** Shares of bioenergy firm Enviva Inc EVA.N up ~1% at
$60.14 in after hours trading
** Co appoints Thomas Meth as chief executive officer,
replacing John Keppler, who will be stepping down from his
responsibilities to pursue medical and surgical treatment
** Meth is a co-founder of EVA and prior to his appointment
as CEO, he held the position of president
** Co also says Keppler will assume the role of executive
chairman and will actively return to the role in early 2023
** "After careful consideration, I have decided with my
medical team and family to step back and focus on my heart
condition," said John Keppler
** EVA also says Ralph Alexander will fulfill the duties as
chairman of the board until Keppler returns
** Up to Monday's close, stock had fallen 15.3%
(Reporting by Granth Vanaik)
((Granth.Vanaik@thomsonreuters.com;))