Liberty Mutual Insurance has announced the appointment of Rob Marsh as president of the insurer’s Global Risk Solutions (GRS) North America Specialty division.

Marsh will continue to serve as president and chief agent of Liberty Mutual Canada.

He joined Liberty Mutual in 2011 and has held several key leadership roles since that time. Since 2021, he has led Liberty Mutual Canada, delivering strong growth and profitability while championing innovation and a people-first culture, the insurer says in a press release Tuesday.

“Our Specialty product portfolio is a differentiated strength for Liberty Mutual, anchored in deep expertise, diversified capabilities, and a clear focus on helping clients and brokers navigate complex risk,” says GRS North America president Marc Orloff. “Rob is the right person to build on that foundation, with the experience and leadership to deepen our specialization and accelerate our momentum across North America.”

A Liberty Mutual Insurance spokesperson tells Canadian Underwriter that Marsh “will partner closely across North America to pursue sustainable growth in our portfolio, unlock more seamless delivery of specialty products to existing clients, and build on the strong partnerships in this space.”

Marsh will oversee all areas of retail specialty for North America, the spokesperson says, adding the insurer’s wholesale specialty division is led by Ben Johnson.

The difference between Liberty’s retail specialty lines and wholesale specialty lines involves how the product is distributed. For example, retail specialty lines are distributed through retail brokers, while wholesale lines are distributed through wholesale brokers like MGAs.

Liberty’s specialty lines include cyber, environmental, financial institutions, management liability, marine, mergers and acquisitions, and professional liability.

According to CU’s 2025 Stats Guide, Liberty Mutual Insurance Company is Canada’s 20th largest private P&C insurer with Total Insurance Revenue in 2024 of more than $952 million.

As a whole, the insurer has more than 40,000 employees in 27 countries and economies, generating more than $50 billion in annual consolidated revenue.

It operates through three strategic business units:

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  • GRS — delivering a full range of comprehensive commercial and specialty insurance, reinsurance and surety solutions to mid-size and large businesses worldwide.
  • US Retail Markets — providing auto, home, renters and other personal and small commercial lines P&C insurance to individuals and small businesses countrywide.
  • Liberty Mutual Investments — deploying more than $100 billion of capital globally.

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Jason Contant

Jason has been an award-winning journalist with Canadian Underwriter for more than a decade, including the past three years as associate editor and, before that, as digital editor for seven years.