Ronelo Coma Hayahay, commonly known by his pen name "Black Diamond," was born and raised in Sagbayan, San Miguel, Surigao del Sur, and has been an OFW in the Middle East for over ten years. He enjoys writing poems, essays, short tales, and novels in his spare time. He received his Bachelor of Science in Commerce degree in 2007. He began writing as a hobby when he was in high school. During his college years, he was a contributor to their school publication. He's not simply a writer; he's also a marathon runner and a swimmer.