![William Lambert](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>)
William Lambert
Chairman at
KENNAMETAL INC.
Net worth: 17 M $ as of 2026-09-29
Profile
William M. Lambert is on the board of Kennametal, Inc., MAPI, Inc. and MSA Safety, Inc. (former Non-Executive Chairman) and Chairman at Senator John Heinz History Center. In his past career he occupied the position of President, Chief Executive Officer & Director at Mine Safety Appliances Co. LLC and Chairman for International Safety Equipment Association. William M. Lambert received an undergraduate degree from The Pennsylvania State University and an MBA and a graduate degree from Carnegie Mellon University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
MSA SAFETY, INC. 0.21% | 2026-09-13 | 81,376 ( 0.21% ) | 14 M $ | 2026-09-29 |
KENNAMETAL INC. 0.11% | 2026-08-14 | 82,898 ( 0.11% ) | 3 M $ | 2026-09-29 |
William Lambert active positions
| Companies | Position | Start |
|---|---|---|
| MSA SAFETY INCORPORATED | Director/Board Member | 2020-05-11 |
| KENNAMETAL INC. | Chairman | 2023-10-31 |
MAPI, Inc.
 MAPI, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that connects manufacturing leaders with the ideas they need to make smarter decisions | Director/Board Member | - |
Senator John Heinz History Center
 Senator John Heinz History Center Other Consumer ServicesConsumer Services The Senator John Heinz History Center is dedicated to preserving and presenting over 250 years of western Pennsylvania’s history and heritage. The non-profit company is based in Pittsburgh, PA. The center features six floors of interactive exhibitions showcasing artifacts such as the original TV set from “Mister Rogers’ Neighborhood” and the world’s oldest Jeep. Its family of museums includes the Franco Harris Sports Museum, the Fort Pitt Museum, and the Meadowcroft Rockshelter and Historic Village. The center houses the Thomas & Katherine Detre Library & Archives, offering research collections and special ethnic programs like the African American Program, Italian American Program, and the Rauh Jewish History Program & Archives. The history center provides educational programs, public events, and digital resources such as online catalogs, digitized archives, and a quarterly western history magazine. Founded in 1879 as the Historical Society of Western Pennsylvania, it is the region’s oldest cultural institution. | Chairman | - |
Former positions of William Lambert
| Companies | Position | End |
|---|---|---|
| EQT CORPORATION | Director/Board Member | 2019-07-09 |
Mine Safety Appliances Co. LLC
 Mine Safety Appliances Co. LLC Medical SpecialtiesHealth Technology Engages in development, manufacturing and supply of safety products | Chief Executive Officer | 2018-04-30 |
International Safety Equipment Association
 International Safety Equipment Association Miscellaneous Commercial ServicesCommercial Services The International Safety Equipment Association (ISEA) is an industry organization dedicated to advancing personal protective equipment (PPE) standards, advocacy, education, and market intelligence. The non-profit company is based in Arlington, VA. Cam Mackey has been the CEO of the company since 2022. It represents manufacturers, distributors, test labs, suppliers, and service providers, supporting workers across various sectors by promoting safety products and consensus-based ANSI-approved standards for PPE categories such as eye and face protection, fall protection, respiratory protection, hand and head protection, and more. ISEA develops and maintains voluntary performance standards through a transparent consensus process involving producers, users, regulators, and experts, and collaborates with international standards organizations. The association provides resources including a buyers guide, safety professional toolkits, educational programs, webinars, and industry insights, and advocates for the PPE industry before regulatory bodies. Members have access to market data, economic analyses, and policy tracking tools, and annual events facilitate networking and standards development. | Chairman | - |
Education of William Lambert
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
85
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
EQT Corp.
 EQT Corp. Integrated OilEnergy Minerals Engages in production of natural gas, NGLs and oil | Energy Minerals |
Kennametal, Inc.
 Kennametal, Inc. Industrial MachineryProducer Manufacturing Manufactures cutting tools and tooling systems | Producer Manufacturing |
Mine Safety Appliances Co. LLC
Mine Safety Appliances Co. LLC Medical SpecialtiesHealth Technology Engages in development, manufacturing and supply of safety products | Health Technology |
Carnegie Mellon University
 Carnegie Mellon University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Pennsylvania State University
 The Pennsylvania State University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
MAPI, Inc.
MAPI, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that connects manufacturing leaders with the ideas they need to make smarter decisions | Commercial Services |
International Safety Equipment Association
International Safety Equipment Association Miscellaneous Commercial ServicesCommercial Services The International Safety Equipment Association (ISEA) is an industry organization dedicated to advancing personal protective equipment (PPE) standards, advocacy, education, and market intelligence. The non-profit company is based in Arlington, VA. Cam Mackey has been the CEO of the company since 2022. It represents manufacturers, distributors, test labs, suppliers, and service providers, supporting workers across various sectors by promoting safety products and consensus-based ANSI-approved standards for PPE categories such as eye and face protection, fall protection, respiratory protection, hand and head protection, and more. ISEA develops and maintains voluntary performance standards through a transparent consensus process involving producers, users, regulators, and experts, and collaborates with international standards organizations. The association provides resources including a buyers guide, safety professional toolkits, educational programs, webinars, and industry insights, and advocates for the PPE industry before regulatory bodies. Members have access to market data, economic analyses, and policy tracking tools, and annual events facilitate networking and standards development. | Commercial Services |
Senator John Heinz History Center
Senator John Heinz History Center Other Consumer ServicesConsumer Services The Senator John Heinz History Center is dedicated to preserving and presenting over 250 years of western Pennsylvania’s history and heritage. The non-profit company is based in Pittsburgh, PA. The center features six floors of interactive exhibitions showcasing artifacts such as the original TV set from “Mister Rogers’ Neighborhood” and the world’s oldest Jeep. Its family of museums includes the Franco Harris Sports Museum, the Fort Pitt Museum, and the Meadowcroft Rockshelter and Historic Village. The center houses the Thomas & Katherine Detre Library & Archives, offering research collections and special ethnic programs like the African American Program, Italian American Program, and the Rauh Jewish History Program & Archives. The history center provides educational programs, public events, and digital resources such as online catalogs, digitized archives, and a quarterly western history magazine. Founded in 1879 as the Historical Society of Western Pennsylvania, it is the region’s oldest cultural institution. | Consumer Services |
MSA Safety, Inc.
 MSA Safety, Inc. Electronic Equipment/InstrumentsElectronic Technology Manufactures safety products | Electronic Technology |
- Stock Market
- Insiders
- William Lambert
