John Altmeyer
Net worth: 29 M $ as of 31/05/2026
Net worth: 29 M $ as of 31/05/2026
John W.
Altmeyer is Executive Chairman at GAF Materials LLC since 2026.
He is an Independent Director at EMCOR Group, Inc. since 2014.
He serves as Director at CornellCookson LLC and Director-Emeritus at Whitaker Center for Science & The Arts.
He is an Independent Director at UTZ Brands, Inc. since 2020.
Formerly, Mr. Altmeyer was President & Chief Executive Officer at Carlisle SynTec, Inc. from 1997 to 2018 and at Carlisle Construction Materials LLC from 1989 to 2018.
He was an Independent Director at Berkshire Hills Bancorp, Inc. from 2012 to 2015.
He was Director at Tecta America Corp.
from 2019 to 2021.
He was an Independent Director at Beacon Federal from 2011 to 2013 and at Beacon Federal Bancorp, Inc. from 2011 to 2012.
He was Director at Berkshire Bank (Pittsfield, Massachusetts) from 2013 to 2015.
He was Principal at Carrier Corp.
in 1987.
Mr. Altmeyer completed undergraduate studies at Cornell University and earned an MBA from Harvard Business School.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
EMCOR GROUP, INC. 0.08% | 04/06/2026 | 33,920 ( 0.08% ) | 28 M $ | 31/05/2026 |
| 23/04/2026 | 67,573 ( 0.08% ) | 494 634 $ | 31/05/2026 |
| Companies | Position | Start |
|---|---|---|
| EMCOR GROUP, INC. | Director/Board Member | 23/10/2014 |
| UTZ BRANDS, INC. | Director/Board Member | 28/08/2020 |
CornellCookson LLC
CornellCookson LLC Miscellaneous ManufacturingProducer Manufacturing Manufactures & distributes doors and closure products | Director/Board Member | - |
Whitaker Center for Science & The Arts
Whitaker Center for Science & The Arts Whitaker Center for Science & The Arts is a non-profit center for the arts, education, entertainment, and cultural enrichment. The private company is based in Harrisburg, PA. The center comprises four main venues: the UPMC Science Center, PNC Innovation Zone, Sunoco Performance Theater, and Select Medical Digital Cinema Theater, offering interactive exhibits, educational films, live performances, and technology experiences. It provides educational programs for all ages, including youth camps, coding clubs, STEM events for high school girls, themed birthday parties, and outreach initiatives. Exhibits and hands-on STEAM labs foster curiosity and creativity, while the PNC Innovation Zone features gaming and coding studios to make STEM accessible. Family-friendly programs, sensory-inclusive events, and educational field trips connect classroom learning with real-world exploration. The company was founded by William Lehr. | Director/Board Member | - |
GAF Materials LLC
GAF Materials LLC Construction MaterialsNon-Energy Minerals Manufactures roofing and waterproofing products | Chairman | 01/01/2026 |
| Companies | Position | End |
|---|---|---|
Tecta America Corp.
Tecta America Corp. Engineering & ConstructionIndustrial Services Provides commercial roofing contracting services | Director/Board Member | 01/02/2021 |
Carlisle Construction Materials LLC
Carlisle Construction Materials LLC Miscellaneous ManufacturingProducer Manufacturing Manufactures rubber construction materials, transportation products and general industry products | Chief Executive Officer | 12/09/2018 |
Carlisle SynTec, Inc.
Carlisle SynTec, Inc. Miscellaneous ManufacturingProducer Manufacturing Manufactures single-ply roofing systems and materials | Chief Executive Officer | 01/09/2018 |
Berkshire Hills Bancorp, Inc.
Berkshire Hills Bancorp, Inc. Regional BanksFinance Functions as a bank holding company whose subsidiaries provides state banking services | Director/Board Member | 23/04/2015 |
| ░░░░░░ ░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 15 |
|---|---|
EMCOR Group, Inc.
EMCOR Group, Inc. Engineering & ConstructionIndustrial Services Provides mechanical, building, electrical, and industrial services | Industrial Services |
Berkshire Hills Bancorp, Inc.
Berkshire Hills Bancorp, Inc. Regional BanksFinance Functions as a bank holding company whose subsidiaries provides state banking services | Finance |
Carrier Corp.
Carrier Corp. Industrial MachineryProducer Manufacturing Manufactures air conditioning, heating & refrigeration equipment | Producer Manufacturing |
Carlisle SynTec, Inc.
Carlisle SynTec, Inc. Miscellaneous ManufacturingProducer Manufacturing Manufactures single-ply roofing systems and materials | Producer Manufacturing |
Berkshire Bank (Pittsfield, Massachusetts)
Berkshire Bank (Pittsfield, Massachusetts) Regional BanksFinance Operates commercial banks | Finance |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
CornellCookson LLC
CornellCookson LLC Miscellaneous ManufacturingProducer Manufacturing Manufactures & distributes doors and closure products | Producer Manufacturing |
Tecta America Corp.
Tecta America Corp. Engineering & ConstructionIndustrial Services Provides commercial roofing contracting services | Industrial Services |
Beacon Federal
Beacon Federal Regional BanksFinance State commercial bank | Finance |
Beacon Federal Bancorp, Inc.
Beacon Federal Bancorp, Inc. Savings BanksFinance Operates as a bank holding company which provides banking services | Finance |
Whitaker Center for Science & The Arts
Whitaker Center for Science & The Arts Whitaker Center for Science & The Arts is a non-profit center for the arts, education, entertainment, and cultural enrichment. The private company is based in Harrisburg, PA. The center comprises four main venues: the UPMC Science Center, PNC Innovation Zone, Sunoco Performance Theater, and Select Medical Digital Cinema Theater, offering interactive exhibits, educational films, live performances, and technology experiences. It provides educational programs for all ages, including youth camps, coding clubs, STEM events for high school girls, themed birthday parties, and outreach initiatives. Exhibits and hands-on STEAM labs foster curiosity and creativity, while the PNC Innovation Zone features gaming and coding studios to make STEM accessible. Family-friendly programs, sensory-inclusive events, and educational field trips connect classroom learning with real-world exploration. The company was founded by William Lehr. | |
Carlisle Construction Materials LLC
Carlisle Construction Materials LLC Miscellaneous ManufacturingProducer Manufacturing Manufactures rubber construction materials, transportation products and general industry products | Producer Manufacturing |
Harvard Business School
Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
GAF Materials LLC
GAF Materials LLC Construction MaterialsNon-Energy Minerals Manufactures roofing and waterproofing products | Non-Energy Minerals |
UTZ Brands, Inc.
UTZ Brands, Inc. Food: Specialty/CandyConsumer Non-Durables Manufactures potato chips and snacks | Consumer Non-Durables |
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