Katrina Lopez, PE, LEED AP. Katrina Lopez, a graduate of University of Illinois Urbana-Champaign and Chicago, joined Ciorba Group in 2022 with 19 years of experience. Katrina is a Mechanical Engineer with experience in a wide array of design and construction projects encompassing civil/mechanical/electrical applications. Her experience includes assisting in the design of roadway/site lighting, wastewater facilities, sanitary lift stations, potable water pump stations, and site irrigation.