BERKELEY, Calif. (May 12, 2008) - Triathlete Tyler Stewart (Novato, CA) has recently signed with the LUNA Pro Team for 2008. She will be joining returning members Linda Gallo, Cathy Chesky, and Terra Castro on the triathlon squad, and will focus on the Half Ironman distances known as 70.3, as well as the famed Ironman World Championships in Kona in October.