John Schaller

Corporate Officer/Principal at

American Water Works Association

Net worth: 816 700 $ as of 2026-09-29

71 year

55 connections

Distribution Services

Consumer Services

Commercial Services

Profile

John R.
Schaller is currently President-Waterworks at Core & Main Holdings LP since 2019 and President-Waterworks at Oppenheimer Trust Co. since 2018.
Memberships include the National Utility Contractors Association, American Water Works Association, and Water & Sewer Distributors of America.
Former roles include Executive Vice President at Core & Main, Inc. from 2024 to 2025 and President at Sidener Supply Co. Education includes undergraduate studies at the University of Missouri and an MBA from Webster University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CORE & MAIN, INC. CLASS A 0.01%	2026-04-26	19,689 ( 0.01% )	816 700 $	2026-09-29

John Schaller active positions

Companies	Position	Start
American Water Works Association American Water Works Association Miscellaneous Commercial ServicesCommercial Services Provides water solutions through online	Corporate Officer/Principal	-
National Utility Contractors Association National Utility Contractors Association Miscellaneous Commercial ServicesCommercial Services Operates as a construction association	Corporate Officer/Principal	-
Water & Sewer Distributors of America	Corporate Officer/Principal	-
Core & Main Holdings LP Core & Main Holdings LP Wholesale DistributorsDistribution Services Operates as a holding company whose subsidiary distributes water infrastructure products	Corporate Officer/Principal	2019-07-31
Oppenheimer Trust Co. Oppenheimer Trust Co. Investment Banks/BrokersFinance Part of Oppenheimer Holdings, Inc., Oppenheimer Trust Co. is a company based in New York, NY.	Corporate Officer/Principal	2017-12-31

All active positions of John Schaller

Former positions of John Schaller

Companies	Position	End
CORE & MAIN, INC.	President	2024-07-21
Sidener Supply Co. Sidener Supply Co. Wholesale DistributorsDistribution Services Distributes waterworks equipment, supplies and equipment	President	-

See the detail of John Schaller's experience

Education of John Schaller

Experiences
Positions held

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Inactive

Listed companies

Private companies

See the detail of John Schaller's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	9
University of Missouri University of Missouri Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Sidener Supply Co. Sidener Supply Co. Wholesale DistributorsDistribution Services Distributes waterworks equipment, supplies and equipment	Distribution Services
Webster University Webster University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
National Utility Contractors Association National Utility Contractors Association Miscellaneous Commercial ServicesCommercial Services Operates as a construction association	Commercial Services
American Water Works Association American Water Works Association Miscellaneous Commercial ServicesCommercial Services Provides water solutions through online	Commercial Services
Oppenheimer Trust Co. Oppenheimer Trust Co. Investment Banks/BrokersFinance Part of Oppenheimer Holdings, Inc., Oppenheimer Trust Co. is a company based in New York, NY.	Finance
Core & Main Holdings LP Core & Main Holdings LP Wholesale DistributorsDistribution Services Operates as a holding company whose subsidiary distributes water infrastructure products	Distribution Services
Core & Main, Inc. Core & Main, Inc. Wholesale DistributorsDistribution Services Distributes water, sewer, storm drain and fire protection products	Distribution Services
Water & Sewer Distributors of America