Aptus Holdings: The Hong Kong-based oil and gas distributor and service provider appointed Michael Lai Yin Poon chief financial officer and company secretary on June 11. He replaced Chan Ka Yin who resigned from both positions on April 22. Poon is responsible for managing all aspects of the company's finance including corporate finance, due diligence, tax and treasury. He has more than 15 years' experience in financial reporting, business advisory, auditing, taxation, accounting, and mergers and acquisitions. In addition, he holds a bachelors degree in administrative studies from York University and a masters degree in accounting from Monash University.