Hank Slack
Net worth: 2 M $ as of 31/05/2026
Net worth: 2 M $ as of 31/05/2026
Henry R.
Slack currently works at Castleton Commodities International LLC (Texas), as Chairman, Castleton Commodities International LLC, as Chairman from 2022, Alico Land Development, Inc., as Director, Quarterwatch LLC, as Managing Director, Raritan Headquarters Association, as Trustee, and Rinyami LLC, as Member.
Mr. Slack also formerly worked at Minorco SA, as Chief Executive Officer from 1991 to 1999, Terra Industries, Inc., as Chairman from 2001 to 2010, First Africa Group Holdings Pty Ltd, as Chairman from 2006 to 2009, Task (USA), Inc., as Chairman from 1999 to 2002, Engelhard Corp., as Director from 1981 to 2006, W.
R.
Grace & Co.-Conn., as Independent Director, Anglo American Plc, as Director from 1980 to 2000, ABI SAB Group Holding Ltd., as Director from 1998 to 2002, African Gold Plc, as Director, Anglo American Corporation of South Africa (Pty) Ltd., as Director from 1981 to 1999, BASF Catalysts LLC, as Director, Solomon Brothers, as Director from 1982 to 1988, Salomon Brothers, Inc., as Director from 1982 to 1988, E.
Oppenheimer & Son International Ltd., as Director, Alico, Inc., as Independent Director from 2019 to 2026, SAB Miller Plc, as Director from 1998 to 2002, and Anglo-American Corp., as Director from 1981 to 1999.
Mr. Slack received his undergraduate degree from Princeton University.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ALICO, INC. 0.5% | 02/01/2026 | 37,008 ( 0.5% ) | 2 M $ | 31/05/2026 |
| Companies | Position | Start |
|---|---|---|
Quarterwatch LLC | Corporate Officer/Principal | - |
Raritan Headquarters Association | Director/Board Member | - |
Castleton Commodities International LLC
Castleton Commodities International LLC Gas DistributorsUtilities Engages in marketing, merchandising and trading of energy commodities & invests in infrastructure assets | Chairman | 01/01/2022 |
Alico Land Development, Inc.
Alico Land Development, Inc. Agricultural Commodities/MillingProcess Industries Deals in citrus fruit production, cattle ranching, sugarcane and sod production, and forestry | Director/Board Member | - |
Rinyami LLC | Corporate Officer/Principal | - |
Castleton Commodities International LLC (Texas)
Castleton Commodities International LLC (Texas) Investment Banks/BrokersFinance Provides energy commodity trading and investment services | Chairman | - |
| Companies | Position | End |
|---|---|---|
| ALICO, INC. | Chairman | 01/07/2019 |
Terra Industries, Inc.
Terra Industries, Inc. Chemicals: AgriculturalProcess Industries Manufactures and distributes chemical fertilizers | Chairman | 01/01/2010 |
First Africa Group Holdings Pty Ltd
First Africa Group Holdings Pty Ltd Investment Banks/BrokersFinance Provides investment banking services | Chairman | 01/01/2009 |
| ░░░░░░░░░ ░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░ ░░░░ ░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 24 |
|---|---|
Alico, Inc.
Alico, Inc. Agricultural Commodities/MillingProcess Industries Engages in citrus production, water conservation, and leasing of grazing rights | Process Industries |
Engelhard Corp.
Engelhard Corp. Chemicals: Major DiversifiedProcess Industries Manufactures and develops chemical products for commercial usage | Process Industries |
Terra Industries, Inc.
Terra Industries, Inc. Chemicals: AgriculturalProcess Industries Manufactures and distributes chemical fertilizers | Process Industries |
W. R. Grace & Co.-Conn.
W. R. Grace & Co.-Conn. Chemicals: Major DiversifiedProcess Industries Manufactures and markets chemical catalysts, absorbents & synthetic silicas | Process Industries |
Anglo American Plc
Anglo American Plc Other Metals/MineralsNon-Energy Minerals Explores and mines precious base & ferrous metals | Non-Energy Minerals |
ABI SAB Group Holding Ltd.
ABI SAB Group Holding Ltd. Beverages: AlcoholicConsumer Non-Durables Engages in manufacturing and distributing beers and beverages | Consumer Non-Durables |
African Gold Plc
African Gold Plc Precious MetalsNon-Energy Minerals Explores gold and minerals in Africa | Non-Energy Minerals |
Minorco SA
Minorco SA Other Metals/MineralsNon-Energy Minerals Mines for other metals | Non-Energy Minerals |
First Africa Group Holdings Pty Ltd
First Africa Group Holdings Pty Ltd Investment Banks/BrokersFinance Provides investment banking services | Finance |
Anglo American Corporation of South Africa (Pty) Ltd.
Anglo American Corporation of South Africa (Pty) Ltd. Other Metals/MineralsNon-Energy Minerals Mines minerals | Non-Energy Minerals |
Princeton University
Princeton University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
BASF Catalysts LLC
BASF Catalysts LLC Integrated OilEnergy Minerals Manufactures and supplies fuels & chemicals | Energy Minerals |
Solomon Brothers
Solomon Brothers Miscellaneous Commercial ServicesCommercial Services Solomon Brothers is a private company based in Perth, Australia. | Commercial Services |
Task (USA), Inc.
Task (USA), Inc. Investment ManagersFinance Acts as an alternative investment manager | Finance |
Salomon Brothers, Inc.
Salomon Brothers, Inc. Investment Banks/BrokersFinance Investment banking services | Finance |
Castleton Commodities International LLC
Castleton Commodities International LLC Gas DistributorsUtilities Engages in marketing, merchandising and trading of energy commodities & invests in infrastructure assets | Utilities |
E. Oppenheimer & Son International Ltd. | |
Alico Land Development, Inc.
Alico Land Development, Inc. Agricultural Commodities/MillingProcess Industries Deals in citrus fruit production, cattle ranching, sugarcane and sod production, and forestry | Process Industries |
Quarterwatch LLC | |
Raritan Headquarters Association | |
Castleton Commodities International LLC (Texas)
Castleton Commodities International LLC (Texas) Investment Banks/BrokersFinance Provides energy commodity trading and investment services | Finance |
Rinyami LLC | |
Anglo American Corp. | |
SAB Miller Plc
SAB Miller Plc Beverages: AlcoholicConsumer Non-Durables Operates as a holding company whose subsidiaries engages in brewing and beverage activities | Consumer Non-Durables |
Select your edition
All financial news and data tailored to specific country editions