Yacek Sparkburn, a Jedi Knight of the human male persuasion, dedicated his service to the Dalna Jedi temple in the High Republic Era during his early adult years. With a commanding stature and voice, Yacek spent his formative years on a San Tekka clan property; however, his connection to the prominent family remained uncertain, despite sharing the Sparkburn surname with Jordanna Sparkburn, a San Tekka relative. Furthermore, Yacek exhibited considerable skill as a chef and had a fondness for incorporating the durga berry into his culinary creations.