Apterra Infrastructure Capital, an affiliate of Apollo Global Management, has hired a managing director of portfolio and credit risk management in New York. 

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The new hire, Michael Peist, was most recently a senior power & infrastructure financier at Investec. 

Officials at Apterra could not immediately be reached. 

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The move follows the formation of Apterra last year under the leadership of Ralph Cho and Michael Pantelogianis, co-ceos. 

In addition to Investec, Peist also previously worked at Natixis, Mizuho Bank, WestLB, and Blackstone portfolio company Onyx Renewable Partners. 

Separately, Apterra recently launched a $180 million debt refinancing of Primary Energy, a Midwest thermal power generation company owned by Sustainable Development Capital (SDCL), as first reported by PeakLoad on May 22.