Mitch Blaser
Co-Founder & Co-CEO at Mosaic Insurance | Hamilton, Hamilton city, Bermuda
Mitch Blaser’s Email & Phone Number
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Mitch Blaser serves as Co-Founder and Co-CEO of Mosaic Insurance, a Bermuda-headquartered global specialty insurer that underwrites complex products across seven lines of business in seven countries. He earned his degree from the Lubin School of Business at Pace University and co-leads a firm that partners with Lloyd’s Syndicate 1609 to offer custom capacity and full claims authority to trade clients. Blaser is known for steering an award-winning, digitized operating model that utilizes innovative risk selection and robust governance to create balanced insurance portfolios with worldwide market access.
BEST APPROACH TO REACH Mitch Blaser
Reach out to Blaser via LinkedIn with a concise message proposing how your solution can integrate with Mosaic Insurance’s digitized claims authority framework and support expansion across its current international footprint.
Co-Founder & Co-CEO at Mosaic Insurance in January 2021 - Present
Chief Transformation Officer at Liberty Mutual Insurance in January 2018 - December 2019
CEO Iron-Starr Excess Agency at Ironshore Insurance in December 2012 - December 2016
Chief Executive Officer at Ironshore Insurance in December 2008 - December 2016
Chief Financial Officer at Ironshore Insurance in December 2006 - December 2011
Chief Financial Officer, Americas at Swiss Re in December 2000 - December 2005
CFO & Head of Corporate Services at Marsh in December 1972 - December 2000
Pace University - Lubin School of Business, Master of Business Administration - MBA, January 1975 to January 1977
The George Washington University School of Business, January 1969 to January 1973
Mosaic is a global specialty insurer with exceptional expertise, a focus on complex products, and an award-winning, digitized operating model. We underwrite for trade clients alongside our own Lloyd’s Syndicate 1609—offering capacity and custom service across seven lines of business in seven countries. We differentiate ourselves through our people, innovative risk selection, full claims authority, and robust governance and reporting. We provide worldwide market access coupled with local insights to create balanced portfolios for our partners. Through our syndicate, we harness the heritage of Lloyd’s, benefitting from the market’s global licenses and financial-strength ratings.
Discover more about Mosaic Insurance
• IWCA ❤️ • Ex-DoorDash •
Member, Global Charity Forum at Canopius Group
(October 2023 – May 2025)
SVP, Financial Institutions Underwriting Leader, Berkshire Hathaway Specialty Insurance
Assistant Vice President at Berkshire Hathaway Specialty Insurance
(August 2013 – Present)
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Senior Vice President at Aon
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Head of International Transactional Liability, Mosaic Insurance
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(November 2021 – Present)
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Head of Americas, Claims at Mosaic Insurance
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What is Mitch Blaser email address?
Email Mitch Blaser at [email protected]. This email is the most updated Mitch Blaser's email found in 2026.
How to contact Mitch Blaser?
To contact Mitch Blaser send an email to [email protected].
What company does Mitch Blaser work for?
Mitch Blaser works for Mosaic Insurance.
What is Mitch Blaser's role at Mosaic Insurance?
Mitch Blaser is Co-Founder & Co-CEO
