Complex sentence: Born in London, Ontario to parents who came to Canada from the Chinese expatriate community in Vietnam, Lam did his medical training in Toronto, and now works an emergency physician who also does international air evacuation work and expedition medicine on Arctic and Antarctic ships.
Split into simpler sentences: Born in London, Ontario to parents who came to Canada from the Chinese expatriate community in Vietnam, Lam did his medical training in Toronto. He now works an emergency physician and also does international air evacuation work and expedition medicine on Arctic and Antarctic ships.