Board Of Directors

Our Board of Directors have been carefully elected by our shareholders to set strategies, oversee our executive leadership and protect the interests of our shareholders. Our board members ensure that administrative decisions align with our company’s goals in the importance of our future success.

Board Members

Brady Barto

Brady Barto comes from Signal Hill Petroleum where he currently holds the position of Exploration Manager and has been with the company for over eighteen years. Mr. Barto also is a Planning Commissioner for the City of Newport Beach and holds a degree in Business Administration (B.B.A.), Entrepreneurship/Entrepreneurial studies from Chapman University. Brady states, “I believe my expertise in exploration and sustainability will complement the Board’s existing skills and contribute to Purebase’s long-term success.”

Jeffrey Guzy

Mr. Guzy has had key executive positions at several large international companies, including Loral Space, Sprint International, Verizon, and IBM.  He has held program and project start-up responsibilities along with senior business development positions at all these firms. Mr. Guzy has been working with emerging private companies and middle-market public companies to market their products, improve their investor/business relations, help them find capital, and develop corporate governance programs. Mr. Guzy is a private investor and advisor to several hi-tech companies.

John Bremer

John Bremer is a seasoned executive, managing successful businesses for the past 35 years. He is president of US Mine Corp. and remains the current CEO of GroWest, Inc. a holding company with subsidiary companies in heavy equipment rentals and property development. Mr. Bremer designed material input methodologies to reduce emissions from calcining cement, and this interaction and knowledge of the cement industry pioneered the creation of proprietary cement replacement products. Mr. Bremer earned his Bachelor’s degree in Business Administration from Cal Poly Pomona.


Dr. Kimberly Kurtis

Dr. Kurtis’s innovative research on the multi-scale structure and performance of cement-based materials has resulted in more than 200 technical publications, as well as three US patents. Her group is particularly recognized its use of emerging methods and novel approaches to provide new fundamental insights into the behavior of cement pastes, mortars, and concretes necessary for improving their early age behavior and long-term durability. She earned her BSE (1994) in Civil Engineering from Tulane University under a Deans Honor Scholarship and her MS (1995) and PhD (1998) in Civil Engineering from the University of California at Berkeley, where she was a Henry Hilp Fellow and a National Science Foundation (NSF) Fellow. She has held two leadership positions – Chairman of ACI Committee 236: Materials Science of Concrete (2006-2012) and Chair of American Ceramic Society’s Cements Division (2008-2009) – central to advancing science-based research on cement-based materials. Dr. Kurtis has served as Associate Editor of ASCE Journal of Materials in Civil Engineering and on the Editorial Board of Cement and Concrete Composites.