Satheesh Gopi has over 19 years of experience as a hydrographer and over five years of experience as a civil engineer and is currently the deputy director in the Hydrographic Survey Wing of the Kerala Port Department. He graduated in civil engineering from the College of Engineering, Trivandrum, and also holds a Master’s Degree in Information Technology. He is the author of books such as Advanced Surveying and Global Positioning System, Principles and Applications . He has published research papers on surveying, GPS and hydrography. He is a life member of the Indian Cartographic Association. His areas of interest include marine construction, advanced surveying, GPS and hydrography.