In a small bowl, combine soy sauce through the cilantro. Mix thoroughly.
Cut the chicken into large chunks and marinate for at least 30 minutes - 1 hour. For convience place the chunks in a small ziplock bag, pour in the marinade and squeeze out the air. Message the marinade around the chunks to coat.
Remove the chunks from the marinade and lightly season kabobs with salt, if desired. Skewer onto bamboo sticks that have been soaked in water for about 10 minutes.
Grill on medium high heat for 6 to 8 minutes per side, until juices run clear.