---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-005140"
form_type: "8-K"
ticker: "KZR"
cik: "0001645666"
company_name: "Kezar Life Sciences, Inc."
filed_at: "2023-02-28T23:59:59+00:00"
generated_at: "2026-06-18T22:15:47.155907+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Kezar Life Sciences President & CSO Christopher Kirk resigns; internal promotions announced

## Summary
- Christopher Kirk, Ph.D. resigns as President and CSO effective April 21, 2023 for personal reasons; will remain on Board as strategic advisor.
- Neel Anand, DPhil promoted to SVP, Research and Drug Discovery; Kieron Wesson, Ph.D. promoted to SVP, CMC and Supply Chain.
- Both new SVPs report to CEO John Fowler as part of the company's succession plan.

## SEC filing metadata
- accession: 0000950170-23-005140
- form_type: 8-K
- ticker: KZR
- cik: 0001645666
- company_name: Kezar Life Sciences, Inc.
- filed_at: 2023-02-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1645666/000095017023005140/0000950170-23-005140-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1645666/000095017023005140/kzr-20230227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-005140
- JSON: https://secwatch.observer/filing/0000950170-23-005140.json
- Plain text: https://secwatch.observer/filing/0000950170-23-005140.txt

## Key facts
- Executive change
  Christopher Kirk resigned as President and Chief Scientific Officer at Kezar Life Sciences, Inc..
  - Action: resigned
  - Role: President and Chief Scientific Officer
  source text: On February 27, 2023, Christopher Kirk, Ph.D., President, Chief Scientific Officer and member of the Board of Directors (the “Board”) of Kezar Life Sciences, Inc. (the “Company”), provided notice of his intention to resign from the positions of President and Chief Scientific Officer of the Company for personal reasons, effective April 21, 2023 (the “Resignation Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1645666/000095017023005140/0000950170-23-005140-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.