He was born on August 17, 1969. His Parents are Augusto T. Rosario and Leticia SuÑiga. He and his family are residing in Pance, Ramos, Tarlac.
He graduated Master of Divinity in 2000 at Wesley Divinity School in W-UP, Cabanatuan City, Nueva Ecija.

Rev. Rosario is married to Leslie Villanueva Diaz, a native of Gerona, Tarlac. They are blessed with four Children – The Eldest is Jedidiah, a Civil Engineer by Profession. The Second is Jireh, a Senior High School student, Grade 12. The third is the only lady, Hodijah, a Senior High School Grade 11 student. And the Youngest is Yedah, a Grade Six student.
MINISTERIAL JOURNEY
- Entered the Ministry in June 1992
- Licensed Local Pastor in 1993
- Accepted Probationary Member [Provisional] in 1997
- Ordained Elder in 2001
CHURCH APPOINTMENT
- Toledo UMC 1992
- Bonboneg UMC 1993-1995
- Sta Lucia UMC 1995-1997
- Pance UMC 1997-1999
- Moncada UMC 1999-2002
- Camiling UMC 2002-2008
- Military Chaplain 2008-2009 AFP Basa Airbase and Clark Airbase in Pampanga
- Nancasalan UMC 2009-2012
- Camiling UMC 2012-2018
- Appointed District Superintendent in 2018-2021 CLPAC-WCLD
- Baguio City First United Methodist Church Pastor 2021-2025 Northwest Philippines AC [now SNWPAC]
- Appointed District Superintendent 2023-2025 Cordillera Mission District, concurrently as Admin Pastor of BCFUMC
- Last April 2025 he was appointed District Superintendent of CLD, He assumed his office on June 1, 2025