Josselin Possian played for DC Soccer Club in his youth and went on to play professionally and semi-professionally both in the US and abroad. During his playing career, Possian played in France for Auxerre and JA Drancy, Germany for Darmstadt, and in the US for the Maryland Bobcats. While he played for the Maryland Bobcats he served 3 years as captain and was selected number two in the country by Nike the Chance. 

Possian also has years of coaching experience. He has coached at the Maret School, DC Eleven, Washington Capital, and NPC Futsal. He works full-time for DC Scores. For DC Soccer Club he coaches the U9 and U10 White Metros.