---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-037643"
form_type: "8-K"
ticker: "MC"
cik: "0001596967"
company_name: "Moelis & Co"
filed_at: "2025-02-27T23:59:59+00:00"
generated_at: "2026-05-26T01:49:53.329243+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Moelis promotes Christopher Callesano to CFO; Joseph Simon departs

## Summary
- Callesano named CFO effective March 31, 2025, succeeding Joseph Simon.
- Simon resigns after 15 years; will join Wachtell Lipton as CFO.
- Nick Riehl appointed Principal Accounting Officer effective March 31, 2025.
- Callesano has been with Moelis since 2010 as Principal Accounting Officer and Corporate Controller.
- Transition period through May 2025 to ensure continuity.

## SEC filing metadata
- accession: 0001193125-25-037643
- form_type: 8-K
- ticker: MC
- cik: 0001596967
- company_name: Moelis & Co
- filed_at: 2025-02-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1596967/000119312525037643/0001193125-25-037643-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1596967/000119312525037643/d911219d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-037643
- JSON: https://secwatch.observer/filing/0001193125-25-037643.json
- Plain text: https://secwatch.observer/filing/0001193125-25-037643.txt

## Key facts
- Executive change
  Christopher Callesano was appointed as Chief Financial Officer at Moelis & Co.
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On February 27, 2025, Moelis & Company (the “Company”) announced the appointment of Christopher Callesano to Chief Financial Officer effective March 31, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1596967/000119312525037643/0001193125-25-037643-index.htm
- Executive change
  Nick Riehl was appointed as Principal Accounting Officer at Moelis & Co.
  - Action: appointed
  - Role: Principal Accounting Officer
  source text: Additionally, Nick Riehl, our current Head of Financial Reporting, has been appointed as Principal Accounting Officer effective March 31, 2025 succeeding Mr. Callesano in that role.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1596967/000119312525037643/0001193125-25-037643-index.htm
- Executive change
  Joseph Simon resigned as Chief Financial Officer at Moelis & Co.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: Mr. Simon provided notice of his resignation on February 25, 2025 and will be leaving the Company at the end of May.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1596967/000119312525037643/0001193125-25-037643-index.htm

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