Complex sentence: He served as the unpaid host of a public affairs talk program at KMOJ radio, and has also often volunteered as a track coach for several organizations, working with youth between the ages of 5 and 18.
Split into simpler sentences: He served as the unpaid host of a public affairs talk program at KMOJ radio. He has also often volunteered as a track coach for several organizations, working with youth between the ages of 5 and 18.