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John Clerico
Director/Board Member at
COMMUNITY HEALTH SYSTEMS, INC.
Net worth: 1 M $ as of 30/05/2026
Profile
John A. Clerico is the founder of Chartmark Investments, Inc., founded in 2000, where he holds the title of Chairman.
Mr. Clerico currently serves as Lead Independent Director at Community Health Systems, Inc. since 2022.
Former positions include Executive Chairman at Technip USA, Inc. (Louisiana) from 2010 to 2011; Lead Independent Director at Educational Development Corp.
from 2004 to 2023; Chief Financial Officer, Director & Executive VP at Linde, Inc. (Connecticut) from 1992 to 2000; Independent Director at Drone Aviation Holding Corp.
from 2011 to 2014; Director at Macrosolve, Inc. (Oklahoma); Chief Financial Officer & Treasurer at Union Carbide Corp.
in 1992; Chief Financial Officer at Conoco, Inc. in 1983; Trustee at Oklahoma State University; and Chief Financial Officer at Phillips Petroleum Co. in 1983.
Education includes an undergraduate degree from Oklahoma State University conferred in 1964.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 15/03/2026 | 368,763 ( 0.26% ) | 1 M $ | 30/05/2026 |
John Clerico active positions
| Companies | Position | Start |
|---|---|---|
| COMMUNITY HEALTH SYSTEMS, INC. | Director/Board Member | 31/01/2003 |
Chartmark Investments, Inc.
 Chartmark Investments, Inc. Investment ManagersFinance Provides investment advice | Founder | 31/12/1999 |
Former positions of John Clerico
| Companies | Position | End |
|---|---|---|
| EDUCATIONAL DEVELOPMENT CORPORATION | Director/Board Member | 09/11/2023 |
| COMSOVEREIGN HOLDING CORP. | Director/Board Member | 16/04/2014 |
Technip USA, Inc. (Louisiana)
 Technip USA, Inc. (Louisiana) Engineering & ConstructionIndustrial Services Provides offshore marine construction services | Chief Executive Officer | 28/02/2010 |
Linde, Inc. (Connecticut)
 Linde, Inc. (Connecticut) Chemicals: SpecialtyProcess Industries Produces and distributes industrial gases | Director of Finance/CFO | 31/12/1999 |
Union Carbide Corp.
 Union Carbide Corp. Chemicals: Major DiversifiedProcess Industries Manufactures chemicals and polymers | Director of Finance/CFO | 31/12/1991 |
Training of John Clerico
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
59
1st degree connections
11
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
Educational Development Corp.
 Educational Development Corp. Publishing: Books/MagazinesConsumer Services Publishes children's books and educational books | Consumer Services |
Technip USA, Inc. (Louisiana)
Technip USA, Inc. (Louisiana) Engineering & ConstructionIndustrial Services Provides offshore marine construction services | Industrial Services |
Linde, Inc. (Connecticut)
Linde, Inc. (Connecticut) Chemicals: SpecialtyProcess Industries Produces and distributes industrial gases | Process Industries |
Union Carbide Corp.
Union Carbide Corp. Chemicals: Major DiversifiedProcess Industries Manufactures chemicals and polymers | Process Industries |
Community Health Systems, Inc.
 Community Health Systems, Inc. Hospital/Nursing ManagementHealth Services Operates general acute care hospitals | Health Services |
Conoco, Inc.
 Conoco, Inc. Oil Refining/MarketingEnergy Minerals Explores, refines and sells crude oil, natural gas & related lubricants | Energy Minerals |
Drone Aviation Holding Corp.
 Drone Aviation Holding Corp. Aerospace & DefenseElectronic Technology Designs and develops tethered aerial monitoring and communications platforms | Electronic Technology |
Oklahoma State University
 Oklahoma State University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Phillips Petroleum Co.
 Phillips Petroleum Co. Electronic Equipment/InstrumentsElectronic Technology International, integrated energy company. | Electronic Technology |
Chartmark Investments, Inc.
Chartmark Investments, Inc. Investment ManagersFinance Provides investment advice | Finance |
Macrosolve, Inc. (Oklahoma)
 Macrosolve, Inc. (Oklahoma) Specialty TelecommunicationsCommunications Provides telecommunication services | Communications |
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