Chi-Ching Ng

Yorkey Optical International Cayman Ltd. operates as an investment holding company. It engages in the manufacturing and sale of plastic and metallic parts and components for optical and opto-electronic products, including digital cameras, camera handsets, copiers, computer interface devices, traditional cameras, and medical and beauty equipment. The company was founded in December 1995 and is headquartered in Hong Kong.

CPA Australia Ltd. is an Australian company that has been operating since 1954 and provides education, training, technical support, and advocacy services in the accounting profession. The private company is based in Southbank, Australia and has subsidiaries in Hong Kong. The company engages with governments, regulators, and industries to advocate for policies that stimulate sustainable economic growth. With over 166,000 members working in 100 countries and regions, CPA Australia is one of the world's largest accounting bodies. It was founded in 1886 by Andrew Lyell, Arthur Cleveland, Benjamin Doughty Smith, Thomas Brentnall, John McAlister Howden, Charles Morell Holmes, William Crellin, and Edward Langton. Andrew Paul Hunter has been the CEO of the company since 2018.