Mr. Sarrazin serves as a director of our company. Mr. Sarrazin has also been a Partner at and President of JMH Conseil, a strategy and development consulting firm, since 2015. Mr. Sarrazin has also been an Affiliate Partner at Lindsay Goldberg, a private equity fund, since 2015. Prior to 2015, Mr. Sarrazin held a number of executive positions with Lafarge SA, a French industrial company, over a period of almost 25 years, most recently serving as Group Vice President of Strategy from 2007 to 2014. Prior to Lafarge, Mr. Sarrazin was employed by Pechiney, an aluminum company, and served as a research fellow at Ecole Polytechnique in Paris. Mr. Sarrazin holds a degree in Mining Engineering from Ecole des Mines, Nancy and a PhD from the University of Texas at Austin.