Romaguera began his photographic career at the age of 18 in the U.S. Naval Reserve. Following active duty at the Naval Photo School, he obtained a part time position with United Press International and later became a full time photojournalist for the Times Picayune Publishing Corporation in New Orleans, LA.
In 1971, Romaguera opened his first portrait studio in New Orleans. Presently he and his son own and operate in the Gulf Coast regional area, where they specialize in school and senior portraits, sports, families and children.
Romaguera has received his Masters and Craftsman Degrees and is certified from the Professional Photographers of America (PPA). Ralph Sr. is one of the 120 Fellows in the American Society of Photographers.
Romaguera has been honored with the coveted PPA National Award twice and the International Award, as well as the Service Award from the American Society of Photographers. Romaguera has served as President of the Greater New Orleans Guild, the Professional Photographers of Louisiana, the Southwestern Photographers Association, the American Society of Photographers and the Professional Photographers of America. In 2012, he was recognized by the United Nations for Leadership in professional photography.
As a platform speaker and a judge, Romaguera has lectured throughout the United States, Japan, China, Canada, Mexico, Korea, Germany and Great Britain.
Romaguera was chosen to represent portrait photographers on the NBC Today Show in a series celebrating the 150 Years of Professional Photography.