In our inaugural episode, we give the hosting reins to Erin Stewartson, a Graduate Research Assistant at The Ohio State University and ACI Foundation Fellowship Recipient , and Dr. Charles Nmai, ACI President and Head of Engineering at Master Builder Solutions. The two talk about career advancement, their passion for the concrete industry, gaining valuable experience, and navigating changes in the industry. Show notes Erin Stewartson is an environmental engineering doctoral student at The Ohio State University under the tutelage of Dr. Lisa Burris. In her two years at Ohio State, she has had the honor of cementing her love for supplemental cementitious materials through researching the adsorption properties of coal byproducts with a desire to increase waste material integration into the construction industry. Erin is an NSF GEM Associate Fellow, NSF LSAMP URP Fellow, and an ACI Foundation Fellow who seeks to increase the spacing factor available for racially underrepresented women in STEM by fostering a community where they can express their challenges and successes judgment free.   Charles K. Nmai, FACI, is Head of Engineering at Master Builders Solutions Admixtures US LLC in Cleveland, Ohio, the leading provider of specialty construction chemicals used in the ready mixed, precast, manufactured concrete products, underground construction, and paving markets. He has been with the company since 1987 and is actively involved in technology transfer/standards activities and specification efforts to advance the use of durable and sustainable solutions in the concrete industry worldwide.   Engineering Greatness is produced by Association Briefings.