About

Chris Donahue joined Argo Group in November 2023. As Chief Executive Officer, he is responsible for setting the strategic direction for the company and managing its overall operations. Donahue also serves as a managing director at Brookfield Wealth Solutions. In this role, he focuses on investments in the property and casualty sector. Donahue previously served as Argo’s Chief Financial Officer. Prior to Argo, he held roles at Lazard and Morgan Stanley. He has a Master of Business Administration from the University of Virginia Darden School of Business and a master’s degree in modern history from the University of St. Andrews.

David Chan joined Argo Group in February 2022. As Chief Financial Officer, he is responsible for reporting on the company’s financial standing to shareholders and mapping projections for the company’s financial future. Chan previously served as Chief Accounting Officer at Argo Group. Prior to that, he was Vice President, North American Controller at AmTrust. He also held senior roles at Moody’s and S&P Global Ratings. Chan earned his bachelor’s degree in accounting from the City University of New York – Queens College and started his career as an auditor at PwC, New York.

Michael Tiliakos joined Argo Group in April 2020. As General Counsel he is responsible for overseeing the company’s legal and compliance teams. Tiliakos previously served as Vice President and Assistant General Counsel at Argo Group. Prior to Argo Group, Tiliakos held numerous positions in the legal field, including positions at Goodman Networks and Duane Morris LLP. He has a JD, Law from New York Law School and a Bachelor of Arts in Administration of Justice from Penn State University.

David Corry joined Argo Group in September 2020. As Head of Casualty, he is responsible for leading Primary Casualty, Excess Casualty, Construction, Environmental, Rockwood, and Bermuda Casualty.  Corry previously served as Senior Vice President, Head of Environmental at Argo Group. He has in-depth experience in all lines of casualty insurance, having served as Senior Director at Markel Specialty and Vice President at Liberty Mutual. He also held senior positions at Chubb and Crum & Forster. Corry is a veteran of the armed forces, having served for 29 years in the Air National Guard, retiring with the rank of Lieutenant Colonel. 

Ari Chester joined Argo Group in November 2023. As Head of Specialty Property & Programs, he oversees the Garage, Inland Marine and Alternative Risk and Programs businesses.  Chester previously served as Head of Reinsurance for the U.S. and Canada at SiriusPoint. Prior to that, he was a Partner at McKinsey & Company. Over his 14 years at the firm, he held several leadership roles in the insurance practice, including Underwriting, Risk, Strategy, and Advanced Analytics, and focused generally on commercial lines and specialty markets. Chester has a Master of Business Administration from The Wharton School, University of Pennsylvania; a Bachelor of Fine Arts from New York University; and holds the CPCU and ARe designations. 

Stephen Perrella joined Argo Group in January 2025. As Chief Claims Officer, he is responsible for managing and implementing claims programs for all lines of insurance and ensuring our claims processes continue to deliver exceptional service to our clients and policyholders. Perrella previously held Claims leadership roles at Vantage Risk Companies and Aspen Insurance Group. He has a Juris Doctor from Villanova University Charles Widger School of Law and a bachelor’s degree in economics from Villanova.

Atul Malhotra joined Argo Group in May 2025. As Chief Pricing Actuary, he is responsible for the pricing function and strategy across all product lines. Malhotra has more than 25 years of actuarial experience in the Property & Casualty industry. He previously served as Global Chief Pricing Officer at Liberty Mutual. Prior to that, he held similar roles at Ironshore Insurance and AIG. Malhotra earned his bachelor’s degree in technology from the Indian Institute of Technology and an Master of Business Administration from the University of New Hampshire. He is a Fellow of the Casualty Actuarial Society and a Member of the American Academy of Actuaries. 

Monica Dallio joined Argo Group in April 2025. As Head of HR, she oversees all disciplines of the human resources department including talent acquisition, learning and development, performance management, employee relations, compensation, and benefits. Dallio most recently served as Head of HR for the Brookfield Public Securities Group and Brookfield Oaktree Wealth Solutions. Prior to that, she held human resources positions at William Blair & Company, the Federal Reserve Bank of Chicago, and ABN AMRO Asset Management. Dallio earned her master’s degree in Industrial Organizational Psychology from The Chicago School of Professional Psychology and her bachelor’s degree from the University of St. Francis.

David Snowden joined Argo Group in September 2015. He is responsible for leading Marketing, Communications and Producer Management. He previously led external communications for Natixis Global Asset Management; corporate public relations at The Hartford Financial Services Group; and various positions at USAA. Snowden has a bachelor’s degree in communications from Incarnate Word College and a master’s in organizational communications from St. Mary’s University.