LEADERSHIP

Board of Directors

NioCorp’s Board of Directors is comprised of distinguished and highly experienced leaders from a variety of sectors.  You can see short biographies from all Board members below.  To see information on NioCorp’s management team, go here.

Mark A. Smith

Mark A. Smith

Board Chair, President and CEO

 

Mr. Smith has over 40 years of experience in operating, developing, and financing mining and strategic materials projects in the Americas and abroad. In September 2013, he was appointed CEO and a Director of NioCorp. From April 2015 to September 2019, Mr. Smith served as the President and Director, and later as CEO, for Largo Resources Ltd.  Mr. Smith has also served on the board of directors of IBC Advanced Alloys Corp., a leading beryllium and copper advanced alloys company, since May 2016, and as CEO of IBC since July 2020. From October 2008 through December 2012, Mr. Smith served as President, CEO and Director of Molycorp, Inc., a rare earths producer, where he was instrumentally involved in taking it from a private company to a publicly traded company with a producing mine. Prior to Molycorp, Mr. Smith was the President and CEO of Chevron Mining Inc. He also served for over seven years as the shareholder representative of Companhia Brasileira Metalúrgica e Mineração, a private company that currently produces approximately 85% of the world supply of niobium. Mr. Smith is a Registered Professional Engineer and serves as an active member of the State Bars of California and Colorado. He received his Bachelor of Science degree in Agricultural Engineering from Colorado State University in 1981 and his Juris Doctor, cum laude, from Western State University, College of Law, in 1990.

David C. Beling, P.E.

David C. Beling, P.E.

Director

Mr. Beling is a Registered Professional Mining Engineer with 58 years of project and corporate experience. He has served as a director on the boards of 14 mining companies starting in 1981, including NioCorp since 2011. Mr. Beling is the owner of D.C. Beling & Assoc., LLC, which provides strategic advisory, project, and corporate development services to the mining industry. His previous employment and consulting included 14 years with five major mining companies and then 44 years with 30+ U.S. and Canadian junior mining companies. He was the President, CEO, and Director of Bullfrog Gold Corp. from 2011 until October 2020; and the Executive Vice President and COO of Geovic Mining Corp. from 2004 through 2010. Mr. Beling has examined, significantly reviewed, or been directly involved with 90 underground mines, 136 open pit mines, and 174 process plants in the global metal, energy, and industrial mineral sectors.

Dean Kehler

Dean Kehler

Director

 

Mr. Kehler is Managing Partner of Trimaran Capital Partners, a private equity firm that he co-founded in 1998. Prior to Trimaran, Mr. Kehler was a Managing Director and Vice Chairman of CIBC World Markets, where he was responsible for CIBC’s United States and European Merchant Banking activities, which were conducted through the CIBC Funds. In addition, Mr. Kehler was responsible for overseeing CIBC’s United States and European Leveraged Finance businesses, which included financial sponsor coverage; acquisition finance; high yield origination, underwriting, sales and trading; private placements; and financial restructuring advisory services. Prior to CIBC, Mr. Kehler was a co-founder of The Argosy Group LP. Prior to Argosy, Mr. Kehler was a Managing Director of Drexel Burnham Lambert Inc., and before that he was an investment banker at Lehman Brothers. Mr. Kehler serves on the Boards of Directors of Celularity, Inc. (biotech; NASDAQ: CELU); and Portman Ridge Finance Corp.., (fixed income investments/asset management; NASDAQ: PTMN). Mr. Kehler previously served as a Director, Treasurer and Chair of the Finance Committee of CARE USA, one of the world’s largest private humanitarian organizations; and as Chair of the Board of Overseers of the University of Pennsylvania School of Nursing. Mr. Kehler graduated from the Wharton School of the University of Pennsylvania.

 

Tony Fulton

Tony Fulton

Director

 

A former Nebraska State Senator and successful business entrepreneur, Mr. Fulton previously served on the Board from 2013 until 2016, when he left to serve as Nebraska Tax Commissioner and Director of the Nebraska Department of Revenue, a 400-employee, $9 billion enterprise.  A mechanical engineer by training, Mr. Fulton is the President of the Nevada-based Hallmark Homecare, LLC and is the Founder and Owner of Guardian Angels Homecare, Inc. of Lincoln, Nebraska.  In addition to his work in the senior care industry, Mr. Fulton serves as the Chairman of the Diocesan Finance Council for the Catholic Diocese of Lincoln (Southern Nebraska).  He is the recipient of numerous awards throughout his professional career, including the following:  2012 Lincoln Nebraska Chamber of Commerce “Small Business of the Year”; 2012 Nebraska Sportsmen’s Foundation’s “Outstanding Leadership Award”; 2012 Better Business Bureau “Ambassador of Integrity Award”; 2015 KFOR “Best of Lincoln” winner; Lincoln Journal-Star’s “Lincoln’s 20 Under 40 Young Professionals;” and the 2010 Lincoln Chamber of Commerce “Business Advocate of the Year.”  Mr. Fulton resides in Lincoln with his family. He received his B.S. in Mechanical Engineering from the University of Nebraska-Lincoln, with studies in Philosophy at Newman University in Wichita, KS and Theology at Mount Saint Mary’s University in Emmittsburg, MD.

