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Louis Samson.

Co-President and member of the Investment Committee, Platinum Equity

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Previously: CIBC World Markets, Stikeman Elliott LLP

Louis Samson is Co-President of Platinum Equity and a member of its Investment Committee. He joined the firm in 2007, became Co-President in 2023, and leads its New York, Greenwich and London investment teams. Before Platinum Equity he was a managing director in the mergers and acquisitions group at CIBC World Markets and an M&A lawyer at Stikeman Elliott. He sits on the boards of Custom Truck One Source and GPGI, Inc.[1][2][3]

01Deal
02Companies
04Roles
03Sources

As of 25 Sep 2026.

Louis Samson
Louis SamsonPhoto from platinumequity.com
01

Career

Roles as the cited sources state them. Years are shown only where a source gives them.

  1. Current2023 to present

    Platinum Equity

    Co-President and member of the Investment Committee

    [1][2]
  2. FormerFrom 2007

    Platinum Equity

    Joined the firm (Partner as of 2021)

    [2][3]
  3. FormerYears not stated

    CIBC World Markets

    Managing Director, Mergers and Acquisitions Group

    [1][2]
  4. FormerYears not stated

    Stikeman Elliott LLP

    Mergers and acquisitions attorney

    [1][2]
02

Education

Schools as the cited sources state them. A year is shown only where a source gives it.

  1. Year not stated

    University of Ottawa, Faculty of Law

    [1][2]
  2. Year not stated

    Le Petit Séminaire de Québec

    [1][2]
03

Board seats

  1. Current2026 to present

    GPGI, Inc. (formerly CompoSecure)

    Director

    [1][2]
  2. CurrentStart not stated

    Custom Truck One Source

    Director

    [1][2][3]
  3. FormerYears not stated

    PAE Inc.

    Director (former)

    [2]
04

Companies on Carrywatch

Company files linked to Louis Samson by a stated role or the sourced profile.

05

Deal Web

Louis Samson, 2 firms and 1 deal, and how they connect.

06

Deals they appear in

Deals on Carrywatch that name Louis Samson, with the sentences that mention them.

07

News

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08

Sources

Numbered as cited above.

  1. 01
    Louis Samson, Co-President

    Platinum Equity · Researched 25 Sep 2026

  2. 02
    Form 8-K, CompoSecure, Inc. (board appointments)

    U.S. Securities and Exchange Commission · Jan 2026 · Researched 25 Sep 2026

  3. 03
    Definitive proxy statement (DEF 14A), Custom Truck One Source, Inc.

    U.S. Securities and Exchange Commission · May 2021 · Researched 25 Sep 2026

Deals that name this person:

  1. 01