PRINCETON, N.J., March 25, 2015 /PRNewswire/ -- USRowing announced today that Liberty Mutual Insurance has signed as a gold medal sponsor and the official insurance partner of USRowing. As part of the multi-year agreement, Liberty Mutual will feature U.S. National Team athletes in a series of speaking engagements and Row to Rio promotional appearances as they gear up for the 2016 Olympic Games and 2016 Paralympic Games.