUNSEL (+1 more) | — |
| DUDASIK PATRICK HENRY | EVP/CFO; EVP,CFO AND COO; EVP,CFO,CAO (+2 more) | — |
| JONES SCOTT CRAVEN | EVP/CAO | — |
| RANDALL WALTER RAMSAY | CHIEF COMPLIANCE OFFICER; VP,CHIEF COMPLIANCE OFFICER | — |
| MORIARTY PHILIP EDWARD | EVP,PRESIDENT, CALAMOS FINANCIAL SERVICES | — |
| BAKA JAMES FRANCIS | EVP; EVP,PRESIDENT, CALAMOS WEALTH MANAGEMENT; EVP, WEALTH MANAGEMENT | — |
| JACKSON JERALD CHRISTOPHER | SVP, GENERAL COUNSEL; SVP, GENERAL COUNSEL AND SECRETARY; SVP, GENERAL COUNSEL & SECRETARY | — |
| SWANSON DAVID MICHAEL | EVP, DIRECTOR OF DISTRIBUTION | — |
| BEHAN ROBERT FRANCIS | EVP, CHIEF DISTRIBUTION OFFICER; PRESIDENT, HEAD OF GLOBAL DISTRIBUTION | — |
| BHATT NIMISH SANJAY | SVP, CHIEF FINANCIAL OFFICER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/105758/brochure
- Similar advisers: https://search.stillhousedata.com/firm/105758/similar
- Related entities: https://search.stillhousedata.com/firm/105758/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/105758

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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.