Dan Boyle is a retired professional ice hockey player who played in the National Hockey League (NHL) for over 15 years. He was born on July 12, 1976, in Ottawa, Ontario, Canada, and began his hockey career playing for the Miami RedHawks at Miami University in Ohio.

Boyle was not drafted by any NHL team after college, but he signed as a free agent with the Florida Panthers in 1998. He played for the Panthers for two seasons before being traded to the Tampa Bay Lightning in 2002. It was with the Lightning that Boyle had his most successful years, winning the Stanley Cup in 2004 and being named an NHL All-Star in 2007.

In 2008, Boyle was traded to the San Jose Sharks, where he played for six seasons. He was named an NHL All-Star again in 2009 and 2011 and was a finalist for the Norris Trophy, awarded to the NHL's best defenseman, in 2009. Boyle was known for his offensive skills as a defenseman, scoring 163 goals and 442 assists in his NHL career.

After his time with the Sharks, Boyle played for the New York Rangers for two seasons before retiring in 2016. He finished his career with 605 points in 1,093 NHL games played.

Off the ice, Boyle was known for his philanthropic work, particularly with the Dan Boyle Foundation, which supports children's charities in the San Jose area. He was also an advocate for mental health awareness, speaking openly about his struggles with depression and anxiety.

Overall, Dan Boyle had a successful career in the NHL, winning a Stanley Cup and being named an All-Star multiple times. He was known for his offensive skills as a defenseman and his philanthropic work off the ice.