Ronnie Tan currently serves on the advisory board of Calysta, USA, as the regional aquaculture consultant for the U.S. Grains Council and as an advisor to BASF, Germany. He also acts as a mentor at Hatch, an aquaculture startup accelerator.

Tan recently stepped down as vice president of Blue Archipelago, the largest integrated shrimp enterprise in Malaysia, where he was responsible for downstream operations, including sales and marketing, branding and corporate strategy. He has also served as the executive director and as a board member for Regal Springs Group, the largest tilapia integrator in the world, where his responsibilities included global feed supply, and he also held a supervisory role for the Indonesia legal entity. He also co-led the sale of that company.

Tan started his career by building the aquaculture feed division at the Gold Coin Group, a major feed company in Asia. An aquaculturist by training, he has more than 35 years of experience in international marketing, supply chain and general management in multinational chemical and feed companies, such as Rhone Poulenc and Imperial Chemical Industries. In addition to aquaculture and feed, he has a working knowledge of the oleochemical and zero-calorie natural sweetener industries. He was a board member of the Malaysian Palm Oil Board and served as ICI’s representative to the Roundtable on Sustainable Palm Oil (RSPO).

Tan studied environmental biology at King’s College at the University of London and received his master's degree in aquaculture from the University of Stirling. He is a native of Malaysia.