Liberty Mutual has appointed Dennis Cook as the new president of its IronHealth division, replacing former executive Lainie Dorneker, who took up a similar role at start-up MGA Bowhead Specialty in April.
Cook,
 
    
    
Liberty Mutual has appointed Dennis Cook as the new president of its IronHealth division, replacing former executive Lainie Dorneker, who took up a similar role at start-up MGA Bowhead Specialty in April.
Cook,