Matthew Guillaumier has committed to a two-year tenure with Panserraikos, where he is anticipated to occupy the role previously held by Gabriel Pires. The 27-year-old defensive midfielder had been part of Stal Mielec in Poland, making 67 appearances, netting 5 goals, and contributing 5 assists during his stint. Guillaumier, who also leads the Malta national team as captain, hails from Sliema and was born on April 9, 1998. Standing at 1.83 meters, he had earlier played for Saint Andrews, Bikirkara, and Hamrun in Malta, accumulating 250 appearances, 22 goals, and 20 assists, along with securing two championships. He has represented Malta 47 times, scoring 3 goals, and has been serving as the national team captain since 2023. Upon his arrival, Panserraikos extended a warm welcome to Guillaumier as a new member of the "Lions" family.