Complex sentence: Currently, the president of the party is VK Liew after it's former president, Chong Kah Kiat, one of Sabah's current Deputy Chief Minister decided to retire as party president.
Split into simpler sentences: Currently, the president of the party is VK Liew. It's former president, Chong Kah Kiat, one of Sabah's current Deputy Chief Minister, decided to retire as party president.