Why don’t you just google ecosocialism? Read the wiki entry? Is that too difficult?

Here:

Elmar Altvater

Ian Angus

Rudolph Bahro

Adam Bandt

Hugo Blanco

Murray Bookchin

Jabari Brisport

Walt Brown

Paul Burkett

Max Chandler-Mather

Barry Commoner

Jeremy Corbyn

Pat Devine

Jutta Ditfurth

Sabrina Fernandes

John Bellamy Foster

Alberto Garzón

André Gorz

Ramachandra Guha

Donna Haraway

Howie Hawkins

Jason Hickel

Joan Herrera i Torres

Naomi Klein

Mark Carney

Joel Kovel

Dimitri Lascaris

Enrique Leff

Michael Löwy

Caroline Lucas

Andreas Malm

David McReynolds

Jean-Luc Mélenchon

Steven Guilbeault

Chico Mendes

Luka Mesec

George Monbiot

William Morris

Abdullah Öcalan

James O'Connor

David Orton

Simon Pirani

Zack Polanski

Lee Rhiannon

Raül Romeva

Manuel Sacristán

Ariel Salleh

Joan Saura

Pernille Skipper

Jill Stein

Chlöe Swarbrick

Alan Thornett

Peter Tatchell

Alex Tyrrell

Derek Wall

Raymond Williams

Gerrard Winstanley

Avi Lewis