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Maamoun Rajeh
President at
ARCH CAPITAL GROUP LTD.
Net worth: 46 M $ as of 2026-06-29
Profile
Maamoun Rajeh is currently Chairman & Chief Executive Officer at Arch Worldwide Reinsurance Group since 2017.
Holds director positions at Somers Group Holdings Ltd., Somers Re Ltd., and Premia Holdings Ltd. Since 2001, serves as President at Arch Capital Group Ltd. Formerly President & Chief Executive Officer at Arch Reinsurance Europe Underwriting DAC from 2012 to 2014.
Served as Assistant Vice President at Hartree Partners LP from 1999 to 2001.
Completed undergraduate education at The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-08 | 468,978 ( 0.13% ) | 46 M $ | 2026-06-29 |
Maamoun Rajeh active positions
| Companies | Position | Start |
|---|---|---|
| WATFORD HOLDINGS LTD. | Director/Board Member | - |
| ARCH CAPITAL GROUP LTD. | President | 2024-11-06 |
Arch Worldwide Reinsurance Group
 Arch Worldwide Reinsurance Group Specialty InsuranceFinance Provides reinsurance services | Chief Executive Officer | 2017-09-30 |
Somers Re Ltd.
 Somers Re Ltd. Multi-Line InsuranceFinance Operates as a property and casualty insurance & reinsurance company | Director/Board Member | - |
Premia Holdings Ltd.
 Premia Holdings Ltd. Insurance Brokers/ServicesFinance Provides insurance and reinsurance services for run off liabilities | Director/Board Member | - |
Former positions of Maamoun Rajeh
| Companies | Position | End |
|---|---|---|
Arch Reinsurance Europe Underwriting DAC
 Arch Reinsurance Europe Underwriting DAC Specialty InsuranceFinance Provides reinsurance services | Chief Executive Officer | 2014-06-30 |
Hartree Partners LP
 Hartree Partners LP Investment Banks/BrokersFinance Operates as an energy and commodities trading company | Corporate Officer/Principal | 2000-12-31 |
Training of Maamoun Rajeh
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
33
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Arch Capital Group Ltd.
 Arch Capital Group Ltd. Multi-Line InsuranceFinance Provides property and casualty insurance and reinsurance services | Finance |
Somers Group Holdings Ltd.
 Somers Group Holdings Ltd. Multi-Line InsuranceFinance Operates as a holding company whose subsidiaries provides property and casualty insurance & reinsurance services | Finance |
Arch Worldwide Reinsurance Group
Arch Worldwide Reinsurance Group Specialty InsuranceFinance Provides reinsurance services | Finance |
Arch Reinsurance Europe Underwriting DAC
Arch Reinsurance Europe Underwriting DAC Specialty InsuranceFinance Provides reinsurance services | Finance |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Somers Re Ltd.
Somers Re Ltd. Multi-Line InsuranceFinance Operates as a property and casualty insurance & reinsurance company | Finance |
Premia Holdings Ltd.
Premia Holdings Ltd. Insurance Brokers/ServicesFinance Provides insurance and reinsurance services for run off liabilities | Finance |
Hartree Partners LP
Hartree Partners LP Investment Banks/BrokersFinance Operates as an energy and commodities trading company | Finance |
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