Sarongrat Wongsaroj is a Principal at Plum and specialises in economic research and analysis in the fixed and mobile communications industry. He has extensive experience in conducting economic analysis on the benefit of the different types of spectrum release programmes. An expert modeller, Sarongrat has led quantitative works in projects to assess policies in the telecommunications industry and the market for radio spectrum, including the proposal made by CEPT for licence shared access. He is well-versed in the use of different spectrum valuation methodologies for setting prices in competitive tenders and has developed avoided cost and full discounted cashflow models to help national regulatory authorities and private operators in Asia Pacific and South America to come to a view on possible market values of spectrum bandwidths at auctions.
In addition to spectrum related works, Sarongrat has also worked as part of the team to investigate the allegation of margin squeeze against a fixed line operator in Czech Republic. He has also been involved in advising operators on the pricing of cable landing station in India as well as the on the feasibility of a market-entry business model by a new download-to-own player in the UK.
Sarongrat has an MA(Oxon) in Economics and Management from Balliol College, University of Oxford, and an MSci in Mathematics and Physics from University College London.