Dr Karri worked in the fields of multi-disciplinary applied neural networks (IT) and renewable technologies in the last 25 years. His work involved trans-disciplinary engineering resulting in over 200 peer reviewed papers and graduated 36 research higher degrees (PhD and MEngSci) as principal supervisor and 50 research honours students in his career. Dr Karri has been visiting professor for universities in Japan, Germany, USA and India over the years, conferred guest professorship at the Shandong University, Jinan, China in 2005 and Villum foundation fellow at Aalborg University, Denmark in 2016. Dr Karri is also university professorial fellow at the Charles Darwin University in Australia.

Some of his accolades include, winner of Australian Award for University Teaching in physical sciences and related studies in 2001; winner of two prestigious Engineering Excellence awards organized by the Engineers Australia of Tasmania in 2003 and 2005; Finalist, National Achiever, organized by the National Industry Awards in 2004,2005; Conferred Doctorate of Letters (h.c) by the Cape Breton University in Australia in 2013; Awarded Australia’s most innovative engineer, organized by the Engineers Australia in utilities in 2017; Dr Karri also has several patents to his name, based on which an Australian company Expert365 Pty Ltd., was established in 2015.