Meet The Team
Sean Callan, Chief Science Officer
As CSO, Sean leads day-to-day strategic objectives for Ellipse across testing, data analytics, and innovation. Prior to joining Ellipse Analytics, he was a neuroscience researcher specializing in the intersection of psychology, chemistry, biology, and statistics. When he's not at work, Sean spends his time playing with his two dogs, who he likes more than most people.
Chela Wallin, Senior Scientist & Toxicologist
As Senior Scientist, Chela leads Consumer Insights, Data Analytics, Toxicology, and Research to inform innovation and category market projections. While at Ellipse Analytics, she is also defending her PhD at Wayne State University where she is a neuroscience researcher specializing in developmental psychobiology, pharmacology, and statistics. Outside of work, you can find Chela exploring the mountains with her Doberman and German Shepard--two of our favorite EA office dogs.
Brianna Raymes, Director of Testing, Inspection, & Cerftification
Brianna Raymes is the Director of Testing, Inspection, & Certification. She completed her Master of Public Health with a concentration in Epidemiology and Global Health. Bri is especially passionate about public health, finding unique solutions to fit client needs, and collaborating with the EA team to help make data driven decisions.
When she’s not at the lab, Bri enjoys spending her time outside, skiing, attending concerts, and enjoying the beautiful mountains of Colorado.
Melissa Rosa, Analyst II
Melissa obtained her BA in Chemistry from Indiana University, with minors in Biology and Outdoor Recreation. Melissa has been working in industry since 2014 and brings a wide array of knowledge and experience to the team.
She enjoys hiking, snowshoeing, and snowboarding outside of work.
Steve Schlitzer, Lab Technician II
Steven graduated with a BS in Chemistry from Miami University in 2015 before moving to Oklahoma with his wife Bre. There he completed his Ph. D. in organic chemistry in 2020, with a dissertation titled “Cascade Reactions to Access Bioactive Scaffolds,” before moving to Colorado to forge a career in science.
Amy Kuhn, Senior Chemist
Amy is a Senior Chemist and the Quality Manager for Ellipse Analytics. Prior to Ellipse, Amy was a Chemist for the U.S. Geological Survey's National Water Quality Laboratory, where she worked on a broad range of projects and methods with both the Inorganic and Organic departments. She was recognized for her achievements in high profile projects including Hurricane Katrina, Gold King Mine Spill, Deepwater Horizon Oil Spill, and BPA studies.
Nicole Pike, Senior Chemist
As a senior chemist Nicole manages the daily analysis of multiple projects over multiple analyses and reviews all data to ensure accuracy. Outside of work Nicole can be found hiking with her dog.
Shane Smyth, Flavor Associate
Shane obtained his Bachelor of Science with a focus in food science & product development from the University College of Dublin. Previously, Shane has developed products across a broad array of industries which include alcoholic beverages & fast-food products for multinational corporations. Outside of the lab, Shane can be found exploring the mountains of Colorado.
Tyler Swaim, Lab Technician
Tyler graduated from Colorado State University with his BS in Microbiology. Brewed professionally for 7 years at Grist and Rockyard Brewing Co. before making the switch to the analytical lab world. He enjoys playing sports, video games and spending time with his wife and daughter.