Mark Holler


Director, Credit Risk


Mark Holler is the Director of Credit Risk for Tenaska Power Services Co.  Mark joined TPS in 2007 and has the led the credit department since 2008.  TPS offers utilities, municipalities, large commercial and industrial clients and independent power producers a variety of optimization, risk management, power trading and settlement services.  Mark is an active member of various regional credit working groups and has previously chaired the Southwest Power Pool Credit Practices Working Group, as well as the ERCOT Credit Work Group.  Mark has been an active member of the IECA since 2008, and has previously chaired the United States Regional Education Group, as well as the Credit Analytics Education Group. Prior to joining TPS, Mark held positions as a market analyst for a business consulting firm and as a business analyst for an independent bank in Dallas.  Mr. Holler has a Bachelors degree in Economics and Finance from the University of Texas at Dallas and is a graduate of the IECA CRMCP course.