Peter E. Patacsil was born and raised in Honolulu, Hawaii.  He received a Bachelor of Science degree in Civil Engineering from the University of Hawaii and a Master of Science degree in Operations Research from the US Naval Postgraduate School in Monterey, California.  The author served 22 years in the US Navy attaining the rank of Commander.   He was stationed on five ships, several military staffs, plus a tour in Vietnam as an advisor.  Upon leaving the naval service, he joined Science Applications International Corporation (SAIC) in La Jolla, Ca,  as a senior systems analyst and rose to branch manager.

As an educator, he taught management science at National University in San Diego and was an Assistant Professor of Mathematics at the University of Guam. The late Patcsil was married to the former Julia Leon Guerrero of Barrigada, Guam, also deceased.

Guampedia entries by Peter E. Patacsil
Spanish Coinage in Guam