Guillermo L. Dumrauf is a senior expert in valuation and a part-time professor at Universidad del CEMA, Argentina, where he teaches courses on valuation and econometrics at the bachelor's and master's levels of finance. He possesses more than 30 years of academic and practical experience in the field, having taught valuation at more than 50 universities and presented and discussed papers at finance conferences. He has authored several textbooks on corporate finance, fixed income, macroeconomics, investments, and applied mathematics to finance. Guillermo obtained his PhD in Economics from the University of Buenos Aires and serves as a director of a Brazilian company. Writing, teaching, and advising are his passions.