Riverstone’s Leuschen Plans to IPO Methane-Mitigation-Focused SPAC / Latest / By mark The SPAC will be Riverstone Holdings co-founder David Leuschen’s eighth, following the Permian Basin’s Centennial Resources, the Anadarko’s Alta Mesa Holdings and the Montney’s Hammerhead Resources. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Related