Nilsa Guerrero-Mahon

Director at NioCorp

A former Chief Financial Officer and Controller for global corporations in the technology, energy, and government sectors, Ms. Guerrero-Mahon provides consulting services to domestic and international corporations as the principal at NG Mahon Business Consulting, LLC, a business consulting service, a position she has held since 2008. In addition, Ms. Guerrero-Mahon currently serves on the Board of the State of Colorado Division of Securities. From 2016 to 2019 she served on the Board of Directors of Centura Health Mountains & North Denver Operating Group, the largest division in the Centura Health Care System. From 2014 to 2016, she served as the Vice Chair of the Board of Directors and Chaired the Strategy Committee at St. Anthony Hospital, now a member of the Centura Health Mountains & North Denver Operating Group. From 2009 to 2017, Ms. Guerrero-Mahon served as a gubernatorial appointed Board Member of the State of Colorado Financial Services Commission. Among other prior positions, from 2005 to 2007, she was the Global Services Controller at Microsoft Corporation, overseeing internal controls and corporate finance activities. Ms. Guerrero-Mahon received an Executive MBA from the Daniels College of Business at the University of Denver and a BS in Business Administration – Accounting from the Interamerican University in San Juan, Puerto Rico, and is a Certified Public Accountant registered in the State of Colorado.

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Timeline

  • Director

    September, 2017 - present