His research interest deals with global environmental change owing to both natural and anthropogenic processes, and the subsequent effects on the function, role, and cycling of carbon in marine environments. His current research is mainly concerned with the effects of ocean acidification on coral reefs and in near-shore coastal environments. Andreas was born and raised in Sweden but relocated to Hawaii to attend college and later graduate school. After completion of his Ph.D he spent several years in Bermuda at the Bermuda Institute of Ocean Sciences before moving to SIO in the summer of 2011.