Complex sentence: Upon graduation from university in 1993, Dengler founded a company with long-time friend Beric Farmer, whom he met in 1983 while attending high school at St. Andrew's College.
Split into simpler sentences: Upon graduation from university in 1993, Dengler founded a company with long-time friend Beric Farmer. Dengler and Farmer met in 1983 while attending high school at St. Andrew's College.