William Sandbrook

William Sandbrook

Director/Board Member at KNIFE RIVER CORPORATION

Net worth: 29 M $ as of 2026-05-30

68 year
Non-Energy Minerals
Consumer Services
Industrial Services

Profile

William J.
Sandbrook
is President, Chief Executive Officer & Director at Smith Pre-Cast, Inc. He is Chief Executive Officer at Pebble Lane Associates LLC.
He serves as Executive Chairman at Andretti Acquisition Corp.
II since 2024.
He is an Independent Director at Comfort Systems USA, Inc. since 2018.
He is Director at KRC Materials, Inc. He is Director at NITROcrete LLC since 2020.
He is an Independent Director at Knife River Corp.
since 2023.
He is President at Kurtz Gravel Co., Inc.Former positions include Chief Executive Officer at CRH America, Inc. from 2008 to 2011.
Chairman & Co-Chief Executive Officer at Andretti Acquisition Corp.
from 2022 to 2024.
President & Chief Executive Officer at Ingram Concrete LLC.
Chief Executive Officer at Oldcastle Architectural Products Group in 2008.
Chief Executive Officer at Oldcastle Products & Distribution Group from 2008 to 2011.
President & Chief Executive Officer at Tilcon New York, Inc. from 1995 to 1996.
Chief Executive Officer at CRH Americas Products, Inc. Chairman at National Ready Mixed Concrete Association from 2019 to 2020.
Director at U.S.
Concrete, Inc. from 2020 to 2021.
Director at Concrete, Inc. from 2020 to 2021.
Director & Vice President at Beall Industries, Inc. Director & Vice President at Breckenridge Ready Mix, Inc. Director & Vice President at Alberta Investments, Inc. Director & Vice President at Alliance Haulers, Inc. President-West Division at CRH Americas Materials, Inc. from 2003 to 2006.
Associate Professor at US Military Academy.
Education includes graduate degrees from the University of Pennsylvania, Salve Regina University, and Naval War College.
Holds an MBA from The Wharton School of the University of Pennsylvania.
Undergraduate degree from US Military Academy, conferred in 1979.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
2026-05-17 7,771 ( 0.02% ) 14 M $ 2026-05-30
9.47%
2025-12-03 15,396,567 ( 9.47% ) 14 M $ 2026-05-30
2026-05-19 7,735 ( 0.01% ) 607 275 $ 2026-05-30

William Sandbrook active positions

CompaniesPositionStart
COMFORT SYSTEMS USA, INC. Director/Board Member 2018-04-05
KNIFE RIVER CORPORATION Director/Board Member 2023-05-30
Chief Executive Officer -
Director/Board Member -
Director/Board Member 2020-10-26
President -
Chief Executive Officer -

Former positions of William Sandbrook

CompaniesPositionEnd
ZAPATA COMPUTING HOLDINGS INC. Chief Executive Officer 2024-03-31
U.S. CONCRETE, INC. Chief Executive Officer 2020-04-02
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See the detail of William Sandbrook's experience

Training of William Sandbrook

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

55

1st degree connections

27

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies27

Industrial Services

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Consumer Services

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Non-Energy Minerals

Distribution Services

Non-Energy Minerals

Consumer Services

Consumer Services

Consumer Services

Non-Energy Minerals

Non-Energy Minerals

Transportation

Non-Energy Minerals

National Ready Mixed Concrete Association

Commercial Services

Non-Energy Minerals

Non-Energy Minerals

Miscellaneous

Consumer Services

Finance

Industrial Services

Non-Energy Minerals

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