Air & Waste Management Association (AWMA), Mid-Atlantic States Section, Central NY Chapter. 2010 - 2013
Forests and Natural Resources Research Society of the Philippines, Inc. (FORESPI). 2007 - 2008.
Philippine Institute of Chemical Engineers (PIChE) - Cagayan de Oro Chapter
Member, Board of Directors, 2005 - 2007
Vice-President for Academe, 2003 - 2004
Secretary, 2001 - 2003
American Geophysical Union (AGU). 2012 - 2013