Complex sentence: On October 15,2007, Evan was appointed Chairman of Kosiner Venture Capital, originally known as Cosmos Industrial Audio which was founded in 1977 by Evan's grandparents, Leopold and Gerda Kosiner, and was passed down to Evan by his father, Bion Kosiner.
Split into simpler sentences: On October 15,2007, Evan was appointed Chairman of Kosiner Venture Capital. This company, originally known as Cosmos Industrial Audio, was founded in 1977 by Evan's grandparents, Leopold and Gerda Kosiner, and was passed down to Evan by his father, Bion Kosiner.