Leadership Team


Ryan Mather


Ryan is a Bermuda-based reinsurance executive with 30 years’ experience. He has gained underwriting experience with US Capital, Continental European Capital, and Lloyd’s. 


Darren Lednor

Active Underwriter

Darren has been working in the insurance industry for 20 years across both the London and Bermuda markets and his experience encompasses underwriting, broking, risk and actuarial.


Mike Pedraja

Chief Financial Officer

Mike focuses on Ariel Re’s finance and accounting, capital raising and investor relations. Previously, Mike was Group Treasurer at Allstate and spent over twenty years in investment banking with Managing Director roles at Barclays Capital and Credit Suisse


Gavin Bishop

Chief Operating Officer

Gavin has a unique cross disciplined skill-set and a proven ability to lead and develop teams and departments, making a significant contribution to integrations and bridging gaps. 


Mike Cornish

Chief Underwriter, US & International Property

Mike is based in Bermuda and manages the property treaty account. He was previously with Argo Re since the formation of their treaty portfolio in late 2007, and before that with Kiln Syndicate. 

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Steve O'Flynn

Head of Non-Property Underwriting

Stephan has a long history of growing profitable books of business, setting underwriting strategy and assessing performance. He has extensive knowledge and experience in the professional lines and casualty treaty markets.


Apryle Oswald

Chief Analytics Officer

Apryle is a Fellow of the Casualty Actuarial Society and has a wide range of reinsurance industry experience, including 20 years in the Bermuda market.  Her previous roles include Portfolio Manager at Nephila Capital, Vice President Underwriting at Renaissance Re, and Director of Actuarial Consulting at KPMG.  


Ihab Khalil

SVP, Portfolio Management

Ihab is the head of Portfolio Management. He joined Ariel Re at inception and has almost twenty years of experience building reinsurance pricing and portfolio systems. Prior to joining Ariel Re, he spent four years with Axis Specialty. 

David Hosier

Head of Governance, Risk & Compliance

David is a Chartered Accountant with wide experience in governance, risk and compliance matters for Bermuda reinsurance companies including Lloyd’s syndicates.

Lindsay Hyland

Head of Human Resources

Lindsay brings a broad and deep human resources skill set to Ariel Re’s people function.  Her career which has almost exclusively been in the financial services sector, spans nearly three decades in Bermuda.