William A. Siffermann
About William A. Siffermann
William A. Siffermann is Vice President of the Nuveen S&P 500 Buy-Write Income Fund (BXMX) with a term designated “Indefinite” and length of service since 2017; his principal occupation over the past five years is Senior Managing Director of Nuveen, and his year of birth is 1975 . Officers of the Funds are elected annually by the Board and serve until successors are elected and qualified, and officers receive no compensation from the Funds (fund-level), with the CCO’s compensation paid by the Adviser and partially reimbursed by the Funds .
Past Roles
| Organization | Role | Years | Strategic Impact |
|---|---|---|---|
| Nuveen | Senior Managing Director | Past 5 years (information as of Mar 1, 2025) | Senior management role supporting Nuveen fund complex . |
| Nuveen S&P 500 Buy-Write Income Fund (BXMX) | Vice President | 2017–present | Fund officer (elected annually), serves without fund-level compensation . |
External Roles
| Organization | Role | Years | Notes |
|---|---|---|---|
| Nuveen | Manager of Fund Board Relations | As of Mar 4, 2025 | Listed contact for Nominating and Governance Committee candidate suggestions; 333 West Wacker Drive, Chicago, IL 60606 . |
Fixed Compensation
| Component | Disclosure |
|---|---|
| Fund-level officer compensation | $0; officers receive no compensation from the Funds . |
| Compensation paid by Adviser | The Funds’ CCO compensation is paid by the Adviser with allocable reimbursement by the Funds; officer (general) compensation not disclosed at fund level . |
No base salary, target bonus %, or actual bonus figures for Mr. Siffermann are disclosed in BXMX proxy materials; officer compensation is not paid by the Fund .
Performance Compensation
The BXMX proxy does not disclose performance-based metrics, targets, or payout formulas tied to officer compensation, and officers receive no compensation from the Funds .
Equity Ownership & Alignment
| Metric | Value | As-of Date |
|---|---|---|
| BXMX shares owned by Board Members and officers as a group | 6,690 | Dec 31, 2024 |
| Group beneficial ownership as % of BXMX outstanding shares | <1% | Feb 18, 2025 |
| Independent Board Members’ dollar range of BXMX holdings | $0 for each Board Member | Dec 31, 2024 |
Individual officer-level holdings for Mr. Siffermann are not separately disclosed in BXMX proxy materials; group-level statistics are provided .
Employment Terms
| Term | Detail |
|---|---|
| Officer position | Vice President |
| Term of office | Indefinite; length of service since 2017 |
| Election and tenure | Officers elected annually by the Board; serve until successors are elected and qualified |
| Fund-level compensation | Officers receive no compensation from the Funds |
Investment Implications
- Pay-for-performance linkage at the Fund level is limited for officers: the proxy states officers receive no compensation from the Funds, and it provides no performance metrics or payout formulas at the Fund level .
- Insider ownership exposure appears limited at BXMX: independent Board Members report $0 dollar-range holdings in BXMX, and Board Members and officers as a group held 6,690 BXMX shares as of Dec 31, 2024, representing less than 1% of outstanding shares as of Feb 18, 2025; this suggests minimal direct fund-share exposure among insiders .
- Retention and incentive dynamics are primarily tied to Nuveen (the Adviser), not the Fund: officers are Nuveen personnel, with fund officer terms designated “Indefinite” and elected annually, and compensation administered at the Adviser level (with CCO mechanics disclosed), indicating retention risk and alignment factors should be assessed at the parent organization rather than fund-level disclosures .
- Governance connectivity: Siffermann’s role as Manager of Fund Board Relations and listed contact for nominations underscores involvement in governance processes for Nuveen funds, which can facilitate board refreshment and oversight quality .