Complex sentence: It was in 1979 that SNPhA gained its first female leader, Dr. Heidi Anderson; and by the end of her ten years of impeccable leadership, she had ushered SNPhA into a new era.
Split into simpler sentences: It was in 1979 that SNPhA gained its first female leader, Dr. Heidi Anderson. By the end of her ten years of impeccable leadership, she had ushered SNPhA into a new era.