Peter Arnold joined the FIU women's soccer coaching staff after three successful seasons at Palm Beach Atlantic University, where he served on the men's soccer staff from January 2023 through December 2025.
Arnold spent his first two seasons as the program's goalkeepers coach before being promoted to first assistant coach for the 2025 campaign. During his final season, Palm Beach Atlantic posted a 13-3-2 record, captured the Sunshine State Conference regular-season championship with an undefeated conference record, finished the regular season ranked No. 2 nationally, and earned Sunshine State Conference Coaching Staff of the Year honors.
Before joining Palm Beach Atlantic, Arnold attended Coastal Carolina University, where he competed as a student-athlete before transitioning into a volunteer coaching role with the men's soccer program. He began his collegiate career at the University of Indianapolis, helping the Greyhounds reach the NCAA Division II Final Four during his freshman season.
Originally from Woking, England, Arnold earned a bachelor's degree in Recreation and Sport Management with a minor in Sports Coaching from Coastal Carolina University. He later completed a Master of Business Administration (MBA) at Palm Beach Atlantic University.