BioMr. Wallis joined NGP in 2017 and serves as a Partner in the Houston office, where he concentrates on NGP’s transaction sourcing and execution as well as the monitoring of active portfolio companies.Previously, Mr. Wallis was a Managing Director with Lime Rock Partners, which he joined in 2007. His primary focus was on North American E&P and oilfield service opportunities. Prior to joining Lime Rock, Mr. Wallis wor ....
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