Sigma Offshore appointed Bob Coates as chief operating officer. He was previously a director at London Marine Consultants, which is now part of Singapore-based Ezra Holdings. He is responsible for developing Sigma’s presence in London, where the company aims to recruit a core team of approximately 20 engineers and designers, naval architects, and project support personnel within its first year of operation. Coates started his career in 1978 as an apprentice ships draughtsman and later earned BS degrees in engineering and law. He has more than 25 years’ experience in the marine and offshore industries, ranging from project management to detailed design engineering of floating production systems and fixed structures.