Nilsa Guerrero-Mahon

Nilsa Guerrero-Mahon

Director

A former CFO 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 NGM Business Consulting, LLC. In addition, Ms. Guerrero-Mahon was appointed to the Board of FinGoal, Inc. in April 2022, a finance technology company building artificial intelligence tools for the financial services industry and other financial technology developers. She also serves as the Chair of the Finance and Audit Committee for the Financial Data Exchange (FDX).  FDX unifies the financial industry around a common standard for secure and convenient access of permissioned consumer and business financial data.  From 2014 to 2019, she served as the Vice Chair of the Board and Chaired the Strategy Committee for the Mountains & North Denver Operating Group, the largest division in the Common Spirit Health System (former Centura Health). From 2009 to 2025, Ms. Guerrero-Mahon served as a gubernatorial appointed Board Member of the State of Colorado Securities Commission and the Financial Services Commission. Among other prior positions, from 2004 to 2007, she was the Global Services Controller at Microsoft Corporation, overseeing internal controls, compliance and corporate finance activities. Ms. Guerrero-Mahon stays current with the latest Corporate Governance practices serving as a member of the Nasdaq Center for Board Excellence. She is an NACD Board Leadership Fellow and a member of the SASB Alliance. She holds a CERT Certificate in Cybersecurity Oversight from Carnegie Mellon University. Ms. Guerrero-Mahon is a Certified Public Accountant and a Certified Fraud Examiner. She received an Executive MBA from the Daniels College of Business at the University of Denver, a BS in Business Administration – Accounting from the Interamerican University in San Juan, Puerto Rico, and an AS in Computer Science from the EDP University of Puerto Rico.

Peter Oliver

Peter Oliver

Director


With a background in chemistry, Mr. Oliver began working at Greenbushes, Western Australia, for Sons of Gwalia, a mining company, in May 2003. After Sons of Gwalia went into administration in 2004, Mr. Oliver was hired by Talison Lithium Limited, a mining company, where he served as General Manager of Talison’s Greenbushes and Wodgina Mines and as Talison’s Chief Operating Officer, until Mr. Oliver was appointed as the CEO/Managing director. As Talison’s CEO/Managing director, Mr. Oliver led the listing of Talison on the Australian Stock Exchange in September 2010. 
Mr. Oliver guided Talison through its acquisition in 2013 by Tianqi Lithium Corporation. He then served as a corporate adviser to Tianqi, focusing on M&A opportunities and global expansion, including advising on the sale of 49% of Talison to Albermarle Corp. and the acquisition of 24% of Sociedad Quimica y Minera de Chile S.A., as well as significant expansions of Talison’s Greenbushes lithium concentrate production. Mr. Oliver also was a founding member of Tianqi Lithium Energy Australia Pty Ltd, a wholly owned subsidiary of Tianqi, which was established to build a major Lithium Hydroxide manufacturing facility in Western Australia.  Until June 2021, Mr. Oliver remained as a director of Talison, a joint venture between Tianqi and Albemarle Corp.  In September 2022, Mr. Oliver was appointed to the Board of Latin Resources, a lithium exploration company in Australia. 

Michael Maselli

Michael Maselli

Director

Mr. Maselli joined the NioCorp board in 2023 and has guided companies and their boards as a director, advisor, or principal for over 30 years. He has been a Managing Director of Trimaran Fund Management, L.L.C. since 2006 and served as President of GXII (NASDAQ: GXII) until its merger with NioCorp. Before joining Trimaran, Mr. Maselli worked in the Corporate and Leverage Finance Groups of CIBC and prior to joining CIBC in 1997, Mr. Maselli served as a Managing Director in Bear Stearns’ corporate finance group and as a Vice President at Kidder Peabody & Co. Incorporated.  Mr. Maselli served on the board of directors of El Pollo Loco Holdings from 2010 until 2024, and he served as the Company’s Chairman of the Board from 2011 to 2023. From 2013 to 2015, he served on the board of directors of Norcraft Companies, Inc. (NYSE: NCFT) and served on the board of managers of its predecessor company beginning in 2003. Additionally, Mr. Maselli served on the board of directors of ChanceLight, Inc. (f/k/a Educational Services of America, Inc.) and Standard Steel, LLC, and was Chairman of the Board of CB Holding Corp. Mr. Maselli received an MBA with distinction from The A.B. Freeman School at Tulane University and a bachelor’s degree in economics from the University of Colorado.

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