Chemisty & Concrete Quality Control Intern – Urban Mining
Northwestern University, Chemistry, Class of 2028
As a Chemistry major at Northwestern University, Spencer Neckritz began his internship expecting to spend his summer in a lab—but what he found was even more exciting. Though originally brought on as a Chemistry intern, his work with O&G’s Quality Control team opened the door to a whole new side of the industry, blending scientific knowledge with hands-on experience in the field. The shift felt like stepping into a completely different kind of internship—one that broadened his perspective and deepened his appreciation for how chemistry can shape the built environment in surprising ways.
Working closely with mentor Chris Cotulio, Materials Sustainability Specialist Materials Division, and collaborating with Lou Grasso of Urban Mining, Spencer dove into the world of Pozzotive®, a ground-breaking product made from post-consumer recycled glass, developed to reduce the carbon footprint of concrete. “Learning how Pozzotive works and doing the math behind it was really interesting,” he says. “It’s been a great experience getting hands-on with quality control and seeing the science in action.”
One of the biggest takeaways from his internship? Just how much work goes into something as seemingly simple as a sidewalk. “I didn’t know how much went into pouring concrete and making sure it worked right—it’s incredible how much effort and detail go into even one slab.”
Through his time at O&G and exposure to the work at Urban Mining, Spencer says he’s gained a clearer picture of how chemistry can be applied outside of a traditional lab setting. “This internship helped me understand what being a chemist can actually be.”
While he’s not yet sure if construction is in his long-term future, he sees potential in exploring the intersection of chemistry and materials innovation. “Maybe one day I’ll be designing substances for concrete,” he says with a smile.
His advice for future interns? “Ask questions. There’s no better way to learn.”
And when he’s not thinking about chemical compositions or strength testing? Spencer’s likely tending to his aquarium. “I’ve had fish for as long as I can remember,” he says. “It’s just something I’ve always enjoyed.”
