![Geoffrey Cumming](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Geoffrey Cumming
Chief Executive Officer at
Karori Capital Ltd.
Net worth: 69 M $ as of 31/08/2026
Profile
Geoffrey A. Cumming is currently Chairman & Chief Executive Officer at Karori Capital Ltd., Chairman at OptiSolar, Inc., Non-Executive Director at Ryman Healthcare Ltd. since 2018, and Director at Amira Medical Technologies, Inc. Former positions include Director at GSW, Inc., Director at Ryman Healthcare Ltd. from 1999 to 2000, Director at Cyries Energy, Inc., Director at Cequence Energy Ltd., and Advisory Board Member at Kensington Capital Partners Ltd. Education includes undergraduate studies at the University of Calgary and graduate studies at the London School of Economics & Political Science.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 17/04/2026 | 55,900,000 ( 5.5% ) | 69 M $ | 31/08/2026 |
Geoffrey Cumming active positions
| Companies | Position | Start |
|---|---|---|
OptiSolar, Inc.
 OptiSolar, Inc. SemiconductorsElectronic Technology Develops and manufactures photovoltaic solar panels | Chairman | - |
Karori Capital Ltd.
 Karori Capital Ltd. Financial ConglomeratesFinance Provides financial services | Chief Executive Officer | - |
Amira Medical Technologies, Inc. | Director/Board Member | - |
Former positions of Geoffrey Cumming
| Companies | Position | End |
|---|---|---|
| RYMAN HEALTHCARE LIMITED | Director/Board Member | 01/08/2024 |
Kensington Capital Partners Ltd.
 Kensington Capital Partners Ltd. Investment ManagersFinance Kensington Capital Partners invests in middle market companies located across North America. The firm targets companies operating in the fields of business services, manufacturing, healthcare and consumer sectors. It provides financing for growth and buyout capital requirements. The firm acts as a lead investor and makes co-investments. It acquires majority and control interest. | Private Equity Investor | 31/10/2008 |
GSW, Inc.
 GSW, Inc. Building ProductsProducer Manufacturing Manufactures residential and commercial water heaters | Director/Board Member | 13/08/2007 |
| RYMAN HEALTHCARE LIMITED | Director/Board Member | 01/01/2000 |
| CEQUENCE ENERGY LTD. | Director/Board Member | - |
Training of Geoffrey Cumming
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
33
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
GSW, Inc.
GSW, Inc. Building ProductsProducer Manufacturing Manufactures residential and commercial water heaters | Producer Manufacturing |
Ryman Healthcare Ltd.
 Ryman Healthcare Ltd. Medical/Nursing ServicesHealth Services Develops, owns and operates retirement villages, rest homes and hospitals | Health Services |
Cyries Energy, Inc.
 Cyries Energy, Inc. Contract DrillingIndustrial Services Explores oil and natural gas | Industrial Services |
University of Calgary
 University of Calgary Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Kensington Capital Partners Ltd.
Kensington Capital Partners Ltd. Investment ManagersFinance Kensington Capital Partners invests in middle market companies located across North America. The firm targets companies operating in the fields of business services, manufacturing, healthcare and consumer sectors. It provides financing for growth and buyout capital requirements. The firm acts as a lead investor and makes co-investments. It acquires majority and control interest. | Finance |
London School of Economics & Political Science
 London School of Economics & Political Science Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Cequence Energy Ltd.
 Cequence Energy Ltd. Financial ConglomeratesFinance Engages in acquisition, exploration, development and production of petroleum and natural gas | Finance |
OptiSolar, Inc.
OptiSolar, Inc. SemiconductorsElectronic Technology Develops and manufactures photovoltaic solar panels | Electronic Technology |
Karori Capital Ltd.
Karori Capital Ltd. Financial ConglomeratesFinance Provides financial services | Finance |
Amira Medical Technologies, Inc. |
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