Goldman Sachs says it is a good Time To Buy The Oil Dip as prices going higher in Q2? Do you AGREE or DISAGREE? Two of the energy markets leading analysts speak at the Daily Energy Markets Month in Review// Outlook Ahead. Mike Muller, Head of Vitol Asia, and Christof Rühl, Senior Research Scholar at the Center on Global Energy Policy at Columbia University discussed their outlook for the markets as we enter the second quarter.