Adjunct Professor at City University of New York (CUNY) Hunter College and Doctoral Faculty of the Earth and Environmental Sciences of the Graduate School and University Center. Fulbright Specialist at Ateneo de Manila University, Philippines, 2019. Fulbright Scholar Award in teaching and research at the University of the Bahamas, 2017-2018. Awarded USAID Science, Technology, Research and Innovation for Development Project (2016) and US Fulbright Specialist (2012 and 2015) at the Ateneo de Manila. Held position of Adjunct/Research Professor at following institutions: NOAA’s Cooperative Remote Sensing Science and Technology Center, CCNY’S Department of Electrical Engineering, CUNY (2000-2003), Marine Science of Long Island University (LIU), Southampton (2001), School of Continuing and Professional Studies of New York University (NYU) (1999-2001), Department of Physics, LIU Brooklyn (1998). In addition was honorary Visiting Professor at Academia Sinica in Beijing (1988) and Visiting Full Professor, University of Hamburg (1976-1978), Assistant Professor in the College of Marine Studies, University of Delaware (1971-1975). Conducted seminars in Berlin, Beijing, Buenos Aires and Warsaw while with the United Nations. Main areas of teaching are in marine and coastal environment and management, small island developing states, environmental hazards, international pollution issues, sustainable development and environment, remote sensing and satellite monitoring of the earth with emphasis on the oceans.
Research Research related to satellite image processing was carried out as Senior Fellow at the Naval Research Laboratory (NRL), Washington DC (summers 2006-2010), for the Research Foundation CUNY (2009), the National Oceanic and Atmospheric Administration Cooperative Remote Sensing Science and Technology Center, City University of New York (NOAA CREST, CUNY, 2000-2003), Columbia University Earth Engineering Center (since 1997), and at the National Aeronautics and Space Administration (NASA) Goddard Space Flight Center (1969-1971).
International Affairs At the United Nations (1974-76; 1978-1996), as chief of section and later as head of branch, carried out technical assistance programs on remote sensing, on outer space matters and natural resources in cooperation with various governments.