Ronnie Healy begins his first season with the ThunderBolts and first as a professional in 2018. He was selected by the ThunderBolts in the second round of the 2018 Frontier League draft and signed on April 26, 2018. He played for two years at Union College and hit .329 over 108 games, including .349 as a senior, when he also hit 13 home runs. He was named First Team All-Conference both seasons. Prior to Union, Ronnie attended Frederick Community College, where he batted .362 in 56 games, and Broward College. He went to Jupiter High School in Jupiter, Florida.