![Marion Gross](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Marion Gross
Director/Board Member at
ECOLAB INC.
Net worth: 5 M $ as of 2026-05-30
Profile
Marion K.
Gross is currently Chairman at Ronald McDonald House Charities of Chicagoland & Northwest.
In since 2020 and Independent Director at Ecolab, Inc. starting in 2025.
Former roles include Chief Supply Chain Officer & Executive VP at McDonald's Corp.
from 2022 to 2025 and Member at The Chicago Network.
Education includes undergraduate studies at Western Illinois University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-02-20 | 15,871 ( 0% ) | 4 M $ | 2026-05-30 | |
| 2026-05-14 | 466 ( 0% ) | 119 296 $ | 2026-05-30 |
Marion Gross active positions
| Companies | Position | Start |
|---|---|---|
| ECOLAB INC. | Director/Board Member | 2025-05-06 |
Ronald McDonald House Charities of Chicagoland & Northwest In
 Ronald McDonald House Charities of Chicagoland & Northwest In Investment Trusts/Mutual FundsMiscellaneous Operates as a non-profit charity organization | Chairman | 2019-12-31 |
Former positions of Marion Gross
| Companies | Position | End |
|---|---|---|
| MCDONALD'S CORPORATION | Corporate Officer/Principal | 2025-03-31 |
The Chicago Network
 The Chicago Network Miscellaneous Commercial ServicesCommercial Services Operates as a professional organization for women's | Corporate Officer/Principal | - |
Training of Marion Gross
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
66
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
Ecolab, Inc.
 Ecolab, Inc. Chemicals: SpecialtyProcess Industries Develops and markets water treatment, cleaning & sanitizing products and provides laundry & pest control services | Process Industries |
McDonald's Corp.
 McDonald's Corp. RestaurantsConsumer Services Operates and franchises a food restaurant chain | Consumer Services |
Western Illinois University
 Western Illinois University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Chicago Network
The Chicago Network Miscellaneous Commercial ServicesCommercial Services Operates as a professional organization for women's | Commercial Services |
Ronald McDonald House Charities of Chicagoland & Northwest In
Ronald McDonald House Charities of Chicagoland & Northwest In Investment Trusts/Mutual FundsMiscellaneous Operates as a non-profit charity organization | Miscellaneous |
- Stock Market
- Insiders
- Marion Gross
