Richard Ostberg

Richard A. Ostberg formerly worked at MarkWest Hydrocarbon LLC, as Vice President-Compliance & Risk Management from 2005 to 2007, Xcel Energy, Inc., as Associate Vice President-Revenue Requirements from 2007 to 2013, MarkWest Energy Partners LP, as Vice President-Compliance & Risk Management from 2005 to 2007, MarkWest Energy GP LLC, as Vice President-Compliance & Risk Management from 2005 to 2007, Pattern Energy Group, Inc., as Principal Accounting Officer from 2019 to 2020, Black Hills Energy, Inc., as Vice President & Controller, Black Hills Gas LLC (Colorado), as Chief Financial Officer from 2013 to 2016, and El Paso Electric Co., as Chief Financial Officer from 2020 to 2023.