Patrick is in his second year as an assistant coach for the women’s tennis team during the 2025-26 season.
The 2024-25 season was the first season with Tierro as an assistant coach with the Titans Women's Tennis Program. The Titans went 10-10 overall for the season and 4-5 in conference play. The Titans were the 7th seed in the Big West Championship where they fell to CSUN 4-3 in the first round of the Big West Championship. Sein Myoung was named to the All-Big West First Team in singles. She went a perfect 9-0 at the No. 1 in Big West play for the season. Seha Yu was named to the All-Big West Second Team in singles and an honorable mention in doubles along with Kaytlin Taylor.
He competed professionally and represented the Philippines at the Davis Cup. He won a gold medal for the Philippines at the Southeast Asian Games. He graduated from De La Salle University in Manila, Philippines. Patrick is also a coach at the Lakewood Tennis Center.
He currently resides in Huntington Beach with his wife Catleen and their son Sebastian.
