Complex sentence: He has been a member of The Undertoad, FAZI, and Silphium among others; in addition, he is the author of the novel Salvation Road (written under the pen name KAL) and the non-fiction book on politics Trumpocalypse Not.
Split into simpler sentences: He has been a member of The Undertoad, FAZI, and Silphium among others. In addition, he is the author of the novel Salvation Road (written under the pen name KAL) and the non-fiction book on politics Trumpocalypse Not.