![Michelle Rosenberg](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Michelle Rosenberg
Chief Administrative Officer at
JANUS HENDERSON GROUP PLC
Net worth: 3 M $ as of 2026-05-30
Profile
Ms. Michelle Rosenberg is a Director, Secretary, CAO & General Counsel at Janus Henderson Group Plc, a President & Chief Executive Officer at Janus Aspen Series and a President & Chief Executive Officer at Janus Investment Fund.
She is on the Board of Directors at Janus Henderson Group Plc, ICI Mutual Insurance Co. and Bates College.
Ms. Rosenberg was previously employed as a Deputy General Counsel by Janus Henderson US (Holdings), Inc. She received her undergraduate degree from Bates College and a graduate degree from the University of Florida Levin College of Law.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-12 | 61,966 ( 0.04% ) | 3 M $ | 2026-05-30 |
Michelle Rosenberg active positions
| Companies | Position | Start |
|---|---|---|
| JANUS HENDERSON GROUP PLC | Chief Administrative Officer | 2023-12-31 |
Janus Investment Fund
 Janus Investment Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Open-End Investment Fund/Unit Trust | Chief Executive Officer | - |
Janus Aspen Series
 Janus Aspen Series Investment Trusts/Mutual FundsMiscellaneous Acts as Open-End Investment Fund/Unit Trust | Chief Executive Officer | - |
Bates College
 Bates College Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
ICI Mutual Insurance Co.
 ICI Mutual Insurance Co. Multi-Line InsuranceFinance Provides liability insurance services | Director/Board Member | - |
Former positions of Michelle Rosenberg
| Companies | Position | End |
|---|---|---|
| JANUS CAPITAL GROUP INC | General Counsel | - |
Training of Michelle Rosenberg
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
41
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Janus Aspen Series
Janus Aspen Series Investment Trusts/Mutual FundsMiscellaneous Acts as Open-End Investment Fund/Unit Trust | Miscellaneous |
Janus Investment Fund
Janus Investment Fund Investment Trusts/Mutual FundsMiscellaneous Acts as Open-End Investment Fund/Unit Trust | Miscellaneous |
Janus Henderson US (Holdings), Inc.
 Janus Henderson US (Holdings), Inc. Financial ConglomeratesFinance Provides risk-managed investment strategy, manages equity, fixed income and money market services | Finance |
Bates College
Bates College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
ICI Mutual Insurance Co.
ICI Mutual Insurance Co. Multi-Line InsuranceFinance Provides liability insurance services | Finance |
University of Florida Levin College of Law
 University of Florida Levin College of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Janus Henderson Group Plc
 Janus Henderson Group Plc Investment ManagersFinance Provides asset management services | Finance |
- Stock Market
- Insiders
- Michelle Rosenberg
