William Mathis

Chief Executive Officer at

Conti Street Partners LLC

Net worth: 33 M $ as of 30/09/2026

60 year

46 connections

Consumer Services

Miscellaneous

Health Services

Profile

William Nelson Mathis is Chairman at Australis Aquaculture LLC since 2009.
Holds Director positions at Texas Children's Hospital, The Texas Medical Center, The Museum of Fine Arts, Houston, The Brown Foundation, Inc., Chinquapin Preparatory School, and Black Stone Minerals GP LLC since 2015.
Serves as Director at Grb Partnership since 1998.
Managing Partner at Conti Street Partners LLC since 2001.
Managing Member at Wellspring Energy Partners LP since 2012.
Former Director at Highland Copper Co., Inc. and Davidson College.
Director at Wilson Industries, Inc. from 1994 to 1998.
Director at Paradigm Services LP from 1998 to 2008.
Director at Black Stone Natural Resources LLC from 2009 to 2015.
Director at Entouch Communications from 1999 to 2007.
Independent Director at Black Stone Minerals LP from 2015 to 2025.
Completed undergraduate degree at Davidson College.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
BLACK STONE MINERALS LP 1.07%	03/10/2025	2,271,376 ( 1.07% )	33 M $	30/09/2026

William Mathis active positions

Companies	Position	Start
The Museum of Fine Arts, Houston The Museum of Fine Arts, Houston Other Consumer ServicesConsumer Services Owns and operates Museum	Director/Board Member	-
Black Stone Minerals GP LLC Black Stone Minerals GP LLC Investment Trusts/Mutual FundsMiscellaneous Engages in the acquisitions of mineral and royalty interests	Director/Board Member	01/03/2015
Conti Street Partners LLC Conti Street Partners LLC Miscellaneous Commercial ServicesCommercial Services Provides business support services	Chief Executive Officer	01/01/2001
Australis Aquaculture LLC Australis Aquaculture LLC Food DistributorsDistribution Services Provides seafood products	Chairman	01/01/2009
Wellspring Energy Partners LP	Corporate Officer/Principal	01/01/2012
The Texas Medical Center The Texas Medical Center Medical/Nursing ServicesHealth Services Provides healthcare services	Director/Board Member	-
Texas Children's Hospital Texas Children's Hospital Hospital/Nursing ManagementHealth Services Provides health care services	Director/Board Member	-
The Brown Foundation, Inc. The Brown Foundation, Inc. Investment ManagersFinance Distributes funds for public charitable purposes	Director/Board Member	-
Grb Partnership	Director/Board Member	01/01/1998
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All active positions of William Mathis

Former positions of William Mathis

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See the detail of William Mathis's experience

Education of William Mathis

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

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Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	17
Highland Copper Co., Inc. Highland Copper Co., Inc. Other Metals/MineralsNon-Energy Minerals Engages in copper and other mineral exploration	Non-Energy Minerals
Black Stone Minerals LP Black Stone Minerals LP Investment Trusts/Mutual FundsMiscellaneous Operates as an oil and gas royalty trust	Miscellaneous
Wilson Industries, Inc. Wilson Industries, Inc. Oilfield Services/EquipmentIndustrial Services Provides of pipe, valve and valve automation, fittings, mill and tool supplies, safety products & artificial lift systems	Industrial Services
Davidson College Davidson College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Texas Children's Hospital Texas Children's Hospital Hospital/Nursing ManagementHealth Services Provides health care services	Health Services
The Texas Medical Center The Texas Medical Center Medical/Nursing ServicesHealth Services Provides healthcare services	Health Services
The Museum of Fine Arts, Houston The Museum of Fine Arts, Houston Other Consumer ServicesConsumer Services Owns and operates Museum	Consumer Services
Paradigm Services LP Paradigm Services LP Other Consumer ServicesConsumer Services Provides industrial repair and remanufacturing services	Consumer Services
The Brown Foundation, Inc. The Brown Foundation, Inc. Investment ManagersFinance Distributes funds for public charitable purposes	Finance
Australis Aquaculture LLC Australis Aquaculture LLC Food DistributorsDistribution Services Provides seafood products	Distribution Services
Black Stone Natural Resources LLC Black Stone Natural Resources LLC Wholesale DistributorsDistribution Services Wholesales building stones	Distribution Services
Black Stone Minerals GP LLC Black Stone Minerals GP LLC Investment Trusts/Mutual FundsMiscellaneous Engages in the acquisitions of mineral and royalty interests	Miscellaneous
Conti Street Partners LLC Conti Street Partners LLC Miscellaneous Commercial ServicesCommercial Services Provides business support services	Commercial Services
Wellspring Energy Partners LP
Chinquapin Preparatory School Chinquapin Preparatory School Other Consumer ServicesConsumer Services Operates as a nonprofit private and boarding college-preparatory school	Consumer Services
Entouch Communications
Grb Partnership