“Liposuction Update“: presented at the Philippine Society of Aesthetic Surgery, 1997.
“The Future of Bone Reconstruction“: presented at the International Symposium on Maxillofacial-Skull Base Surgery, Quezon City, Philippines, November 20, 1996
“Aesthetic Plastic Surgery Update” – presented at the Department of Dermatology, Jose Reyes Memorial Hospital, November 19, 1995.
“Transconjunctival Laser Blepharoplasty“: presented at the 39th Annual Convention of the Philippine Society of Otolaryngology and Head and Neck Surgery, December 6, 1995.
“Combination Products: Fibrin Sealant as a Delivery Device for Other Materials“: presented at the U.S. Army Combat Casualty Research Program Conference on Fibrin Sealant, held at Bethesda, Maryland, U.S.A., Dec. 8-9, 1994
“Future Trends in Bone Reconstruction“: Presented at the Department of Surgery. UP-PGH Medical Center. November 1994.
“Fibrin Sealant as a Delivery System for Bone Inductive Proteins”: presented at the Symposium on Advances in Treatment of Osteoporosis and Bone Repair, held at Boston, Massachusetts, June 21-22, 1994.
“Bone Induction by Demineralized Bone Matrix and Partially Purified Osteogenin” : presented at the first International Symposium on Surgical Tissue Adhesives, held at Atlanta, Georgia, Oct. 8-10, 1993
“Bone Induction Using a Fibrin Sealant Carrier“: presented at the Department of Biology and Skeletal Research Center, Case Western Reserve University, Cleveland, Ohio, U.S.A., Aug. 18, 1993
“The American Red Cross Research Program in Bone Induction and Bone Repair“: presented at the Portland Bone Symposium, held at Portland , Oregon, U.S.A., July 21-24, 1993.
“Electrocautery Machine: Philippine Prototype“: presented at 7th Clinical Congress of the Asian Surgical Association, held at the Penang, Malaysia, Feb. 20-23, 1989.