Mark A. Smith

CEO, President & Director

Mr. Smith is well recognized in the mining community, having recently served as CEO and Director of Molycorp, Inc., where he was instrumentally involved in taking that from a private company to a publicly traded producing mine. Prior to that, Mr. Smith was the President and Chief Executive Officer of Chevron Mining Inc. and managed the real estate, remediation, mining and carbon divisions of Unocal Corporation for over 22 years. During his tenure with Chevron Mining Inc., Mr. Smith also served as a Director of Companhia Brasileira de Metalurgia e Mineração (CBMM), part of the Moreira Salles Group, a private company that currently produces approximately 85% of the world supply of Niobium.

Mr. Smith has a Bachelor of Science degree in engineering from Colorado State University and a Juris Doctor cum laude from Western State University, College of Law.

Joseph A. Carrabba

Lead Director

Mr. Carrabba served as the Chairman, President and Chief Executive Officer of Cliffs Natural Resources Inc., a publicly-held international mining and natural resources company, from 2006 until his retirement in November 2013.  Prior to joining Cliffs Natural Resources Inc., Mr. Carrabba gained broad experience in the mining industry throughout Canada, the United States, Asia, Australia and Europe.  He was the former General Manager of Weipa Bauxite Operation of Comalco Aluminum and served in a variety of leadership capacities at Rio Tinto, a global mining company, including as President and Chief Operation Officer of Rio Tinto's Kiavik Diamond Mines, Inc.  Mr. Carrabba is also a director of Newmont Mining Corporation, TimkenSteel Corporation, Key Bank and Aecon Group.  He holds a Bachelor's degree in geology from Capital University and his MBA from Frostburg State University in Maryland.

David C. Beling, P.E.


Mr. Beling is a Registered Professional Mining Engineer with 51 years of experience and has been on the board of directors of 14 mining companies starting in 1981. He is President, CEO, CFO and director of Bullfrog Gold Corp. since 2011 and was the Executive Vice President and Chief Operating Officer of Geovic Mining Corp. from 2004 to 2010. Mr. Beling has examined, significantly reviewed or been directly involved with 88 underground mines, 131 open pit mines and 164 process plants in the global metal, energy and industrial mineral sectors.  His previous employment includes 13 years with five majors mining companies and 38 years of employment and consulting for 25 junior mining companies.

Nilsa Guerrero-Mahon


A former Chief Financial Officer and Controller for global corporations in the technology, energy, and government sectors, Mrs. Guerrero-Mahon currently serves as the Vice Chair of the Board of Directors of Centura Health Mountains & North Denver Operating Group, the largest division ($1.5 billion) in the Centura Health Care System.  Previously, 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.  Among other prior positions, she was the Financial Controller and the Controls and Compliance Manager for Microsoft Global Services organization.  She is qualified as an “Audit Committee Financial Expert” for the U.S. Securities and Exchange Commission (SEC) and has extensive background with the implementation and compliance of the Sarbanes Oxley Act (SOX).  Mrs. Guerrero-Mahon received an Executive MBA from the Daniels College of Business at the University of Denver and a B.S. in Business Administration - Accounting from the Interamerican University in San Juan, Puerto Rico.  She has served  as an adjunct faculty member at the University of Denver and provided forensic accounting services for the U.S. Department of Justice.

Michael J. Morris


Mr. Morris served as a director from 2001 to 2007 and as Chairman of the Board of Heritage Oaks Bancorp from 2007 to 2017 when it merged into Pacific Premier Bancorp.  Mr. Morris currently serves on the Board of Directors of Pacific Premier Bancorp, an $8 billion regional bank. In addition, Mr. Morris is the senior principal and chairman of the board of Andre, Morris & Buttery, a professional law corporation. From 2000 to late 2006, Mr. Morris served on the board of Molycorp Inc., which at the time was a wholly owned subsidiary of Unocal and then Chevron. Mr. Morris was the only independent director of Molycorp at that time.  Mr. Morris is a graduate of Georgetown University and received his law degree from the University of San Francisco School of Law.  He has practiced business and environmental law for over 40 years.  Mr. Morris served as a member of the Board of Governors and Vice President of the State Bar of California.  He served as a 1st Lieutenant in the U.S. Army from 1970 to 1972.

Anna Castner Wightman


A sixth generation Nebraskan and a graduate of Nebraska Wesleyan University, Ms. Wightman currently serves as Vice President of Government Relations for First National Bank in Omaha, Nebraska. Prior to that, she worked for the Greater Omaha Chamber of Commerce and served in the U.S. Congress for former Congressman Bill Barrett and former Congresswoman Virginia Smith, both of whom represented the 3rd Congressional District of Nebraska. Anna serves on the Board of Directors of the Nebraska Chamber of Commerce, Rose Theater for Performing Arts, and Joslyn Castle. She and her husband, Jack Wightman, live in Omaha and have two daughters.

About Niobium


Niobium production is a multi-billion dollar a year market that is essential to the automotive, pipeline and construction industries.

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About Scandium


Scandium is a critical component in advanced fuel cell technologies and has numerous applications in the aerospace and transportation sectors.

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In the Media


Address: 7000 S. Yosemite St. Suite 115
Centennial, CO 80112

General Inquiries:
(720) 639-4647

Investor Relations:
Jim Sims, VP External Affairs
Telephone: 1-855-2-NIOCORP