Complex sentence: Invited by the team from Galapagos Marine Ecology centered in the University of Arizona, Tucson, Clark, along with a group of 12 secondary and post teachers, worked with locals residents of several island communities to teach English to local school children.
Split into simpler sentences: Invited by the team from Galapagos Marine Ecology centered in the University of Arizona, Tucson. He, along with a group of secondary and post 12 teachers worked with locals residents of several island communities to teach English to local school children.