Tecogen Inc. announced the appointment of Dr. Abinand Rangesh as Tecogen’s Chief Financial Officer, effective immediately. Dr. Rangesh has been with the Company since 2016 and has held roles in various divisions including sales, business development and most recently being Vice President and Director of Corporate Strategy. Prior to joining Tecogen, he led startup companies in the green energy and software space. In addition, Dr. Rangesh has multiple design patents and has published multiple scientific papers in peer reviewed journals.