Carlos B. Zavalaga began his career as a seabird researcher at Punta San Juan in 1992. At that time he began studying Humboldt penguins and Inca terns. After obtaining his Bachelors degree in Biology at the Universidad Peruana Cayetano Heredia in 1997, he worked as a researcher at the Peruvian Marine Research Institute in the Marine Mammal Research Unit. Between 2001 and 2008 he obtained his Master's degree in Biology and Ph.D. in Marine Biology at the University of North Carolina, Wilmington, USA, conducting foraging ecology research in three species of boobies (Sula species.) In 2009, he traveled to Japan to do a post-doctorate at Nagoya University, investigating shearwaters and gulls. Upon his return to Peru, he began working as a researcher at the Universidad Científica del Sur and as an independent environmental consultant. Now, he is the director of the Unidad de Investigación de Ecosistemas Marinos-Grupo Aves Marinas at the Universidad Científica del Sur. In his professional career he has studied different taxa of seabirds in Galapagos, Peru, the United States of America, Japan, Italy, Argentina, Antarctica, and Chile. He is currently developing different research projects in ecology, conservation, and management that involve guano birds in Peru, south polar skuas in Antarctica, and gray gulls in Atacama-Chile. His main interest in seabirds is bio-logging for studies of the behavior of birds in the sea and the use of new techniques of biological monitoring.