![Mario 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>)
Mario Gross
Chief Operating Officer at
Firestone Building Products Co. LLC
Net worth: 2 M $ as of 2026-08-30
Profile
Mr. Mario Gross is a Chief Operating Officer at Amrize Building Envelope LLC and a President-Building Envelope at Amrize Ltd. Mr. Gross was previously employed as a Non-Independent Non-Executive Director by Ambuja Cements Ltd., a Chief Procurement Officer by Holcim Ltd., a Non-Executive Director by Holcim Philippines, Inc., a Non-Executive Director by Malayan Cement Bhd., a Head-Global Procurement, Quality & Sustainability by Sika AG, a Head-Procurement by Sika AG, and a Managing Director by Sika (Thailand) Ltd. He received his undergraduate degree from Universität des Saarlandes, a graduate degree from Universität des Saarlandes and a graduate degree from the University of Strathclyde.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
0.01% | 2026-08-10 | 38,485 ( 0.01% ) | 2 M $ | 2026-08-30 |
Mario Gross active positions
| Companies | Position | Start |
|---|---|---|
Firestone Building Products Co. LLC
 Firestone Building Products Co. LLC Building ProductsProducer Manufacturing Manufactures and supplies roofing and building envelope solutions | Chief Operating Officer | 2023-12-31 |
Former positions of Mario Gross
| Companies | Position | End |
|---|---|---|
| HOLCIM LTD | Corporate Officer/Principal | 2023-12-31 |
| AMBUJA CEMENTS | Director/Board Member | 2022-09-15 |
| HOLCIM PHILIPPINES, INC. | Director/Board Member | 2018-11-28 |
| SIKA AG | Corporate Officer/Principal | 2016-12-31 |
| SIKA AG | Corporate Officer/Principal | 2010-12-31 |
Training of Mario Gross
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
65
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Malayan Cement Bhd.
 Malayan Cement Bhd. Construction MaterialsNon-Energy Minerals Manufactures and sells cement, ready-mixed concrete & aggregate products | Non-Energy Minerals |
Ambuja Cements Ltd.
 Ambuja Cements Ltd. Construction MaterialsNon-Energy Minerals Manufactures and markets cement | Non-Energy Minerals |
Sika AG
 Sika AG Chemicals: Major DiversifiedProcess Industries Manufactures and distributes chemicals | Process Industries |
Holcim Philippines, Inc.
 Holcim Philippines, Inc. Construction MaterialsNon-Energy Minerals Manufactures and wholesales cement and clinker | Non-Energy Minerals |
University of Strathclyde
 University of Strathclyde Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Universität des Saarlandes
 Universität des Saarlandes Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Firestone Building Products Co. LLC
Firestone Building Products Co. LLC Building ProductsProducer Manufacturing Manufactures and supplies roofing and building envelope solutions | Producer Manufacturing |
Holcim Ltd.
 Holcim Ltd. Construction MaterialsNon-Energy Minerals Manufactures, supplies cement, ready-mix concrete and aggregates | Non-Energy Minerals |
Sika (Thailand) Ltd.
 Sika (Thailand) Ltd. Industrial SpecialtiesProcess Industries Manufactures and distributes chemicals | Process Industries |
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