---
schema_version: "secwatch.filing_event.v1"
accession: "0001136893-23-000090"
form_type: "8-K"
ticker: "FIS"
cik: "0001136893"
company_name: "Fidelity National Information Services, Inc."
filed_at: "2023-05-26T23:59:59+00:00"
generated_at: "2026-06-14T12:33:33.066891+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# FIS appoints Christopher A. Thompson as Chief Accounting Officer, effective May 22, 2023

## Summary
- Christopher A. Thompson appointed CAO; previously served as CAO from 2019-2021 and as SVP Finance Segment since March 2023.
- Thomas K. Warren departed as CAO effective May 22, 2023 to pursue other opportunities.
- Thompson holds a bachelor's in accounting from SUNY, is a CPA, and was a partner at Deloitte.

## SEC filing metadata
- accession: 0001136893-23-000090
- form_type: 8-K
- ticker: FIS
- cik: 0001136893
- company_name: Fidelity National Information Services, Inc.
- filed_at: 2023-05-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1136893/000113689323000090/0001136893-23-000090-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1136893/000113689323000090/fis-20230522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001136893-23-000090
- JSON: https://secwatch.observer/filing/0001136893-23-000090.json
- Plain text: https://secwatch.observer/filing/0001136893-23-000090.txt

## Key facts
- Executive change
  Christopher A. Thompson was appointed as Chief Accounting Officer at Fidelity National Information Services, Inc..
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: Effective as of May 22, 2023, the Board of Directors of Fidelity National Information Services, Inc. (the “Company”) appointed Christopher A. Thompson as the Chief Accounting Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1136893/000113689323000090/0001136893-23-000090-index.htm
- Executive change
  Thomas K. Warren departed as Chief Accounting Officer at Fidelity National Information Services, Inc..
  - Action: left
  - Role: Chief Accounting Officer
  source text: In connection with Mr. Thompson’s appointment as Chief Accounting Officer of the Company, Thomas K. Warren has left his position as Chief Accounting Officer of the Company, effective as of May 22, 2023, to pursue other opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1136893/000113689323000090/0001136893-23-000090-index.htm

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