---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-070953"
form_type: "8-K"
ticker: "FISV"
cik: "0000798354"
company_name: "FISERV INC"
filed_at: "2025-04-02T23:59:59+00:00"
generated_at: "2026-05-24T00:11:04.581697+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Fiserv appoints Takis Georgakopoulos as COO effective April 2, 2025

## Summary
- Takis Georgakopoulos, EVP since Sept 2024, named COO; will oversee technology operations and Merchant Solutions.
- Guy Chiarello transitions from COO to Vice Chairman supporting enterprise technology strategy and solutions.
- Jennifer LaClair continues as Head of Merchant Solutions, reporting to Georgakopoulos.
- Georgakopoulos previously served as Global Head of Payments at JPMorgan Chase (2007-2024) and partner at McKinsey.

## SEC filing metadata
- accession: 0001193125-25-070953
- form_type: 8-K
- ticker: FISV
- cik: 0000798354
- company_name: FISERV INC
- filed_at: 2025-04-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/798354/000119312525070953/0001193125-25-070953-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/798354/000119312525070953/d892958d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-070953
- JSON: https://secwatch.observer/filing/0001193125-25-070953.json
- Plain text: https://secwatch.observer/filing/0001193125-25-070953.txt

## Key facts
- Executive change
  Guy Chiarello changed role as Vice Chairman at FISERV INC.
  - Action: transitioned
  - Role: Vice Chairman
  source text: Guy Chiarello, the Company’s current Chief Operating Officer, who will transition to the role of Vice Chairman supporting enterprise technology strategy and solutions effective as of April 2, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/798354/000119312525070953/0001193125-25-070953-index.htm
- Executive change
  Takis Georgakopoulos was appointed as Chief Operating Officer at FISERV INC.
  - Action: appointed
  - Role: Chief Operating Officer
  source text: Takis Georgakopoulos, an Executive Vice President of the Company, had been appointed to serve as the Chief Operating Officer, effective April 2, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/798354/000119312525070953/0001193125-25-070953-index.htm

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